Werner Kloas
Abteilung
Bereich/Position
E-Mail
Telefon
+49 (0)30 64181 630
Fax
+49 (0)30 64181 700
Raum
414
Müggelseedamm 310, 12587 Berlin
Mitarbeiterprofil
Forschungsgruppe
Kompetenzen
Endokrinologie, Physiologie, Ökotoxikologie, Aquakultur
Professur
für Endokrinologie an der Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, Institut für Biologie
Lebenslauf
- seit 08/2010 W3-Professur für Endokrinologie an der Humboldt Universität zu Berlin und Abteilungsleiter der Abteilung Ökophysiologie und Aquakultur Leibniz-Institut für Gewässerökologie und Binnenfischerei
- 2002 W2-Professur für Endokrinologie an der Humboldt Universität zu Berlin
- 1999-2002 Abteilungsleiter der Abteilung Ökophysiologie und Aquakultur am Leibniz-Institut für Gewässerökologie und Binnenfischerei
- 1999 Abteilungsleiter der Abteilung Zoologie an der Fakultät für Bio- und Geowissenschaften der Universität Karlsruhe
- 1996-1999 Associated professor and lecturer im Fach Zoologie an der Fakultät für Bio- und Geowissenschaften der Universität Karlsruhe
- 1992-1996 Assistant professor im Fach Zoologie an der Fakultät für Bio- und Geowissenschaften der Universität Karlsruhe (11/1992 gefördert durch die DFG (Kl 745/2-2))
- 12/1995 Habilitation im Fach Zoologie an der Fakultät für Bio- und Geowissenschaften der Universität Karlsruhe
- 1992-1995 Habilitandenstipendium der DFG (Kl 745/2)
- 1992-1993 Wissenschaftlicher Mitarbeiter am Zoologischen Institut II der Universität Karlsruhe (ab 11/1992 gefördert durch DFG Kl 745/2-2)
- 1991-1992 Postdoctoral fellow, European Institute for Peptide Research, CNRS, INSERM,University of Rouen, Mont-Saint-Aignan, France; Stipendiat der DFG (Kl 745/1-1)
- 1986-1990 Promotion an der Fakultät für Bio- und Geowissenschaften der Universität Karlsruhe; Durchführung der Arbeiten zu ungefähr gleichen Teilen am Zoologischen Institut II der Universität Karlsruhe und der Abtlg. Reproduktionsbiologie des Deutschen Primaten Zentrums Göttingen
- 1986-1991 Wissenschaftlicher Mitarbeiter am Zoologischen Institut II der Universität Karlsruhe (ab 08/1988 gefördert durch DFG Ha78/36)
- 1979-1986 Studium der Biologie und Sport für das höhere Lehramt an Gymnasien, Staatsexamina an der Universität Karlsruhe Thema der Zulassungsarbeit: "Untersuchungen zur Regulation der Nebennierensekretion von Amphibien (Xenopus laevis) durch humorale Faktoren und Metopiron in vitro"
Projekte
IGB-Publikationen
2021
Thora Lieke; Christian E.W. Steinberg; Sandra Bittmann; Sascha Behrens; Seyed H. Hoseinifar; Thomas Meinelt; Klaus Knopf; Werner Kloas
Fulvic acid accelerates hatching and stimulates antioxidative protection and the innate immune response in zebrafish larvae
Science of the Total Environment. - 796(2021), Art. 148780
Heiner Kuhl; Yann Guiguen; Christin Höhne; Eva Kreuz; Kang Du; Christophe Klopp; Céline Lopez-Roques; Elena Santidrian Yebra-Pimentel; Mitica Ciorpac; Jörn Gessner; Daniela Holostenco; Wibke Kleiner; Klaus Kohlmann; Dunja K. Lamatsch; Dmitry Prokopov; Anastasia Bestin; Emmanuel Bonpunt; Bastien Debeuf; Pierrick Haffray; Romain Morvezen; Pierre Patrice; Radu Suciu; Ron Dirks; Sven Wuertz; Werner Kloas; Manfred Schartl; Matthias Stöck
A 180 Myr-old female-specific genome region in sturgeon reveals the oldest known vertebrate sex determining system with undifferentiated sex chromosomes
Philosophical Transactions of the Royal Society of London : Ser. B, Biological Sciences. - 376(2021)1832, 20200089
Alaa G. M. Osman; Mahmoud M. S. Farrag; Ahmed E. A. Badrey; Zohier M. A. Khedr; Werner Kloas
Water quality and health status of the monosex Nile Tilapia, Oreochromis niloticuscultured in aquaponics system (ASTAF-PRO)
Egyptian journal of aquatic biology and fisheries. - 25(2021)2, 785-802
Alex T. Ford; Marlene Ågerstrand; Bryan W. Brooks; Joel Allen; Michael G. Bertram; Tomas Brodin; ZhiChao Dang; Sabine Duquesne; René Sahm; Frauke Hoffmann; Henner Hollert; Stefanie Jacob; Nils Klüver; James M. Lazorchak; Mariana Ledesma; Steven D. Melvin; Silvia Mohr; Stephanie Padilla; Gregory G. Pyle; Stefan Scholz; Minna Saaristo; Els Smit; Jeffery A. Steevens; Sanne van den Berg; Werner Kloas; Bob B.M. Wong; Michael Ziegler; Gerd Maack
The role of behavioral ecotoxicology in environmental protection
Environmental Science and Technology. - 55(2021), 5620-5628
Franziska Kupprat; Werner Kloas; Angela Krüger; Claudia Schmalsch; Franz Hölker
Misbalance of thyroid hormones after two weeks of exposure to artificial light at night in Eurasian perch Perca fluviatilis
Conservation Physiology. - 9(2021)1, coaa124
Thora Lieke; Christian E. W. Steinberg; Bo Pan; Irina V. Perminova; Thomas Meinelt; Klaus Knopf; Werner Kloas
Phenol-rich fulvic acid as a water additive enhances growth, reduces stress, and stimulates the immune system of fish in aquaculture
Scientific Reports. - 11(2021), Art. 174
Nora Baberschke; Fabian Schaefer; Thomas Meinelt; Werner Kloas
Ion-rich potash mining effluents affect sperm motility parameters of European perch, Percafluviatilis, and impair early development of the common roach, Rutilus rutilus
Science of the Total Environment. - 752(2021), Art. 141938
2020
Redaktion: Johannes Graupner; Verantwortliche Autoren: Jörn Gessner; Werner Kloas; Klaus Knopf; Klaus Kohlmann; Thomas Meinelt; Hendrik Monsees; Fabian Schäfer; Georg Staaks
Nachhaltige Aquakultur in Deutschland - Chancen und Herausforderungen: IGB Policy Brief
Gösta Baganz; Daniela Baganz; Werner Kloas; Frank Lohrberg
Urban planning and Corona spaces: scales, walls and COVID-19 coincidences
REAL CORP. - 25(2020)
Gösta Baganz; Gundula Proksch; Werner Kloas; Wolf Lorleberg; Daniela Baganz; Georg Staaks; and Frank Lohrberg
Site resource inventories - a missing link in the circular city´s information flow
Advances in Geosciences. - 54(2020), S. 23-32
Gösta Baganz; Daniela Baganz; Georg Staaks; Hendrik Monsees; Werner Kloas
Profitability of multi-loop aquaponics: year-long production data, economic scenarios and a comprehensive model case
Aquaculture Research. - 51(2020)7, S. 2711-2724
Franziska Kupprat; Franz Hölker; Werner Kloas
Can skyglow reduce nocturnal melatonin concentrations in Eurasian perch?
