Aquat Toxicol. 2011 Oct;105(3-4):640-2. Epub 2011 Sep 8.

Dissolved humic substances initiate DNA-methylation in cladocerans.

Menzel S, Bouchnak R, Menzel R, Steinberg CE.

Source

Humboldt-Universität zu Berlin, Department of Biology, Laboratory of Freshwater & Stress Ecology, Späthstrasse 80/81, D-12437 Berlin, Germany.

Abstract

DNA-methylation is one pathway of epigenetic programming of gene expression and can be responsive to environmental challenges such as methylating agents in the food. Here we report on the DNA-methylation in the cladocerans Daphnia magna and Moina macrocopa exposed to humic substances, ubiquitous biogeochemicals. The methylation of DNA can alter the stress response, presumably including exposure to synthetic xenobiotic chemicals.

PMID:: 21963594; [PubMed - in process]

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Dissolved humic substances initiate DNA-methylation in cladocerans.
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Dissolved humic substances initiate DNA-methylation in cladocerans.

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