Atrazine induces complete feminization and chemical castration in male African clawed frogs (Xenopus laevis) Tyrone B. Hayes tyrone@berkeley.edu, Vicky Khoury, Anne Narayan, +7, and Sherrie GallipeauAuthors Info & Affiliations Edited* by David B. Wake, University of California, Berkeley, CA, and approved January 15, 2010 (received for review August 20, 2009) March 9, 2010 107 (10) 4612-4617 https://doi.org/10.1073/pnas.0909519107 Article online at www.pnas.org [Online] at https://www.pnas.org/doi/full/10.1073/pnas.0909519107 "Abstract The herbicide atrazine is one of the most commonly applied pesticides in the world . As a result, atrazine is the most commonly detected pesticide contaminant of ground, surface, and drinking water. Atrazine is also a potent endocrine disruptor that is active at low, ecologically relevant concentrations . Previous studies showed that atrazine adversely affects amphibian larval development. The present study demonstrates the reproductive conseq
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