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List of works by Werner Kloas

17α-Ethinylestradiol can disrupt hemoglobin catabolism in amphibians

scientific article published on 25 March 2015

A 180 Myr-old female-specific genome region in sturgeon reveals the oldest known vertebrate sex determining system with undifferentiated sex chromosomes

scientific article published on 12 July 2021

A Single Transcriptome of a Green Toad (Bufo viridis) Yields Candidate Genes for Sex Determination and -Differentiation and Non-Anonymous Population Genetic Markers

scientific article

A critical analysis of the biological impacts of plasticizers on wildlife

scientific article

A duplicated copy of id2b is an unusual sex-determining candidate gene on the Y chromosome of arapaima (Arapaima gigas)

Advanced aquaponics: Evaluation of intensive tomato production in aquaponics vs. conventional hydroponics

scientific article

Amphibians as a model for the study of endocrine disruptors

scientific article

Amphibians as model to study endocrine disrupters

scientific article

An environmentally relevant endocrine-disrupting antiandrogen, vinclozolin, affects calling behavior of male Xenopus laevis

scientific article published on 16 June 2010

An innovative suction filter device reduces nitrogen loss in double recirculating aquaponic systems

Analysis of thyroid hormone receptor betaA mRNA expression in Xenopus laevis tadpoles as a means to detect agonism and antagonism of thyroid hormone action

scientific article published on 22 July 2005

Androgenic and antiandrogenic activities in water and sediment samples from the river Lambro, Italy, detected by yeast androgen screen and chemical analyses

scientific article published on 17 January 2007

Animal versus plant protein sources in marine ingredient-free aquaponic diets: A case study on nutrient release, and retention of African catfish (Clarias gariepinus) reared in RAS

scholarly article

Aqueous leaf extracts display endocrine activities in vitro and disrupt sexual differentiation of male Xenopus laevis tadpoles in vivo

scientific article published on 11 March 2010

Bisphenol A induces feminization in Xenopus laevis tadpoles

scientific article

Bisphenol A induces superfeminization in the ramshorn snail Marisa cornuarietis(Gastropoda: Prosobranchia) at environmentally relevant concentrations

scientific article (publication date: April 2006)

COMPRENDO: Focus and approach

scientific article published on April 2006

Can skyglow reduce nocturnal melatonin concentrations in Eurasian perch?

scientific article published on 05 March 2020

Causal Relations of Upscaled Urban Aquaponics and the Food-Water-Energy Nexus—A Berlin Case Study

scientific article

Chronic diclofenac exposure affects gill integrity and pituitary gene expression and displays estrogenic activity in nile tilapia (Oreochromis niloticus).

scientific article published on 02 October 2016

Chronic exposure to the ß-blocker metoprolol reduces growth and alters gene expression of gonadotropins and vitellogenin in Nile tilapia (Oreochromis niloticus).

scientific article published on 27 March 2017

Corticosteroids disrupt amphibian metamorphosis by complex modes of action including increased prolactin expression.

scientific article published on 27 May 2009

Decoupled systems on trial: Eliminating bottlenecks to improve aquaponic processes

scientific article published on 28 September 2017

Description and initial evaluation of a Xenopus metamorphosis assay for detection of thyroid system-disrupting activities of environmental compounds

scientific article

Development, standardization and refinement of procedures for evaluating effects of endocrine active compounds on development and sexual differentiation of Xenopus laevis

scientific article

Diclofenac can exhibit estrogenic modes of action in male Xenopus laevis, and affects the hypothalamus-pituitary-gonad axis and mating vocalizations

scientific article published on 6 January 2017

Does atrazine affect larval development and sexual differentiation of South African clawed frogs?

scientific article

Does atrazine influence larval development and sexual differentiation in Xenopus laevis?

scientific article

Dynamic modeling of the INAPRO aquaponic system

ERGO: Breaking Down the Wall between Human Health and Environmental Testing of Endocrine Disrupters

scientific article published on 22 April 2020

Effects of 17 β‐estradiol exposure on Xenopus laevis gonadal histopathology ⬇️

scientific article published on May 1, 2010

Effects of atrazine in fish, amphibians, and reptiles: an analysis based on quantitative weight of evidence

scientific article

Effects of environmentally relevant concentrations of the xeno-androgen, methyldihydrotestosterone, on male and female mating behavior in Xenopus laevis ⬇️

scientific article published on February 17, 2012

Effects of tetrabromobisphenol A on larval development and thyroid hormone-regulated biomarkers of the amphibian Xenopus laevis

scientific article

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).

