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A single generation of domestication heritably alters the expression of hundreds of genes

Open access
Christie, Mark R., Marine, Melanie L., Fox, Samuel E., French, Rod A., Blouin, Michael S.·2016·Nature Communications

Abstract

The genetic underpinnings associated with the earliest stages of plant and animal domestication have remained elusive. Because a genome-wide response to selection can take many generations, the earliest detectable changes associated with domestication may first manifest as heritable changes to global patterns of gene expression. Here, to test this hypothesis, we measured differential gene expression in the offspring of wild and first-generation hatchery steelhead trout (Oncorhynchus mykiss) reared in a common environment. Remarkably, we find that there were 723 genes differentially expressed between the two groups of offspring. Reciprocal crosses reveal that the differentially expressed genes could not be explained by maternal effects or by chance differences in the background levels of gene expression among unrelated families. Gene-enrichment analyses reveal that adaptation to the novel hatchery environment involved responses in wound healing, immunity and metabolism. These findings suggest that the earliest stages of domestication may involve adaptation to highly crowded conditions.

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Metadata

Authors
Christie, M. R., Marine, M. L., Fox, S. E., French, R. A., & Blouin, M. S.
Venue
Nature Communications
Published
2016-02-17
Volume
7
Issue
1
Pages
10676-10676
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2280053545
Cited by
269
References
5
FWCI
22.50
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: A single generation of domestication heritably alters the expression of hundreds of genes. https://app.cochat.ai/papers/10.1038/ncomms10676
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Christie, M. R., Marine, M. L., Fox, S. E., French, R. A., & Blouin, M. S. (2016). A single generation of domestication heritably alters the expression of hundreds of genes. Nature Communications. https://doi.org/10.1038/ncomms10676

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