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Effects of Environmental Toxicants Reach Down Through Generations http://apocadocs.com/s.pl?1330713151
A Washington State University researcher has demonstrated that a variety of environmental toxicants can have negative effects on not just an exposed animal but the next three generations of its offspring.
The animal's DNA sequence remains unchanged, but the compounds change the way genes turn on and off -- the epigenetic effect studied at length by WSU molecular biologist Michael Skinner and expanded on in the current issue of the online journal PLoS ONE....
"We didn't expect them all to have transgenerational effects, but all of them did," Skinner told the technology website Gizmodo....
Researchers tested a pesticide mixture (permethrin and insect repellant DEET), a plastic mixture (bisphenol A and phthalates), dioxin (TCDD) and a hydrocarbon mixture (jet fuel, JP8)....
The researchers saw females reaching puberty earlier, increased rates in the decay and death of sperm cells and lower numbers of ovarian follicles that later become eggs.
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[Read more stories about:
bisphenol A, phthalates, pesticide runoff, toxic buildup]
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'Doc Jim says:
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Apocaiku: Early puberty / infertile sperm and ova: / maybe no grandkids.
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