Environmental Pollution. - 262(2020), art. 114324
Kang Du; Matthias Stöck; Susanne Kneitz; Christophe Klopp; Joost M. Woltering; Mateus Contar Adolfi; Romain Feron; Dmitry Prokopov; Alexey Makunin; Ilya Kichigin; Cornelia Schmidt; Petra Fischer; Heiner Kuhl; Sven Wuertz; Jörn Gessner; Werner Kloas; Cédric Cabau; Carole Iampietro; Hugues Parrinello; Chad Tomlinson; Laurent Journot; John H. Postlethwait; Ingo Braasch; Vladimir Trifonov; Wesley C. Warren; Axel Meyer; Yann Guiguen; Manfred Schartl
The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization
Nature Ecology & Evolution. - 4(2020)6, S. 841-852
Henrik Holbech; Peter Matthiessen; Martin Hansen; Gerrit Schüürmann; Dries Knapen; Marieke Reuver; Frédéric Flamant; Laurent Sachs; Werner Kloas; Klara Hilscherova; Marc Leonard; Jürgen Arning; Volker Strauss; Taisen Iguchi; Lisa Baumann
ERGO: breaking down the wall between human health and environmental testing of endocrine disrupters
International Journal of Molecular Sciences. - 21(2020)8, 2954
Isabelle Weindl; Mario Ost; Petra Wiedmer; Monika Schreiner; Susanne Neugart; Rebecca Klopsch; Holger Kühnhold; Werner Kloas; Ina M. Henkel; Oliver Schlüter; Sara Bußler; Sonoko D. Bellingrath-Kimura; Hua Ma; Tilman Grune; Susanne Rolinski; Susanne Klaus
Sustainable food protein supply reconciling human and ecosystem health: a Leibniz position
Global Food Security. - 25(2020), 100367
2019
J. Suhl; D. Baganz; W. Kloas; D. Dannehl; S. Jobs; G. Scheibe; U. Schmidt
The potential of double recirculating aquaponic systems for intensive tomato production
Acta Horticulturae. - 1242(2019), S. 679-686
Rashad E. M. Said; Hamdy E. Hasieb; Mohsen A. Moustafa; Salah M. E. Soliman; Werner Kloas; Alaa G. M. Osman
Haematological, serological and genotoxic findings in the African catfish Clarias gariepinus after the administration of copper nanoparticles and penconazole
EC Veterinary Science. - 4(2019)10, S. 1-14
Alaa G. M. Osman; Ali G. Gadel-Rab; Fatma A. Mahmoud; Heba S. Hamed; Mohamed M. Elshehaby; Ahmed E. Ali; Werner Kloas
Blood characteristics and tissue histology of Nile tilapia (Oreochromis niloticus niloticus) fed a diet containing cheese skipper (Piophila casei) larvae
Scholarly Journal of Food and Nutrition. - 2(2019)3, S. 219-228
Katja Irob; Marit Wagler; Nora Baberschke; Thomas Meinelt; Werner Kloas
Potash mining effluents induce moderate effects on histopathological and physiological endpoints of adult zebrafish (Danio rerio)
Science of the Total Environment. - 694(2019)133471
Daniela Baganz; Gösta Baganz; Georg Staaks; Werner Kloas
INAPRO, innovative model and demonstration based water management for resource efficiency in integrated multitrophic agriculture and aquaculture systems: collaborative project ; start date of project: 01/01/2014
25 S.
Matthias Stöck; Florian Reisch; Morten Elmeros; Doreen Gabriel; Werner Kloas; Eva Kreuz; Pia Lassen; Alexandra Esther
The potential of VKORC1 polymorphisms in Mustelidae for evolving anticoagulant resistance through selection along the food chain
PLoS One. - 14(2019)8, e0221706
Konrad M. Wanka; Carsten Schulz; Werner Kloas; Sven Wuertz
Administration of host-derived probiotics does not affect utilization of soybean meal enriched diets in juvenile turbot (Scophthalmus maximus)
Journal of Applied Ichthyology. - 35(2019)4, S. 1004-1015
Fabian J. Schaefer; Moritz Tielmann; Julia L. Overton; Angela Krüger; Sven Wuertz; Werner Kloas; Carsten Schulz; Stefan Meyer
Fate or independency: is batch-specific larval performance determined by egg traits?: a case study in farmed pikeperch (Sander lucioperca)
Aquaculture International. - 27(2019)4, S. 957-969
Nora Baberschke; Laura Schulzik; Torsten Preuer; Klaus Knopf; Thomas Meinelt; Werner Kloas
Potash mining effluents and ion imbalances cause transient stress in adult common roach, Rutilus rutilus
Ecotoxicology and Environmental Safety. - 180(2019)S. 733-741
Beata Rozenblut-Koscisty; Maria Ogielska; Juliane Hahn; Denise Kleemann; Ronja Kossakowski; Stephanie Tamschick; Viola Schöning; Angela Krüger; Ilka Lutz; Petros Lymberakis; Werner Kloas; Matthias Stöck
Impacts of the synthetic androgen Trenbolone on gonad differentiation and development: comparisons between three deeply diverged anuran families
Scientific Reports. - 9(2019)art. 9623
Hendrik Monsees; Johanna Suhl; Maurice Paul; Werner Kloas; Dennis Dannehl; Sven Wuertz
Lettuce (Lactuca sativa, variety Salanova) production in decoupled aquaponic systems: same yield and similar quality as in conventional hydroponic systems but drastically reduced greenhouse gas emissions by saving inorganic fertilizer
PLoS One. - 14(2019)6, e0218368
Anderson Abel de Souza Machado; Chung W. Lau; Werner Kloas; Joana Bergmann; Julien B. Bachelier; Erik Faltin; Roland Becker; Anna S. Görlich; Matthias C. Rillig
Microplastics can change soil properties and affect plant performance
Environmental Science and Technology. - 53(2019)10, S. 6044-6052
Johanna Suhl; Berry Oppedijk; Daniela Baganz; Werner Kloas; Uwe Schmidt; Bert van Duijn
Oxygen consumption in recirculating nutrient film technique in aquaponics
Scientia Horticulturae. - 255(2019), S. 281-291
Pavla Sehonova; Andrea Zikova; Jana Blahova; Zdenka Svobodova; Petr Chloupek; Werner Kloas
mRNA expression of antioxidant and biotransformation enzymes in zebrafish (Danio rerio) embryos after exposure to the tricyclic antidepressant amitriptyline
Chemosphere. - 217(2019), S. 516-521
Anderson Abel de Souza Machado; Chris M. Wood; Werner Kloas
Novel concepts for novel entities: updating ecotoxicology for a sustainable anthropocene
Environmental Science and Technology. - 53(2019)9, S. 4680-4682
Kang Du; Sven Wuertz; Mateus Adolfi; Susanne Kneitz; Matthias Stöck; Marcos Oliveira; Rafael Nobrega; Jenny Ormanns; Werner Kloas; Romain Feron; Christophe Klopp; Hugues Parrinello; Laurent Journot; Shunping He; John Postlethwait; Axel Meyer; Yann Guiguen; Manfred Schartl
The genome of the arapaima (Arapaima gigas) provides insights into gigantism, fast growth and chromosomal sex determination system
Scientific Reports. - 9(2019)art. 5293
Nora Baberschke; Katja Irob; Torsten Preuer; Thomas Meinelt; Werner Kloas
Potash mining effluents and ion imbalances cause transient osmoregulatory stress, affect gill integrity and elevate chronically plasma sulfate levels in adult common roach, Rutilus rutilus
Environmental Pollution. - 249(2019), S. 181-190
2018
J. Suhl; D. Dannehl; L. Zechmeister; D. Baganz; W. Kloas; B. Lehmann; G. Scheibe; U. Schmidt
Prospects and challenges of double recirculating aquaponic systems (DRAPS) for intensive plant production
Acta Horticulturae. - 1227(2018), S. 449-456
Anderson Abel de Souza Machado; Chung Wai Lau; Jennifer Till; Werner Kloas; Anika Lehmann; Roland Becker; Matthias C. Rillig
Impacts of microplastics on the soil biophysical environment
Environmental Science and Technology. - 52(2018)17, S. 9656-9665
B. A. Rumpold; H. Speckmann; O. Schlüter; W. Kloas; A. Prochnow
Potentials of a biogenic residue-based production of Hermetia illucens as fish meal replacement in aquafeed for Oncorhynchus mykiss in Germany
Journal of Insects as Food and Feed. - 4(2018)1, S. 5-17
Daniel Reyes Lastiri; Caspar Geelen; Hans J. Cappon; Huub H. M. Rijnaarts; Daniela Baganz; Werner Kloas; Divas Karimanzira; Karel J. Keesman
Model-based management strategy for resource efficient design and operation of an aquaponic system
Aquacultural Engineering. - 83(2018), S. 27-39
Johanna Suhl; Dennis Dannehl; Daniela Baganz; Uwe Schmidt; Werner Kloas
An innovative suction filter device reduces nitrogen loss in double recirculating aquaponic systems
Aquacultural Engineering. - 82(2018), S. 63-72
F. J. Schaefer; J. L. Overton; A. Krüger; W. Kloas; S. Wuertz
Influence of batch-specific biochemical egg characteristics on embryogenesis and hatching success in farmed pikeperch
Animal. - 12(2018)11, S. 2327-2334
K. Knopf; K. Buschmann; M. Hansel; J. Radinger; W. Kloas
Flash photography does not induce stress in the Ram cichlid Mikrogeophagus ramirezi (Myers &Harry, 1948) in aquaria
Journal of Applied Ichthyology. - 34(2018)4, S. 922-928
F. J. Schaefer; J. L. Overton; W. Kloas; S. Wuertz
Length rather than year-round spawning, affects reproductive performance of RAS-reared F-generation pikeperch, Sander lucioperca (Linnaeus, 1758): insights from practice
Journal of Applied Ichthyology. - 34(2018)3, S. 617-621
Anika Brüning; Werner Kloas; Torsten Preuer; Franz Hölker
Influence of artificially induced light pollution on the hormone system of two common fish species, perch and roach, in a rural habitat
Conservation Physiology. - 6(2018)1, 016
