作者
Deiene Rodriguez Barreto, Carlos Garcia de Leaniz, Eric Verspoor, Halina Sobolewska, Mark Coulson, Sofia Consuegra
发表日期
2019/10/1
期刊
Molecular Biology and Evolution
卷号
36
期号
10
页码范围
2205-2211
出版商
Oxford University Press
简介
Interbreeding between hatchery-reared and wild fish, through deliberate stocking or escapes from fish farms, can result in rapid phenotypic and gene expression changes in hybrids, but the underlying mechanisms are unknown. We assessed if one generation of captive breeding was sufficient to generate inter- and/or transgenerational epigenetic modifications in Atlantic salmon. We found that the sperm of wild and captive-reared males differed in methylated regions consistent with early epigenetic signatures of domestication. Some of the epigenetic marks that differed between hatchery and wild males affected genes related to transcription, neural development, olfaction, and aggression, and were maintained in the offspring beyond developmental reprogramming. Our findings suggest that rearing in captivity may trigger epigenetic modifications in the sperm of hatchery fish that could explain the rapid …
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D Rodriguez Barreto, C Garcia de Leaniz, E Verspoor… - Molecular Biology and Evolution, 2019