The antimicrobial triclocarban stimulates embryo production in the freshwater mudsnailPotamopyrgus antipodarum
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The antimicrobial triclocarban stimulates embryo production in the freshwater mudsnail Potamopyrgus antipodarum.
Recent research has indicated that the antimicrobial chemical triclocarban (TCC) represents a new type of endocrine disruptor, amplifying the transcriptional activity of steroid hormones and their receptors while itself exhibiting little affinity for these receptors. The effects of TCC were studied in the freshwater mudsnail Potamopyrgus antipodarum. Specimens were exposed to concentrations ran...
متن کاملStimulated embryo production as a parameter of estrogenic exposure via sediments in the freshwater mudsnail Potamopyrgus antipodarum.
The effects of three suspected endocrine disrupting chemicals, the xeno-estrogens bisphenol A (BPA), 4-tert-octylphenol (OP) and 4-n-nonylphenol (NP), were investigated in a whole-sediment biotest with the freshwater mudsnail Potamopyrgus antipodarum (Gastropoda, Prosobranchia). Artificial sediments were spiked with five nominal concentrations (six for NP), ranging from 1-300 microg/kg dry weig...
متن کاملSpermatozoa Production by Triploid Males in the New Zealand Freshwater Snail Potamopyrgus antipodarum.
Asexual lineages derived from dioecious taxa are typically assumed to be all female. Even so, asexual females from a variety of animal taxa occasionally produce males. The existence of these males sets the stage for potential gene flow across asexual lineages as well as between sexual and asexual lineages. A recent study showed that asexual triploid female Potamopyrgus antipodarum, a New Zealan...
متن کاملMultiple paternity in the freshwater snail, Potamopyrgus antipodarum
Mating multiply may incur costs, such as exposure to predators and to sexually transmitted diseases. Nevertheless, it may be favored, in spite of these costs, as a way to increase the genetic diversity of offspring through fertilization by multiple males. Here, we tested for multiple paternity in a freshwater snail (Potamopyrgus antipodarum), which is host to several species of sterilizing trem...
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ژورنال
عنوان ژورنال: Environmental Toxicology and Chemistry
سال: 2010
ISSN: 0730-7268,1552-8618
DOI: 10.1002/etc.105