Anderson Abel de Souza Machado; Werner Kloas; Christiane Zarfl; Stefan Hempel; Matthias C. Rillig
Microplastics as an emerging threat to terrestrial ecosystems
Global Change Biology. - 24(2018)4, S. 1405-1416
Alaa G. M. Osman; Khaled Y. AbouelFadl; Abd El Baset M. Abd El Reheem; Usama M. Mahmoud; Werner Kloas; Mohsen A. Moustafa
Blood biomarkers in Nile tilapia Oreochromis niloticus niloticus and African catfish Clarias gariepinus to evaluate water quality of the river Nile
Journal of Fisheries Sciences. - 12(2018)1, S. 1-15
Anika Brüning; Franz Hölker; Steffen Franke; Wibke Kleiner; Werner Kloas
Influence of light intensity and spectral composition of artificial light at night on melatonin rhythm and mRNA expression of gonadotropins in roach Rutilus rutilus
Fish Physiology and Biochemistry. - 44(2018)1, S. 1-12
Saskia Rehse; Werner Kloas; Christiane Zarfl
Microplastics reduce short-term effects of environmental contaminants: Part I: Effects of bisphenol A on freshwater zooplankton are lower in presence of polyamide particles
International Journal of Environmental Research and Public Health. - 15(2018)2, 280
2017
Divas Karimanzira; Karel Keesman; Werner Kloas; Daniela Baganz; Thomas Rauschenbach
Efficient and economical way of operating a recirculation aquaculture system in an aquaponics farm
Aquaculture Economics & Management. - 21(2017)4, S. 470-486
Martin Tschirner; Werner Kloas
Increasing the sustainability of aquaculture systems
Gaia. - 26(2017)4, S. 297-368
Markus Venohr; Jörg Lewandowski; Werner Kloas; Hans-Peter Grossart; Mark O. Gessner; Christian Wolter; Jörn Geßner; Sven Wuertz
Schutz und Nutzung von Binnengewässern in Deutschland - Status Quo, Konflikte und politische Handlungsoptionen
IGB Policy Brief zur Bundestagswahl 2017
C. Cobo Labarca; J. Radinger; V. Schöning; R. Ariav; R. Jung; K. D. Thompson; W. Kloas; K. Knopf
Application of low-frequency sonophoresis and reduction of antibiotics in the aquatic systems
Journal of Fish Diseases. - 40(2017)11, S. 1635-1643
Hendrik Monsees; Werner Kloas; Sven Wuertz
Decoupled systems on trial: eliminating bottlenecks to improve aquaponic processes
PLoS One. - 12(2017)9, e0183056
B. Hermelink; W. Kleiner; C. Schulz; W. Kloas; S. Wuertz
Photo-thermal manipulation for the reproductive management of pikeperch Sander lucioperca
Aquaculture International. - 25(2017)1, S. 1-20
Hendrik Monsees; Laura Klatt; Werner Kloas; Sven Wuertz
Chronic exposure to nitrate significantly reduces growth and affects the health status of juvenile Nile tilapia (Oreochromis niloticus L.) in recirculating aquaculture systems
Aquaculture Research. - 48(2017)7, S. 3482-3492
Frauke Hoffmann; Werner Kloas
Eignung des Rufverhaltens des Krallenfroschs als Endpunkt für die Erfassung der Effekte hormonell wirkender Stoffe auf aquatische Ökosysteme
Bericht im Auftrag des Bundesumweltamtes
Andrea Zikova; Claudia Lorenz; Frauke Hoffmann; Wibke Kleiner; Ilka Lutz; Matthias Stöck; Werner Kloas
Endocrine disruption by environmental gestagens in amphibians: a short review supported by new in vitro data using gonads of Xenopus laevis
Chemosphere. - 181(2017), S. 74-82
Frederike Gröner; Christin Höhne; Wibke Kleiner; Werner Kloas
Chronic exposure to the ß-blocker metoprolol reduces growth and alters gene expression of gonadotropins and vitellogenin in Nile tilapia (Oreochromis niloticus)
Ecotoxicology and Environmental Safety. - 141(2017), S. 271-279
Peter Matthiessen; Gerald T. Ankley; Ronald C. Biever; Poul Bjerregaard; Christopher Borgert; Kristin Brugger; Amy Blankinship; Janice Chambers; Katherine K. Coady; Lisa Constantine; Zhichao Dang; Nancy D. Denslow; David A. Dreier; Steve Dungrey; L. Earl Gray; Melanie Gross; Patrick D. Guiney; Markus Hecker; Henrik Holbech; Taisen Iguchi; Sarah Kadlec; Natalie K. Karouna-Renier; Ioanna Katsiadaki; ... Werner Kloas ... Kunihiko Yamazaki
Recommended approaches to the scientific evaluation of ecotoxicological hazards and risks of endocrine-active substances
Integrated Environmental Assessment and Management. - 13(2017)2, S. 267-279
Mary S. Marty; Amy Blankinship; Janice Chambers; Lisa Constantine; Werner Kloas; Anupama Kumar; Laurent Lagadic; James Meador; Daniel Pickford; Tamar Schwarz; Tim Verslycke
Population-relevant endpoints in the evaluation of endocrine-active substances (EAS) for ecotoxicological hazard and risk assessment
Integrated Environmental Assessment and Management. - 13(2017)2, S. 317-330
Dibo Liu; Lars-Flemming Pedersen; David L. Straus; Werner Kloas; Thomas Meinelt
Alternative prophylaxis/disinfection in aquaculture: adaptable stress induced by peracetic acid at low concentration and its application strategy in RAS
Aquaculture. - 474(2017), S. 82-85
Anderson Abel de Souza Machado; Christiane Zarfl; Saskia Rehse; Werner Kloas
Low-dose effects: nonmonotonic responses for the toxicity of a Bacillus thuringiensis biocide to Daphnia magna
Environmental Science and Technology. - 51(2017)3, S. 1679-1686
Norah Johanna Efosa; Wibke Kleiner; Werner Kloas; Frauke Hoffmann
Diclofenac can exhibit estrogenic modes of action in male Xenopus laevis, and affects the hypothalamus-pituitary-gonad axis and mating vocalizations
Chemosphere. - 173(2017), S. 69-77
Hendrik Monsees; Jonas Keitel; Maurice Paul; Werner Kloas; Sven Wuertz
Potential of aquacultural sludge treatment for aquaponics: evaluation of nutrient mobilization under aerobic and anaerobic conditions
Aquaculture Environment Interactions. - 9(2017), S. 9-18
Frederike Gröner; Christin Höhne; Wibke Kleiner; Werner Kloas
Chronic diclofenac exposure affects gill integrity and pituitary gene expression and displays estrogenic activity in Nile tilapia (Oreochromis niloticus)
Chemosphere. - 166(2017), S. 473-481
2016
Divas Karimanzira; Karel J. Keesman; Werner Kloas; Daniela Baganz; Thomas Rauschenbach
Dynamic modeling of the INAPRO aquaponic system
Aquacultural Engineering. - 75(2016), S. 29-45
Johanna Suhl; Dennis Dannehl; Werner Kloas; Daniela Baganz; Sebastian Jobs; Günther Scheibe; Uwe Schmidt
Advanced aquaponics
Agricultural Water Management. - 178(2016), S. 335-344
F. J. Schaefer; J. L. Overton; J. Bossuyt; D. Zarski; W. Kloas; S. Wuertz
Management of pikeperch Sander lucioperca (Linnaeus, 1758) sperm quality after stripping
Journal of Applied Ichthyology. - 32(2016)6, S. 1099-1106
Frauke Hoffmann; Werner Kloas
p,p'-Dichlordiphenyldichloroethylene (p,p'-DDE) can elicit antiandrogenic and estrogenic modes of action in the amphibian Xenopus laevis
Physiology & Behavior. - 167(2016), S. 172-178
Claudia Lorenz; Robert Opitz; Achim Trubiroha; Ilka Lutz; Andrea Zikova; Werner Kloas
The synthetic gestagen levonorgestrel directly affects gene expression in thyroid and pituitary glands of Xenopus laevis tadpoles
Aquatic Toxicology. - 177(2016), S. 63-73
Stephanie Tamschick; Beata Rozenblut-Koscisty; Maria Ogielska; Andreas Lehmann; Petros Lymberakis; Frauke Hoffmann; Ilka Lutz; Rudolf J. Schneider; Werner Kloas; Matthias Stöck
Impaired gonadal and somatic development corroborate vulnerability differences to the synthetic estrogen ethinylestradiol among deeply diverged anuran lineages
Aquatic Toxicology. - 177(2016), S. 503-514
Stephanie Tamschick; Beata Rozenblut-Koscisty; Maria Ogielska; David Kekenj; Franz Gajewski : Angela Krüger; Werner Kloas; Matthias Stöck
The plasticizer bisphenol A affects somatic and sexual development, but differently in pipid, hylid and bufonid anurans
Environmental Pollution. - 216(2016), S. 282-291
Jörn F. Gerchen; Samuel J. Reichert; Johannes T. Röhr; Christoph Dietrich; Werner Kloas; Matthias Stöck
A single transcriptome of a green toad (Bufo viridis) yields candidate genes for sex determination and -differentiation and non-anonymous population genetic markers
PLoS One. - 11(2016)5, e0156419
Saskia Rehse; Werner Kloas; Christian Zarfl
Short-term exposure with high concentrations of pristine microplastic particles leads to immobilisation of Daphnia magna
Chemosphere. - 153(2016), S. 91-99
Stephanie Tamschick; Beata Rozenblut-Koscisty; Maria Ogielska; Andreas Lehmann; Petros Lymberakis; Frauke Hoffmann; Ilka Lutz; Werner Kloas; Matthias Stöck
Sex reversal assessments reveal different vulnerability to endocrine disruption between deeply diverged anuran lineages
Scientific Reports. - 6(2016) art.23825
Amir Abbas Bazyar Lakeh; Hamid Farahmand; Werner Kloas; Alireza Mirvaghefi; Achim Trubiroha; Brian C. Peterson; Sven Wuertz
Growth enhancement of rainbow trout (Oncorhynchus mykiss) by passive immunization against somatostatin-14
Aquaculture International. - 24(2016)1, S. 11-21
Anika Brüning; Franz Hölker; Steffen Franke; Wibke Kleiner; Werner Kloas