scientific article published on 16 September 2014

Efficient and economical way of operating a recirculation aquaculture system in an aquaponics farm

scientific article

Endocrine disrupters with (anti)estrogenic and (anti)androgenic modes of action affecting reproductive biology of Xenopus laevis: I. Effects on sex steroid levels and biomarker expression

scientific article published on 27 October 2006

Endocrine disrupting chemicals (EDC) with (anti)estrogenic and (anti)androgenic modes of action affecting reproductive biology of Xenopus laevis: II. Effects on gonad histomorphology

scientific article published on 22 October 2007

Endocrine disrupting effects in fish induced by parasites

scientific article published in April 2009

Endocrine disrupting effects of herbicides and pentachlorophenol: in vitro and in vivo evidence

scientific article

Endocrine disruption by environmental gestagens in amphibians - A short review supported by new in vitro data using gonads of Xenopus laevis

scientific article

Endocrine disruption in aquatic vertebrates.

scientific article published on April 2009

Endocrine disruption in teleosts and amphibians is mediated by anthropogenic and natural environmental factors: implications for risk assessment

scientific article published on 5 February 2024

Energy allocation in juvenile roach and burbot under different temperature and feeding regimes

scientific article published on 3 August 2007

Environmental signals: synthetic humic substances act as xeno-estrogen and affect the thyroid system of Xenopus laevis

scientific article published on 18 April 2005

Estrogen-like effects of ultraviolet screen 3-(4-methylbenzylidene)-camphor (Eusolex 6300) on cell proliferation and gene induction in mammalian and amphibian cells.

scientific article

Estrogenicity profile and estrogenic compounds determined in river sediments by chemical analysis, ELISA and yeast assays

scientific article

Estrogens Can Disrupt Amphibian Mating Behavior ⬇️

scientific article published on February 15, 2012

Evaluation of histological and molecular endpoints for enhanced detection of thyroid system disruption in Xenopus laevis tadpoles

scientific article published on 4 January 2006

Exposure to human pharmaceuticals Carbamazepine, Ibuprofen and Bezafibrate causes molecular effects in Dreissena polymorpha

scientific article published on 4 August 2011

Expression of gonadotropin subunits in roach (Rutilus rutilus, Cyprinidae) infected with plerocercoids of the tapeworm Ligula intestinalis (Cestoda).

scientific article published on 25 May 2009

Expression of sodium-iodide symporter mRNA in the thyroid gland of Xenopus laevis tadpoles: developmental expression, effects of antithyroidal compounds, and regulation by TSH.

scientific article published in July 2006

Fish hepatic glutathione-S-transferase activity is affected by the cestode parasitesSchistocephalus solidusandLigula intestinalis: evidence from field and laboratory studies ⬇️

scientific article published on April 26, 2011

Fulvic acid accelerates hatching and stimulates antioxidative protection and the innate immune response in zebrafish larvae

scientific article published in 2021

Functional genomics and sexual differentiation in amphibians

scientific article published in December 2002

Hormonelike effects of humic substances on fish, amphibians, and invertebrates

scientific article published on 01 August 2004

Identification of angiotensin I in several vertebrate species: its structural and functional evolution

scientific article published on 01 February 2004

Impact of different colours of artificial light at night on melatonin rhythm and gene expression of gonadotropins in European perch

scientific article published on 13 November 2015

Impact of microcystin containing diets on physiological performance of Nile tilapia (Oreochromis niloticus) concerning detoxification

scientific article published on 15 October 2010

Impact of microcystin containing diets on physiological performance of Nile tilapia (Oreochromis niloticus) concerning stress and growth

scientific article published on March 2010

Impacts of Microplastics on the Soil Biophysical Environment

scientific article published on 20 August 2018

Impacts of the synthetic androgen Trenbolone on gonad differentiation and development - comparisons between three deeply diverged anuran families

scientific article published on 03 July 2019

Impaired gonadal and somatic development corroborate vulnerability differences to the synthetic estrogen ethinylestradiol among deeply diverged anuran lineages

scientific article

In situ evaluation of the genotoxic potential of the river Nile: II. Detection of DNA strand-breakage and apoptosis in Oreochromis niloticus niloticus (Linnaeus, 1758) and Clarias gariepinus (Burchell, 1822).

scientific article

In vivo effects of deoxynivalenol (DON) on innate immune responses of carp (Cyprinus carpio L.).

scientific article published on 17 March 2014

Increasing the Sustainability of Aquaculture Systems: Insects as Alternative Protein Source for Fish Diets

scientific article published in 2017

Influence of artificially induced light pollution on the hormone system of two common fish species, perch and roach, in a rural habitat

scientific article published on 13 April 2018

Influence of light intensity and spectral composition of artificial light at night on melatonin rhythm and mRNA expression of gonadotropins in roach Rutilus rutilus

scientific article

Influence of the cestode Ligula intestinalis and the acanthocephalan Polymorphus minutus on levels of heat shock proteins (HSP70) and metallothioneins in their fish and crustacean intermediate hosts.

