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Long-term exposure of metamifop affects sex differentiation and reproductive system of zebrafish (Danio rerio).
Aquat Toxicol
August 2024
Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China. Electronic address:
The extensive use of herbicide metamifop (MET) in rice fields for weeds control will inevitably lead to its entering into water environments and threaten the aquatic organisms. Previous researches have demonstrated that sublethal exposure of MET significantly affected zebrafish development. Yet the long-term toxicological impacts of MET on aquatic life remains unknown.
View Article and Find Full Text PDFNovel genetic sex markers reveal unexpected lack of, and similar susceptibility to, sex reversal in free-living common toads in both natural and anthropogenic habitats.
Mol Ecol
April 2022
Conservation Genetics Research Group, Department of Ecology, University of Veterinary Medicine Budapest, Budapest, Hungary.
Anthropogenic environmental changes are affecting biodiversity and microevolution worldwide. Ectothermic vertebrates are especially vulnerable because environmental changes can disrupt their sexual development and cause sex reversal, a mismatch between genetic and phenotypic sex. This can potentially lead to sex-ratio distortion and population decline.
View Article and Find Full Text PDFImproved photocatalyst: Elimination of triazine herbicides by novel phosphorus and boron co-doping graphite carbon nitride.
Sci Total Environ
February 2021
Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China. Electronic address:
A non-metallic and low-cost novel phosphorus and boron co-doping graphite carbon nitride (PB-g-CN) photocatalyst was prepared by a facile thermal copolymerization of urea with BO and (NH)·HPO. The novel PB-g-CN exhibited excellent optical and electrical properties and the photocatalytic elimination efficiency for atrazine (AT, can make feminization of male frogs in the wild, and even induce reproductive cancers in humans.) has been greatly improved compared with the pristine g-CN.
View Article and Find Full Text PDFThe Combined Effects of Road Salt and Biotic Stressors on Amphibian Sex Ratios.
Environ Toxicol Chem
January 2021
Department of Biological Sciences, Darrin Fresh Water Institute, Rensselaer Polytechnic Institute, New York, USA.
Aquatic systems worldwide are threatened by the anthropogenic use of synthetic chemicals, including pesticides, pharmaceuticals, and road de-icers. Exposure to contaminants can alter the behavior, morphology, and physiology of organisms if it occurs during sensitive life stages. For instance, past studies have documented feminization of male amphibians following herbicide exposure and skewed sex ratios among amphibian populations exposed to road salt.
View Article and Find Full Text PDFMaternal exposure to mixtures of dienestrol, linuron and flutamide. Part II: Endocrine-related gene expression assessment on male offspring rat testes.
Food Chem Toxicol
October 2020
Laboratory of Pesticides' Toxicology, Department of Pesticides Control and Phytopharmacy, Benaki Phytopathological Institute, Athens, Greece. Electronic address:
Exposure to endocrine-disrupting compounds (EDCs) during pregnancy and early development can lead to adverse developmental outcomes in offspring. One of the endpoints of concern is feminization. The present study aimed to investigate for any possible correlations with endocrine sensitive parameters in the testes of male rat offspring following dam exposure to three EDCs by assessing the expression of endocrine-related genes.
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