Impact of different colours of artificial light at night on melatonin rhythm and gene expression of gonadotropins in European perch
Science of the Total Environment. - 543(2016), S. 214-222
2015
Werner Kloas; Roman Groß; Daniela Baganz; Johannes Graupner; Hendrik Monsees; Uwe Schmidt; Georg Staaks; Johanna Suhl; Martin Tschirner; Bernd Wittstock; Sven Wuertz; Andrea Zikova; Bernhard Rennert
A new concept for aquaponic systems to improve sustainability, increase productivity, and reduce environmental impacts
Aquaculture Environment Interactions. - 7(2015)2, S. 179-192
Anderson Abel de Souza Machado; Kate Spencer; Werner Kloas; Marco Toffolon; Christiane Zarfl
Metal fate and effects in estuaries
Science of the Total Environment. - 541(2015), S. 268-281
V. Stancova; A. Zikova; Z. Svobodova; W. Kloas
Effects of non-steroidal anti-inflammatory drug (NSAID) naproxen on gene expression of antioxidant enzymes in zebrafish (Danio rerio)
Environmental Toxicology and Pharmacology. - 40(2015)2, S. 343-348
E. Sisperova; H. Modra; A. Zikova; W. Kloas; J. Blahova; I. Matejova; D. Zivna; Z. Svobodova
The effect of mycotoxin deoxynivalenol (DON) on the oxidative stress markers in rainbow trout (Oncorhynchus mykiss, Walbaum 1792)
Journal of Applied Ichthyology. - 31(2015)5, S. 855-861
Alaa G. M. Osman; Khaled Y. AbouelFadl; Angela Krüger; Werner Kloas
Screening of multiple hormonal activities in water and sediment from the river Nile, Egypt, using in vitro bioassay and gonadal histology
Environmental Monitoring and Assessment. - 187(2015)art. 317
Josefin Garmshausen; Werner Kloas; Frauke Hoffmann
17α-ethinylestradiol can disrupt hemoglobin catabolism in amphibians
Comparative Biochemistry and Physiology C. - 171(2015), S. 34-40
Stephanie Tamschick; Beata Rozenblut-Koscisty; Lucio Bonato; Christiphe Dufresnes; Petros Lymberakis; Werner Kloas; Maria Ogielska; Matthias Stöck
Sex chromosome conservation, DMRT1 phylogeny and gonad morphology in diploid palearctic green toads (Bufo viridis subgroup)
Cytogenetic and Genome Research. - 144(2014)4, S. 315-324
Frederike Gröner; Andrea Zikova; Ilka Lutz; Werner Kloas
Effects of the pharmaceuticals diclofenac and metoprolol on gene expression levels of enzymes of biotransformation, excretion pathways and estrogenicity in primary hepatocytes of Nile tilapia (Oreochromis niloticus)
Comparative Biochemistry and Physiology C. - 167(2015), S. 51-58
Cristobal Cobo Labarca; Mary Makhutu; Alexander E. Lumsdon; Kim D. Thompson; Rainer Jung; Werner Kloas; Klaus Knopf
The adjuvant effect of low frequency ultrasound when applied with an inactivated Aeromonas salmonicida vaccine to rainbow trout (Oncorhynchus mykiss)
Vaccine. - 33(2015)11, S. 1369-1374
Anika Brüning; Franz Hölker; Steffen Franke; Torsten Preuer; Werner Kloas
Spotlight on fish
Science of the Total Environment. - 511(2015), S. 516-522
2014
Glen J. van der Kraak; Alan J. Hosmer; Mark L. Hanson; Werner Kloas; Keith R. Solomon
Effects of atrazine in fish, amphibians, and reptiles
Critical Reviews in Toxicology. - 44(2014)S5, S. 1-66
H. K. Kroupova; A. Trubiroha; C. Lorenz; V. Contardo-Jara; I. Lutz; R. Grabic; M. Kocour; W. Kloas
The progestin levonorgestrel disrupts gonadotropin expression and sex steroid levels in pubertal roach (Rutilus rutilus)
Aquatic Toxicology. - 154(2014), S. 154-162
Constanze Pietsch; Christian Michel; Susanne Kersten; Hana Valenta; Sven Dänicke; Carsten Schulz; Werner Kloas; Patricia Burkhardt-Holm
In vivo effects of deoxynivalenol (DON) on innate immune responses of carp (Cyprinus carpio L.)
Food and Chemical Toxicology. - 68(2014), S. 44-52
Constanze Pietsch; Carsten Schulz; Pere Rovira; Werner Kloas; Patricia Burkhardt-Holm
Organ damage and hepatic lipid accumulation in carp (Cyprinus carpio L.) after feed-borne exposure to the mycotoxin, Deoxynivalenol (DON)
Toxins. - 6(2014)2, S. 756-778
Ralph Urbatzka; Claudia Lorenz; Caterina Wiedemann; Ilka Lutz; Werner Kloas
Steroid exposure during larval development of Xenopus laevis affects RNA expression of the reproductive pituitary-gonodal axis in a sex- and stage-dependent manner
Comparative Biochemistry and Physiology C. - 160(2014), S. 1-8
2013
Steffen Franke; Anika Brüning; Franz Hölker; Werner Kloas
Study of biological action of light on fish
Journal of Light and Visual Environment. - 37(2013)4, S. 194-204
Amir Abbas Bazyar Lakeh; Rainer Jung; Ra'anan Ariav; Werner Kloas; Thomas Meinelt; Klaus Knopf
Niederfrequenter Ultraschall und UV-C zur Abtötung von Parasiten und zur Keimreduktion in Kreislaufanlagen
Fischkrankheiten im Spannungsfeld Wirt-Erreger-Umwelt / EAFP. - Hannover. - S. 123-129
Valeska Contardo-Jara; Stephan Pflugmacher; Gunnar Nützmann; Werner Kloas; Claudia Wiegand
Influence of the cestode Ligula intestinalis and the acanthocephalan Polymorphus minutus on levels of heat shok proteins (HSP70) and metallothioneins in their fish and crustacean intermediate hosts
Environmental Pollution. - 180(2013), S. 173-179
B. Hermelink; S. Wuertz; B. Rennert; W. Kloas; C. Schulz
Temperature control of pikeperch (Sander lucioperca) maturation in recirculating aquaculture systems - induction of puberty and course of gametogenesis
Aquaculture. - 400-401(2013), S. 36-45
Amir Abbas Bazyar Lakeh; Werner Kloas; Rainer Jung; Ra'anan Ariav; Klaus Knopf
Low frequency ultrasound and UV-C for elimination of pathogens in recirculating aquaculture systems
Ultrasonics Sonochemistry. - 20(2013)5, S. 1211-1216
Andrea Ziková; Claudia Lorenz; Ilka Lutz; Stephan Pflugmacher; Werner Kloas
Physiological responses of Xenopus laevis tadpoles exposed to cyanobacterial biomass containing microcystin-LR
Aquatic Toxicology. - 128-129(2013), S. 25-33
2012
Werner Kloas
Fisch als Nahrungsmittel der Zukunft
Mensch, Fisch! : Katalog zur Sonderausstellung des Landesmuseums Natur und Mensch Oldenburg vom 10. November 2012 bis zum 07. April 2013. - Oldenburg, 2012. - S. 93-98
Fabian Schäfer; Werner Kloas; Sven Wuertz
Arapaima: candidate for intensive freshwater culture
Global Aquaculture Advocate. - 15(2012)6, S. 50-51
Sven Wuertz; Björn Hermelink; Werner Kloas; Carsten Schulz
Pike perch in recirculation aquaculture: temperature controls gonad maturation, growth performance
Global Aquaculture Advocate. - 15(2012)4, S. 46-47
Frauke Hoffmann; Werner Kloas
The antiestrogens tamoxifen and fulvestrant abolish estrogenic impacts of 17a-ethinylestradiol on male calling behavior of Xenopus laevis
PLoS One. - 7(2012)9, e44715
Alaa G. M. Osman; Khaled Y. Abuel-Fadl; Werner Kloas
In situ evaluation of the genotoxic potential of the river Nile
Mutation Research - Genetic Toxicology and Environmental Mutagenesis. - 747(2012)1, S. 14-21
Achim Trubiroha; Hana Kroupova; Sven Wuertz; Werner Kloas
Up-regulation of gonadotropin mRNA-expression at the onset of gametogenesis in the roach (Rutilus rutilus): evidence for an important role of brain-type aromatase (cyp 19a1b) in the pituitary
General and Comparative Endocrinology. - 178(2012)3, S. 529-538
H. Kroupova; A. Trubiroha; S. Wuertz; S. N. Frank; B. Sures; W. Kloas
Nutritional status and gene expression along the somatotropic axis in roach (Rutilus rutilus) infected with the tapeworm Ligula intestinalis
General and Comparative Endocrinology. - 177(2012)2, S. 270-277
Frauke Hoffmann; Werner Kloas
The synthetic progestogen, Levonorgestrel, but not natural progesterone, affects male mate calling behavior of Xenopus laevis
General and Comparative Endocrinology. - 176(2012)3, S. 385-390
Frauke Hoffmann; Werner Kloas
Effects of environmentally relevant concentrations of the xeno-androgen, methyldihydrotestosterone, on male and female mating behavior in Xenopus laevis
Chemosphere. - 87(2012)11, S. 1246-1253
Frauke Hoffmann; Werner Kloas
Estrogens can disrupt amphibian mating behavior
PLoS One. - 7(2012)2, e32097
2011
B. Rennert; R. Groß; C. van Ballegooy; W. Kloas
Ein Aquaponiksystem zur kombinierten Tilapia- und Tomatenproduktion
Fischer und Teichwirt. - 62(2011)6, S. 209-214
Alaa G. M. Osman; Abd-El-Baset M. Abd El Reheem; Mohsen A. Moustafa; Usama M. Mahmoud; Khaled Y. Abuel-Fadl; Werner Kloas
In situ evaluation of the genotoxic potential of the river Nile
Toxicological and environmental chemistry. - 93(2011)5, S. 1002-1017
C. Pietsch; N. Neumann; T. Preuer; W. Kloas
In vivo treatment with progestogens causes immunosuppression of carp Cyprinus carpio leucocytes by affecting nitric ocide production and arginase activity
Journal of fish biology. - 79(2011)1, S. 53-69
S. Reiser; S. Wuertz; J. P. Schroeder; W. Kloas; R. Hanel
Risks of seawater ozonation in recirculation aquaculture: effects of oxidative stress on animal welfare of juvenile turbot (Psetta maxima, L.)