scientific article published on 13 June 2013

Inhibition of gametogenesis by the cestode Ligula intestinalis in roach (Rutilus rutilus) is attenuated under laboratory conditions.

scientific article

Innate immunity, oxidative stress and body indices of Eurasian perch <i>Perca fluviatilis</i> after two weeks of exposure to artificial light at night

scientific article published in 2021

Ion-rich potash mining effluents affect sperm motility parameters of European perch, Perca fluviatilis, and impair early development of the common roach, Rutilus rutilus

scientific article published on 24 August 2020

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

scientific article published on 20 June 2019

Low frequency ultrasound and UV-C for elimination of pathogens in recirculating aquaculture systems ⬇️

scientific article published on February 8, 2013

Low-Dose Effects: Nonmonotonic Responses for the Toxicity of a Bacillus thuringiensis Biocide to Daphnia magna

scientific article published on 21 December 2016

Mate calling behavior of male South African clawed frogs (Xenopus laevis) is suppressed by the antiandrogenic endocrine disrupting compound flutamide

scientific article published on 4 February 2010

Metal fate and effects in estuaries: A review and conceptual model for better understanding of toxicity.

scientific article published on 24 September 2015

Microplastics Can Change Soil Properties and Affect Plant Performance

scientific article published on 07 May 2019

Microplastics Reduce Short-Term Effects of Environmental Contaminants. Part I: Effects of Bisphenol A on Freshwater Zooplankton Are Lower in Presence of Polyamide Particles

scientific article published on 6 February 2018

Microplastics as an emerging threat to terrestrial ecosystems.

scientific article published on 15 December 2017

Misbalance of thyroid hormones after two weeks of exposure to artificial light at night in Eurasian perch <i>Perca fluviatilis</i>

scientific article published in 2021

Model-based management strategy for resource efficient design and operation of an aquaponic system

Modification of the chemically induced inflammation assay reveals the Janus face of a phenol rich fulvic acid

scientific article published on 07 April 2022

Molecular effects and bioaccumulation of levonorgestrel in the non-target organism Dreissena polymorpha

scientific article published on 16 October 2010

Monitoring of DNA breakage in embryonic stages of the African catfish Clarias gariepinus (Burchell, 1822) after exposure to lead nitrate using alkaline comet assay

scientific article published in December 2008

Naturally-induced endocrine disruption by the parasite Ligula intestinalis (Cestoda) in roach (Rutilus rutilus).

scientific article published on 31 August 2009

Novel Concepts for Novel Entities: Updating Ecotoxicology for a Sustainable Anthropocene

scientific article published on 19 April 2019

Organ damage and hepatic lipid accumulation in carp (Cyprinus carpio L.) after feed-borne exposure to the mycotoxin, deoxynivalenol (DON)

scientific article published on 21 February 2014

Oxygen consumption in recirculating nutrient film technique in aquaponics

scientific article

Phenol-rich fulvic acid as a water additive enhances growth, reduces stress, and stimulates the immune system of fish in aquaculture

scientific article published on 08 January 2021

Physiological responses of Xenopus laevis tadpoles exposed to cyanobacterial biomass containing microcystin-LR.

scientific article published on 23 November 2012

Plant nutritional value of aquaculture water produced by feeding Nile tilapia ( Oreochromis niloticus ) alternative protein diets: A lettuce and basil case study

scientific article published on 16 November 2023

Population-relevant endpoints in the evaluation of endocrine-active substances (EAS) for ecotoxicological hazard and risk assessment

scientific article published on 4 January 2017

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

scientific article published on 12 March 2019

Potash mining effluents and ion imbalances cause transient stress in adult common roach, Rutilus rutilus

scientific article published on 29 May 2019

Potash mining effluents induce moderate effects on histopathological and physiological endpoints of adult zebrafish (Danio rerio)

scientific article published on 31 July 2019

Production of nitric oxide by carp (Cyprinus carpio L.) kidney leukocytes is regulated by cyclic 3',5'-adenosine monophosphate

scientific article published on 12 March 2008

Profitability of multi‐loop aquaponics: Year‐long production data, economic scenarios and a comprehensive model case

scientific article

Progestogens cause immunosuppression of stimulated carp (Cyprinus carpio L.) leukocytes in vitro.

scientific article published in July 2009

Recommended approaches to the scientific evaluation of ecotoxicological hazards and risks of endocrine-active substances.

