Multigenerational Exposure to WCCo Nanomaterials-Epigenetics in the Soil Invertebrate Enchytraeus crypticus.
Multigenerational Exposure to WCCo Nanomaterials-Epigenetics in the Soil Invertebrate Enchytraeus crypticus.
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DOI:
10.3390/nano10050836
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发表时间:
2020-04-27
期刊:
影响因子:
--
通讯作者:
Amorim MJB
中科院分区:
文献类型:
--
作者:
Bicho RC;Scott-Fordsmand JJ;Amorim MJB
It has become clear how important it is to assess longer term effects of (nano) materials in the environment given the current evidence showing how epigenetics drives response mechanisms. Here we studied global DNA methylation in standard soil invertebrate Enchytraeus crypticus over 224 days when exposed to nanostructured tungsten carbide cobalt (WCCo nanomaterials (NMs)) and to cobalt (CoCl2) in a multigenerational experiment. In order to assess the transgenerational effect, we used a multigenerational (MG) test design consisting of four generations in spiked soil followed by two generations in clean soil. Results showed that MG exposure to WCCo NMs caused global DNA methylation to increase, which continued in unexposed generations and was associated with an increase in reproduction (phenotypic effect). In general, WCCo NMs caused more (and more consistent) methylation than CoCl2.
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DOI:
10.1016/b978-0-12-812433-8.00013-7
发表时间:
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期刊:
TOXICOEPIGENETICS: CORE PRINCIPLES AND APPLICATIONS
影响因子:
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