Aquatic toxicology. - 105(2011)3-4, S. 508-517
I. Meric; S. Wuertz; W. Kloas; G. Wibbelt; C. Schulz
Cottonseed oilcake as a protein source in feeds for juvenile tilapia (Oreochromis niloticus)
The Israeli journal of aquaculture - Bamidgeh. - 63(2011)588
Claudia Lorenz; Valeska Contardo-Jara; Achim Trubiroha; Angela Krüger; Viola Viehmann; Claudia Wiegand; Stephan Pflugmacher; Gunnar Nützmann; Ilka Lutz; Werner Kloas
The synthetic gestagen levonorgestrel disrupts sexual development in Xenopus laevis by affecting gene expression of pituitary gonadotropins and gonadal steroidogenic enzymes
Toxicological sciences. - 124(2011)2, S. 311-319
Claudia Lorenz; Valeska Contardo-Jara; Stephan Pflugmacher; Claudia Wiegand; Gunnar Nützmann; Ilka Lutz; Werner Kloas
The synthetic gestagen levonorgestrel impairs metamorphosis in Xenopus laevis by disruption of the thyroid system
Toxicological sciences. - 123(2011)1, S. 94-102
Valeska Contardo-Jara; Claudia Lorenz; Stephan Pflugmacher; Gunnar Nützmann; Werner Kloas; Claudia Wiegand
Exposure to human pharmaceuticals Carbamazepine, Ibuprofen and Bezafibrate causes molecular effects in Dreissena polymorpha
Aquatic toxicology. - 105(2011)3-4, S. 428-437
Sabrina Nadine Frank; Steffen Faust; Martin Kalbe; Achim Trubiroha; Werner Kloas; Bernd Sures
Fish hepatic glutathione-S-transferase activity is affected by the cestode parasites Schistocephalus solidus and Ligula intestinalis
Parasitology. - 138(2011)7, S. 939-944
Hana Kroupova; Achim Trubiroha; Sven Wuertz; Werner Kloas
Stage-dependent differences in RNA composition and content affect the outcome of expression profiling in roach (Rutilus rutilus) ovary
Comparative biochemistry and physiology A. - 159(2011)2, S. 141-149
Amir Abbas Bazyar Lakeh; Hamid Farahmand; Alireza Mirvaghefi; Werner Kloas; Brian C. Peterson; Sven Wuertz
GH and IGF-1 induction by passive immunisation of rainbow trout Oncorhynchus mykiss (Walbaum) using a somatostatin-14 antibody
Aquaculture. - 316(2011)1-4, S. 99-103
B. Hermelink; S. Wuertz; A. Trubiroha; B. Rennert; W. Kloas; C. Schulz
Influence of temperature on puberty and maturation of pikeperch, Sander lucioperca
General and comparative endocrinology. - 172(2011)2, S. 282-292
Achim Trubiroha; Hana Kroupova; Sabrina N. Frank; Bernd Sures; Werner Kloas
Inhibition of gametogenesis by the cestode Ligula intestinalis in roach (Rutilus rutilus) is attenuated under laboratory conditions
Parasitology. - 138(2011)5, S. 648-659
Valeska Contardo-Jara; Claudia Lorenz; Stephan Pflugmacher; Gunnar Nützmann; Werner Kloas; Claudia Wiegand
Molecular effects and bioaccumulation of levonorgestrel in the non-target organism Dreissena polymorpha
Environmental pollution. - 159(2011)1, S. 38-44
2010
Werner Kloas; Ilka Lutz
The hypothalamic-pituitary-gonadal axis in anuran amphibians
Endocrine toxicology. - 2010, S. 352-364
Alaa G. M. Osman; Werner Kloas
Water quality and heavy metal monitoring in water, sediemnts, and tissues of the African catfish Clarias gariepinus (Burchell, 1822) from the River Nile, Egypt
Journal of environmental protection. - 1(2010)4, S. 389-400
Franz Hölker; Timothy Moss; Barbara Griefahn; Werner Kloas; Christian C. Voigt; Dietrich Henckel; Andreas Hänel; Peter M. Kappeler; Stephan Völker; Axel Schwope; Steffen Franke; Dirk Uhrlandt; Jürgen Fischer; Reinhard Klenke; Christian Wolter; Klement Tockner
The dark side of light
Ecology and society. - 15(2010)4, art. 13
Ilka Lutz; Werner Kloas; Sakae Kikuyama
Sixth International Symposium on Amphibian and Reptilian Endocrinology and Neurobiology ISAREN 2009
General and comparative endocrinology. - 168(2010)2, S. 169-170
Valeska Contardo-Jara; Stephan Pflugmacher; Gunnar Nützmann; Werner Kloas; Claudia Wiegand
The ß-receptor blocker metoprolol alters detoxification processes in the non-target organism Dreissena polymorpha
Environmental pollution. - 159(2010)6, S. 2059-2066
Björn Hermelink; Ralph Urbatzka; Claudia Wiegand; Stephan Pflugmacher; Ilka Lutz; Werner Kloas
Aqueous leaf extracts display endocrine activities in vitro and disrupt sexual differentiation of male Xenopus laevis tadpoles in vivo
General and comparative endocrinology. - 168(2010)2, S. 245-255
A. Massari; R. Urbatzka; A. Cevasco; L. Canesi; C. Lanza; L. Scarabelli; W. Kloas; A. Mandich
Aromatase mRNA expression in the brain of adult Xenopus laevis exposed to Lambro river water and endocrine disrupting compounds
General and comparative endocrinology. - 168(2010)2, S. 262-268
R. Opitz; W. Kloas
Developmental regulation of gene expression in the thyroid gland of Xenopus laevis tadpoles
General and comparative endocrinology. - 168(2010)2, S. 199-208
Frauke Hoffmann; Werner Kloas
An environmentally relevant endocrine-disrupting antiandrogen, vinclozolin, affects calling behavior of male Xenopus laevis
Hormones and behavior. - 58(2010)4, S. 653-659
S. Reiser; J. P. Schroeder; S. Wuertz; W. Kloas; R. Hanel
Histological and physiological alterations in juvenile turbot (Psetta maxima, L.) exposed to sublethal concentrations of ozone-produced oxidants in ozonated seawater
Aquaculture. - 307(2010)1-2, S. 157-164
Jeffrey C. Wolf; Ilka Lutz; Werner Kloas; Timothy A. Springer; Larry R. Holden; Henry O. Krueger; Alan J. Hosmer
Effects of 17 ß-estradiol exposure on Xenopus laevis gonadal histopathology
Environmental toxicology and chemistry. - 29(2010)5, S. 1091-1105
Thomas Behrends; Ralph Urbatzka; Sven Krackow; Andreas Elepfandt; Werner Kloas
Mate calling behavior of male South African clawed frogs (Xenopus laevis) is suppressed by the antiandrogenic endocrine disrupting compound flutamide
General and comparative endocrinology. - 168(2010)2, S. 269-274
Andrea Ziková; Achim Trubiroha; Claudia Wiegand; Sven Wuertz; Bernhard Rennert; Stephan Pflugmacher; Radovan Kopp; Jan Mares; Petr Spurný; Werner Kloas
Impact of microcystin containing diets on physiological performance of Nile tilapia (Oreochromis niloticus) concerning detoxification
Journal of environmental monitoring. - 12(2010)12, S. 2276-2281
Achim Trubiroha; Hana Kroupova; Sven Wuertz; Sabrina N. Frank; Bernd Sures; Werner Kloas
Naturally-induced endocrine disruption by the parasite Ligula intestinalis (Cestoda) in roach (Rutilus rutilus)
General and comparative endocrinology. - 166(2010)2, S. 234-240
R. Urbatzka; C. Lorenz; I. Lutz; W. Kloas
Expression profiles of LHß, FSHß and their gonadal receptor mRNAs during sexual differentiation of Xenopus laevis tadpoles
General and comparative endocrinology. - 168(2010)2, S. 239-244
Andrea Ziková; Achim Trubiroha; Claudia Wiegand; Sven Wuertz; Bernhard Rennert; Stephan Pflugmacher; Radovan Kopp; Jan Mares; Werner Kloas
Impact of microcystin containing diets on physiological performance of Nile tilapia (Oreochromis niloticus) concerning stress and growth
Environmental toxicology and chemistry. - 29(2010)3, S. 561-568
2009
K. Knopf; N. Neumann; C. Pietsch; W. Kloas; H. Kürzinger; B. B. ter Höfte; G. Großheider
Suche nach einem alternativem Fischmodell für Wirksamkeitsuntersuchungen immunstimulierender Futteradditive
Der Weg zum gesunden Fisch / Dirk Willem Kleingeld u. Dieter Steinhagen (Hrsg.). - Hannover, 2009. - S. 219-226
Achim Trubiroha; Sabrina N. Frank; Sven Würtz; Bernd Sures; Werner Kloas
Endocrine disrupting effects in fish induced by prasites
Integrated environmental assessment and management. - 5(2009)2, S. 354-355
Werner Kloas; Ilka Lutz; Timothy Springer; Henry Krueger; Jeff Wolf; Larry Holden; Alan Hosmer
Does atrazine influence larval development and sexual differentiation in Xenopus laevis?