scientific article

Regulation of estrogen receptors in primary cultured hepatocytes of the amphibian Xenopus laevis as estrogenic biomarker and its application in environmental monitoring

scientific article

Retinol-binding protein as a biomarker to assess endocrine-disrupting compounds in the environment

scientific article published on 05 December 2003

Screening of multiple hormonal activities in water and sediment from the river Nile, Egypt, using in vitro bioassay and gonadal histology

scientific article

Sex chromosome conservation, DMRT1 phylogeny and gonad morphology in diploid Palearctic green toads (Bufo viridis subgroup).

scientific article published on January 2014

Sex reversal assessments reveal different vulnerability to endocrine disruption between deeply diverged anuran lineages

scientific article

Sex steroid receptor evolution and signalling in aquatic invertebrates

scientific article published on February 2007

Short-term exposure with high concentrations of pristine microplastic particles leads to immobilisation of Daphnia magna.

scientific article

Sixth International Symposium on Amphibian and Reptilian Endocrinology and Neurobiology ISAREN 2009

scientific article published on 15 May 2010

Spotlight on fish: light pollution affects circadian rhythms of European perch but does not cause stress

scientific article published on 8 January 2015

Stage-dependent differences in RNA composition and content affect the outcome of expression profiling in roach (Rutilus rutilus) ovary

scientific article published on 12 February 2011

Steroid exposure during larval development of Xenopus laevis affects mRNA expression of the reproductive pituitary-gonadal axis in a sex- and stage-dependent manner

scientific article

Superfeminization as an effect of bisphenol A in Marisa cornuarietis

scientific article published on 01 March 2008

Sustainable food protein supply reconciling human and ecosystem health: A Leibniz Position

scientific article published in 2020

Teratogenic effects of chronic treatment with corticosterone on tadpoles of Xenopus laevis.

scientific article

The Dark Side of Light: A Transdisciplinary Research Agenda for Light Pollution Policy

scientific article published on 08 February 2017

The adjuvant effect of low frequency ultrasound when applied with an inactivated Aeromonas salmonicida vaccine to rainbow trout (Oncorhynchus mykiss).

scientific article published on 20 January 2015

The antiestrogens tamoxifen and fulvestrant abolish estrogenic impacts of 17α-ethinylestradiol on male calling behavior of Xenopus laevis

scientific article

The aquaponic principle—It is all about coupling

scientific article

The beta-receptor blocker metoprolol alters detoxification processes in the non-target organism Dreissena polymorpha

scientific article published on 3 April 2010

The challenge presented by progestins in ecotoxicological research: a critical review.

scientific article published on 10 February 2015

The genome of the arapaima (Arapaima gigas) provides insights into gigantism, fast growth and chromosomal sex determination system

scientific article published on 28 March 2019

The plasticizer bisphenol A affects somatic and sexual development, but differently in pipid, hylid and bufonid anurans

scientific article published on 7 June 2016

The potential of VKORC1 polymorphisms in Mustelidae for evolving anticoagulant resistance through selection along the food chain

scientific article published on 29 August 2019

The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization

scientific article published on 30 March 2020

The synthetic gestagen Levonorgestrel disrupts sexual development in Xenopus laevis by affecting gene expression of pituitary gonadotropins and gonadal steroidogenic enzymes

scientific article published on 13 September 2011

The synthetic gestagen levonorgestrel directly affects gene expression in thyroid and pituitary glands of Xenopus laevis tadpoles

scientific article published on 20 May 2016

The synthetic gestagen levonorgestrel impairs metamorphosis in Xenopus laevis by disruption of the thyroid system

scientific article published on 24 June 2011

The synthetic progestogen, Levonorgestrel, but not natural progesterone, affects male mate calling behavior of Xenopus laevis ⬇️

scientific article published on February 26, 2012

Thyroid hormone stimulates hepatic IGF-I mRNA expression in a bony fish, the tilapia Oreochromis mossambicus, in vitro and in vivo

scientific article

Uncoupling protein 1 in fish uncovers an ancient evolutionary history of mammalian nonshivering thermogenesis

scientific article published on 10 May 2005

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 (cyp19a1b) in the pituitary ⬇️

scientific article published on July 16, 2012

mRNA expression of antioxidant and biotransformation enzymes in zebrafish (Danio rerio) embryos after exposure to the tricyclic antidepressant amitriptyline

scientific article published on 13 November 2018

p,p'-Dichlordiphenyldichloroethylene (p,p'-DDE) can elicit antiandrogenic and estrogenic modes of action in the amphibian Xenopus laevis

scientific article published on 14 September 2016

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