Toxicological sciences. - 107(2009)2, S. 376-384
Frances Orton; Ilka Lutz; Werner Kloas; Edwin J. Routledge
Endocrine disrupting effects of herbicides and pentachlorophenol
Environmental science and technology. - 43(2009)6, S. 2144-2150
Constanze Pietsch; Nadja Neumann; Klaus Knopf; Sven Wuertz; Werner Kloas
Progestogens cause immunosuppression of stimulated carp (Cyprinus carpio L.) leukocytes in vitro
Comparative biochemistry and physiology C. - 150(2009)1, S. 16-24
R. Opitz; F. Schmidt; T. Braunbeck; S. Wuertz; W. Kloas
Perchlorate and ethylenethiourea induce different histological and molecular alterations in a non-mammalian vertebrate model of thyroid goitrogenesis
Molecular end cellular endocrinology. - 298(2009)1-2, S. 101-114
Werner Kloas; Ralph Urbatzka; Robert Opitz; Sven Würtz; Thomas Behrends; Björn Hermelink; Frauke Hofmann; Oana Jagnytsch; Hana Kroupova; Claudia Lorenz; Nadja Neumann; Constanze Pietsch; Achim Trubiroha; Christoph van Ballegooy; Caterina Wiedemann; Ilka Lutz
Endocrine disruption in aquatic vertebrates
Annals of the New York Academy of Sciences. - 1163(2009), S. 187-200
R. Urbatzka; B. Watermann; I. Lutz; W. Kloas
Exposure of Xenopus laevis tadpoles to finasteride, an inhibitor of 5-a reductase activity, impairs spermatogenesis and alters hypophyseal feedback mechanisms
Journal of molecular endocrinology. - 43(2009)5, S. 209-219
Achim Trubiroha; Sven Wuertz; Sabrina N. Frank; Bernd Sures; Werner Kloas
Expression of gonadotropin subunits in roach (Rutilus rutilus, Cyprinidae) infected with plerocercoids of the tapeworm Ligula intestinalis (Cestoda)
International journal for parasitology. - 39(2009)13, S. 1465-1473
Jörg Oehlmann; Ulrike Schulte-Oehlmann; Werner Kloas; Oana Jagnytsch; Ilka Lutz; Kresten O. Kusk; Leah Wollenberger; Eduarda M. Santos; Gregory C. Paull; Katrien J. W. van Look; Charles R. Tyler
A critical analysis of the biological impacts of plasticizers on wildlife
Philosophical transactions of the Royal Society of London : ser. B, Biological sciences. - 364(2009), S. 2047-2062
Claudia Lorenz; Robert Opitz; Ilka Lutz; Werner Kloas
Corticosteroids disrupt amphibian metamorphosis by complex modes of action including increased prolactin expression
Comparative biochemistry and physiology C. - 150(2009)2, S. 314-321
Claudia Lorenz; Robert Opitz; Ilka Lutz; Werner Kloas
Teratogenic effects of chronic treatment with cortocosterone on Tadpoles of Xenopus laevis
Annals of the New York Academy of Sciences. - 1163(2009), S. 454-456
Werner Kloas; Ilka Lutz; Ralph Urbatzka; Tim Springer; Hank Krueger; Jeffrey Wolf; Larry Holden; Alan Hosmer
Does atrazine affect larval development and sexual differentiation of South African clawed frogs?
Annals of the New York Academy of Sciences. - 1163(2009), S. 437-440
J. Gessner; C. M. Kamerichs; W. Kloas; S. Wuertz
Behavioural and physiological responses in early life phases of Atlantic sturgeon (Acipenser oxyrinchus Mitchill 1815) towards different substrates
Journal of applied ichthyology. - 25(2009)Suppl. 2, S. 83-90
2008
Constanze Pietsch; Reinhard Vogt; Nadja Neumann; Werner Kloas
Production of nitric oxide by carp (Cyprinus carpio L.) kidney leukocytes is regulated by cyclic 3',5'-adenosine monophosphate
Comparative biochemistry and physiology A. - 150(2008), S. 58-65
J. O. Ogunji; W. Kloas; M. Wirth; N. Neumann; C. Pietsch
Effect of housefly maggot meal (magmeal) diets on the performance, concentration of plasma glucose, cortisol and blood characteristics of Oreochromis niloticus fingerlings
Journal of animal physiology and animal nutrition. - 92(2008)4, S. 511-518
Jörg Oehlmann; Ulrike Sculte-Oehlmann; Matthias Oetken; Jens Bachmann; Ilka Lutz; Werner Kloas
Superfeminization as an effect of bisphenol A in Marisa cornuarietis
Ecotoxicology and environmental safety. - 69(2008)3, S. 577-579
J. O. Ogunji; W. Kloas; M. Wirth; C. Schulz; B. Rennert
Housefly maggot meal (magmeal) as a protein source for Oreochromis niloticus (Linn.)
Asian fisheries science. - 21(2008)3, S. 319-331
Alessandra Cevasco; Ralph Urbatzka; Sergio Bottero; Alessandra Massari; Federico Pedemonte; Werner Kloas; Alberta Mandich
Endocrine disrupting chemicals (EDC) with (anti)estrogenic and (anti)androgenic modes of action affecting reproductive biology of Xenopus laevis
Comparative biochemistry and physiology C. - 147(2008),S. 241-251
Alaa G. M. Osman; Imam A. Mekkawy; Johan Verreth; Sven Wuertz; Werner Kloas; Frank Kirschbaum
Monitoring of DNA breakage in embryonic stages of the African catfish Clarias gariepinus (Burchell, 1822) after exposure to lead nitrate using alkaline comet assay
Environmental toxicology. - 23(2008)6, S. 679-687
Luigi Viganò; Emilio Benfenati; Anne van Cauwenberge; Janne K. Eidem; Claudio Erratico; Anders Goksøyr; Werner Kloas; Silvia Mandich; Ralph Urbatzka
Estrogenicity profile and estrogenic compounds determined in river sediments by chemical analysis, ELISA and yeast assays
Chemosphere. - 73(2008)7, S. 1078-1089
Johnny Ogunji; Rahat-Ul-Ain Summan Toor; Carsten Schulz; Werner Kloas
Growth performance, nutrient utilization of Nile tilapia Oreochromis niloticus fed housefly maggot meal (magmeal) diets
Turkish journal of fisheries and aquatic sciences. - 8(2008)1, S. 141-147
Ilka Lutz; Werner Kloas; Timothy A. Springer; Larry R. Holden; Jeff C. Wolf; Henry O. Krueger; Alan J. Hosmer
Development, standardization and refinement of procedures for evaluating effects of endocrine active compounds on development and sexual differentiation of Xenopus laevis
Analytical and bioanalytical chemistry. - 390(2008), S. 2031-2048
Maaike Binner; Werner Kloas; Iris Hardewig
Energy allocation in juvenile roach and burbot under different temperature and feeding regimes
Fish physiology and biochemistry. - 34(2008)2, S. 103-116
2007
S. Wuertz; J. Gessner; F. Kirschbaum; W. Kloas
Expression of IGF-I and IGF-I receptor in male and female sterlet, Acipenser ruthenus - evidence for an important role in gonad maturation
Comparative biochemistry and physiology A. - 147(2007)1, S. 223-230
Constanze Pietsch; Günter Kotterba; Klaus Knopf; Nadja Neumann; Werner Kloas
Immunmodulationen beim Karpfen durch Sexualsteroide
Gesunde Fische überall / EAFP. - Bern, 2007. - S. 1-5
S. Wuertz; A. Nitsche; M. Jastroch; J. Gessner; M. Klingenspor; F. Kirschbaum; W. Kloas
The role of the IGF-I system for vitellogenesis in maturing female sterlet, Acipenser ruthenus Linnaeus, 1758
General and comparative endocrinology. - 150(2007)1, S. 140-150
R. Urbatzka; I. Lutz; W. Kloas
Aromatase, steroid-5-alpha-reductase type 1 and type 2 mRNA expression in gonads and in brain of Xenopus laevis during ontogeny
General and comparative endocrinology. - 153(2007), S. 280-288
Ralph Urbatzka; Sergio Bottero; Alberta Mandich; Ilka Lutz; Werner Kloas
Endocrine disrupters with (anti)estrogenic and (anti)androgenic modes of action affecting reproductive biology of Xenopus laevis
Comparative biochemistry and physiology C. - 144(2007)4,S. 310-318
Ralph Urbatzka; Anne van Cauwenberge; Silvia Maggioni; Luigi Viganò; Alberta Mandich; Emilio Benfenati; Ilka Lutz; Werner Kloas
Androgenic and antiandrogenic activities in water and sediment samples from the river Lambro, Italy, dtected by yeast androgen screen and chemical analyses
Chemosphere. - 67(2007)6, S. 1080-1087
Heinz-R. Köhler; Werner Kloas; Martin Schirling; Ilka Lutz; Anna L. Reye; Jan-S. Langen; Rita Triebskorn; Roland Nagel; Gilbert Schönfelder
Sex steroid receptor evolution and signalling in aquatic invertebrates
Ecotoxicology. - 16(2007)1, S. 131-143
2006
B. Sures; I. Lutz; W. Kloas
Effects of infection with Anguillicola crassus and simultaneous exposure with Cd and 3,3',4,4',5-pentachlorobiphenyl (PCB 126) on the levels of cortisol and glucose in European eel (Anguilla anguilla)
Parasitology. - 132(2006)2, S. 281-288
Robert Opitz; Sabine Hartmann; Tobias Blank; Thomas Braunbeck; Ilka Lutz; Werner Kloas
Evaluation of histological and molecular endpoints for enhanced detection of thyroid system disruption in Xenopus laevis tadpoles
Toxicological sciences. - 90(2006)2, S. 337-348
Robert Opitz;; Ilka Lutz; Ngoc-Ha Nguyen; Thomas S. Scanlan; Werner Kloas
Analysis of thyroid hormone receptor ßA mRNA expression in Xenopus laevis tadpoles as a means to detect agonism and antagonism of thyroid hormone action
Toxicology and applied pharmacology. - 212(2006)1, S. 1-13
R. Opitz; Achim Trubiroha; Claudia Lorenz; Ilka Lutz; Sabine Hartmann; Tobias Blank; Thomas Braunbeck; Werner Kloas
Expression of sodium-iodide symporter mRNA in the thyorid gland of Xenopus laevis tadpoles
Journal of endocrinology. - 190(2006)1, S. 157-170
S. Wuertz; I. Lutz; J. Gessner; P. Loeschau; B. Hogans; F. Kirschbaum; W. Kloas
The influence of rearing density as environmental stressor on cortisol response of Shortnose sturgeon (Acipenser brevirostrum)
Journal of applied ichthyology. - 22(2006)Suppl. 1, S. 269-273
S. Wuertz; A. Nitsche; J. Gessner; F. Kirschbaum; W. Kloas
IGF-I and its role in maturing gonads of female sterlet, Acipenser ruthenus Linnaeus, 1758
Journal of applied ichthyology. - 22(2006)Suppl. 1, S. 346-352
Jörg Oehlmann; Ulrike Schulte-Oehlmann; Jean Bachmann; Matthias Oetken; Ilka Lutz; Werner Kloas; Thomas A. Ternes
Bisphenol A induces superfeminization in the ramshorn snail Marisa cornuarietis (Gastropoda: Prosobranchia) at environmentally relevant concentrations
Environmental health perspectives. - 114(2006)Suppl. 1, S. 127-133
Werner Kloas; Ilka Lutz
Amphibians as model to study endocrine disrupters
Journal of chromatography A. - 1130(2006), S. 16-27
Oana Jagnytsch; Robert Opitz; Ilka Lutz; Werner Kloas
Effects of tetrabromobisphenol A on larval development and thyroid hormone-regulated biomarkers of the amphibian Xenopus laevis
Environmental research. - 101(2006)3, S. 340-348
R. Urbatzka; I. Lutz; R. Opitz; W. Kloas
Luteinizing hormone, follicle stimulating hormone, and gonadotropin releasing hormone mRNA expression of Xenopus laevis in response to endocrine disrupting compounds affecting reproductive biology
General and comparative endocrinology. - 146(2006)2, S. 119-125
2005
A. Mandich; E. Benfenati; M. T. D. Cronin; A. Goksøyr; B. E. Grøsvik; W. Kloas; A. van Cauwenberge; L. Viganò
Environmental agent susceptibility assessment using existing and novel biomarkers as rapid noninvasive testing methods
Annals of the New York Academy of Sciences. - 1040(2005), S. 381-386
W. Kloas; C. Bögi; A. Gaete; O. Jagnytsch; A. Krüger; G. Levy; C. Lorenz; N. Neumann; R. Opitz; C. Pietsch; W. Schumacher; A. Tillack; A. Trubiroha; R. Urbatzka; C. van Ballegooy; C. Wiedemann; S. Würtz; I. Lutz
Testverfahren bei Amphibien zum Nachweis von endocrine disruptors (ED) mit Wirkungen auf die Reproduktion und das Schilddrüsensystem
3. Statusseminar Chemikalien in der Umwelt mit Wirkung auf das endokrine System / Umweltbundesamt. - Stuttgart, 2005. - S. 38-47
Anja Klann; Gregor Levy; Ilka Lutz; Christian Müller; Werner Kloas; Jan-Peter Hildebrandt
Estrogen-like effects of ultraviolet screen 3-(4-methylbenzylidene)- camphor (Eusolex 6300) on cell proliferation and gene induction in mammalian and amphibian cells
Environmental research. - 97(2005)3, S. 274-281
U. Schulte-Oehlmann; J. Bachmann; D. Candia Carnevali; G. Janer; S. Jobling; W. Kloas; O. Kusk; R. Lavado; I. Lutz; C. Porte; M. Sugni; B. Watermann; L. Wollenberger; J. Oehlmann
Quae nocent, docent: vergleichende Untersuchung zur Wirkung endokriner Disruptoren im Tierreich
3. Statusseminar Chemikalien in der Umwelt mit Wirkung auf das endokrine System / Umweltbundesamt. - Stuttgart, 2005. - S. 64-73
Robert Opitz; Thomas Braunbeck; Christian Bögi; Daniel B. Pickford; Gerrit Nentwig; Jörg Oehlmann; Osamu Tooi; Ilka Lutz; Werner Kloas
Description and initial evaluation of a Xenopus metamorphosis assay for detection of thyroid system-disrupting activities of environmental compounds
Environmental toxicology and chemistry. - 24(2005)3, S. 653-664
Ilka Lutz; Susanne Blödt; Werner Kloas
Regulation of estrogen receptors in primary cultured hepatocytes of the amphibian Xenopus laevis as estrogenic biomarker and its application in environmental monitoring
Comparative biochemistry and physiology C. - 141(2005)4, S. 384-392
Werner Kloas; Ilka Lutz
Welche Wirkungen können Arzneimittel in der aquatischen Umwelt hervorrufen?
Arzneimittel in der Umwelt. -(Texte / Umweltbundesamt ; 2005/29). - S. 185-194
Ilka Lutz; Zhang Jie; Robert Opitz; Werner Kloas; Xu Ying; Ralph Menzel; Christian E. W. Steinberg
Environmental signals
Chemosphere. - 61(2005)8, S. 1183-1188
J. Oehlmann; U. Schulte-Oehlmann; J. Bachmann; M. Duft; M. Oetken; I. Lutz; W. Kloas; T. A. Ternes
Bisphenol A als Xeno-Östrogen bei Vorderkiemerschnecken
3. Statusseminar Chemikalien in der Umwelt mit Wirkung auf das endokrine System / Umweltbundesamt. - Stuttgart, 2005. - S. 19-37
Werner Kloas
Die unsichtbare Gefahr
Umweltforschungs-Journal 2005 / Landesanstalt für Umweltschutz Baden-Württemberg. - Karlsruhe, 2005. - S. 36
Martin Jastroch; Sven Würtz; Werner Kloas; Martin Klingenspor
Uncoupling protein 1 in fish uncovers an ancient evolutionary history of mammalian nonshivering thermogenesis
Physiological genomics. - 22(2005)2, S. 150-156
2004
Gregor Levy; Ilka Lutz; Angela Krüger; Werner Kloas
Bisphenol A induces feminization in Xenopus laevis tadpoles
Environmental research. - 94(2004)1, S. 102-111
Christian E. W. Steinberg; Sebastian Höss; Werner Kloas; Ilka Lutz; Thomas Meinelt; Stephan Pflugmacher; Claudia Wiegand
Hormonelike effects of humic substances on fish, amphibians, and invertebrates
Environmental toxicology. - 19(2004)4, S. 409-411
Ilka Lutz; Zhang Jie; Robert Opitz; Werner Kloas; Xu Ying; Christian E. W. Steinberg
Endocrine disrupting effects of humic substances in amphibs
Humic substances and soil and water environment : proceedings 12th international meeting of IHSS / eds.: Ladislau Martin-Neto ... - Sao Pedro, Sao Paulo : Embrapa Instrumentacao Agropecuária, 2004. - S. 123-127
A. P. Ekanem; T. Meinelt; W. Kloas; K. Knopf
Early life stage toxicity of extracts from the african fish poison plants Tephrosia vogelii Hook. f. and Asystasia vogeliana Benth. on zebrafish embryos
Journal of fish biology. - 65(2004)2, S. 489-494
Werner Kloas
Angiotensin, evolution of
Encyclopedia of endocrine diseases. - Vol. 1. - 2004. - S. 234-236
Frank Kirschbaum; Arne Ludwig; Emanuel Hensel; Sven Würtz; Werner Kloas; Patrick Williot; Ralph Tiedemann; Gerd-Michael Arndt; Eckhard Anders; Henning v. Nordheim; Jörn Geßner
Status of the project on protection and restoration of Atlantic sturgeon in Germany
Species differentiation and population identification in the sturgeons Acipenser sturio L. and Acipenser oxyrhinchus. - (BfN-Skripten / Bundesamt für Naturschutz ; 101). - S. 36-53
Yoshio Takei; Jean M. P. Joss; Werner Kloas; J. Cliff Rankin
Identification of angiotensin I in several vertebrate species
General and comparative endocrinology. - 135(2004)3, S. 286-292
Gregor Levy; Ilka Lutz; Angela Krüger; Wolf von Tümpling; Werner Kloas
Retinol-binding protein as a biomarker to assess endocrine-disrupting compounds in the environment
Analytical and bioanalytical chemistry. - 378(2004)3, S. 676-683
A. P. Ekanem; A. Obiekezie; W. Kloas; K. Knopf
Effects of crude extracts of Mucuna pruriens (Fabaceae) and Carica papaya (Caricaceae) against the protozoan fish parasite Ichthyophthirius multifiliis
Parasitology research. - 92(2004)5, S. 361-366
2003
Werner Kloas; Gregor Levy; Robert Opitz; Christian Bögi; Sven Würtz; Jörg Oehlmann; Ulrike Schulte-Oehlmann; Christoph van Ballegoy; Ralph Urbatzka; Oana Jagnytsch; Ilka Lutz
Wirkungen endokrin wirksamer Substanzen auf aquatische Tiere
Spurenstoffe in Gewässern / Thomas Track ; Gerhard Kreysa (Hrsg.). - Weinheim : Wiley, 2003. - S. 185-196
C. Bögi; J. Schwaiger; H. Ferling; U. Mallow; C. Steineck; F. Sinowatz; W. Kalbfus; R. D. Negele; I. Lutz; W. Kloas
Endocrine effects of environmental pollution on Xenopus laevis and Rana temporaria
Environmental research. - 93(2003)2, S. 195-201
Annette C. Schmid; Ilka Lutz; Werner Kloas; Manfred Reinecke
Thyroid hormone stimulates hepatic IGF-I mRNA expression in a bony fish, the tilapia Oreochromis mossambicus, in vitro and in vivo
General and comparative endocrinology. - 130(2003)2, S. 129-134
2002
Thomas Meinelt; Werner Kloas
Was sind endokrin wirksame Substanzen und wie beeinträchtigen sie unsere Fische?
Fischerei & [und] Fischmarkt in Mecklenburg-Vorpommern. - 2(2002)3, S. 40-42
Christian Bögi; Gregor Levy; Ilka Lutz; Werner Kloas
Functional genomics and sexual differentiation in amphibians
Comparative biochemistry and physiology B. - 133(2002)4, S. 559-570
W. Kloas; C. Bögi; G. Levy; S. Würtz; I. Lutz
Sexual differentiation in amphibians
Proceedings of the 21st Conference of European Comparative Endocrinologists, Bonn (Germany), August 26-30, 2002. - Bologna : Monduzzi Ed., 2002. - S. 87-90
I. Lutz; S. Würtz; A. Schulz; G. Levy; C. Bögi; R. Opitz; W. Kloas
Establishment of estrogenreceptor-mRNA as estrogenic biomarker in the amphibian Rana temporaria
Proceedings of the 21st Conference of European Comparative Endocrinologists, Bonn (Germany), August 26-30, 2002. - Bologna : Monduzzi Ed., 2002. - S. 95-98
S. Würtz; J. Gessner; F. Kirschbaum; W. Kloas
First identification of IGF-I mRNA in the genus Acipenser and its quantification in maturing gonads
Proceedings of the 21st Conference of European Comparative Endocrinologists, Bonn (Germany), August 26-30, 2002. - Bologna : Monduzzi Ed., 2002. - S. 253-257
B. Sures; G. Scheef; B. Klar; W. Kloas; H. Taraschewski
Interaction between cadmium exposure and infection with the intestinal parasite Moniliformis moniliformis (Acanthocephala) on the stress hormone levels in rats
Environmental pollution. - 119(2002)3, S. 333-340
Werner Kloas
Amphibians as a model for the study of endocrine disruptors
International review of cytology. - 216(2002), S. 1-57
G. Mosconi; O. Carnevali; M. F. Franzoni; E. Cottone; I. Lutz; W. Kloas; K. Yamamoto; S. Kikuyama; A. M. Polzonetti-Magni
Environmental estrogens and reproductive biology in amphibians
General and comparative endocrinology. - 126(2002), S. 125-129
W. Kloas; G. Levy; C. Bögi; R. Opitz; I. Lutz
Effects of environmental chemicals on reproductive biology of amphibians
Endocrine disrupters : second statusseminar. - Berlin, 2002. - S. 55-58
C. Bögi; J. Schwaiger; H. Ferling; U. Mallow; C. Steineck; W. Kalbfus; R. D. Negele; I. Lutz; W. Kloas
Endocrine effects of environmental pollution on amphibians
Endocrine disrupters : second statusseminar. - Berlin, 2002. - S. 59-61
2001
B. Sures; K. Knopf; W. Kloas
Induction of stress by the swimbladder nematode Anguillicola crassus in European eels, Anguilla anguilla, after repeated experimental infection
Parasitology. - 123(2001)2, S. 179-184
Werner Kloas
Wirkungen von endokrin wirksamen Stoffen (endocrine disruptors) auf Fische und Amphibien
Wasser und Boden. - 53(2001)1+2, S. 16-21
2000
I. David; R. Bosshard; W. Kloas; M. Reinecke
Insulin-like growth factor-I in the anterior pituitary of the clawed frog Xenopus laevis
Journal of neuroendocrinology. - 12(2000), S. 415-420
Werner Kloas; Bettina Schrag; Colin Ehnes; Helmut Segner
Binding of xenobiotics to hepatic estrogen receptor and plasma sex steroid binding protein in the teleost fish, the common carp (Cyprinus carpio)
General and comparative endocrinology. - 119(2000), S. 287-299
A. C. Schmid; M. Reinecke; W. Kloas
Primary cultured hepatocytes of the bony fish, Oreochromis mossambicus, the tilapia
Journal of endocrinology. - 166(2000), S. 265-273
1999
Werner Kloas
Stress physiology in fish
Recent developments in comparative endocrinology and neurobiology / ed. by Eric W. Roubos ... - Maastricht, 1999. - S. 157-160
Ilka Lutz; Werner Kloas
Amphibians as a model to study endocrine disruptors
The science of the total environment. - 225(1999)1-2, S. 49-57
Werner Kloas; Ilka Lutz; Ralf Einspanier
Amphibians as a model to study endocrine disruptors
The science of the total environment. - 225(1999)1-2, S. 59-68
Annette C. Schmid; Esther Näf; Werner Kloas; Manfred Reinecke
Insulin-like growth factor-I and -II in the ovary of a bony fish, Oreochromis mossambicus, the tilapia
Molecular end cellular endocrinology. - 156(1999)1-2, S. 141-149