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Evolutionary history of DNA methylation related genes in chordates: new insights from multiple whole genome duplications
Jingwei Liu; Huihua Hu; Stéphane Panserat; Lucie Marandel
2020
Source Publicationscientificreports
ISSN2045-2322
Volume10Issue:1
AbstractDNA methylation is an important epigenetic mechanism involved in many biological processes, i . e . gametogenesis and embryonic development. However, increased copy numbers of DNA methylation related genes ( dnmt , tet and tdg ) have been found during chordate evolution due to successive whole genome duplication (WGD) events. Their evolutionary history and phylogenetic relationships remain unclear. The present study is the first to clarify the evolutionary history of DNA methylation genes in chordates. In particular, our results highlight the fixation of several dnmt3 -related genes following successive WGD throughout evolution. The rainbow trout genome offered a unique opportunity to study the early evolutionary fates of duplicated genes due to a recent round of WGD at the radiation of salmonids. Differences highlighted in transcriptional patterns of these genes during gametogenesis and ontogenesis in trout indicated that they might be subjected to sub- or neo-functionalisation after WDG. The fixation of multiple dnmt3 genes in genomes after WGD could contribute to the diversification and plastic adaptation of the teleost.
DOI10.1038/s41598-020-57753-w
Language英语
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/36457
Collection其他_期刊论文
Affiliation1.INRAE, Univ Pau & Pays de l′Adour, E2S-UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquap?le
2.State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences
3.University of Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jingwei Liu,Huihua Hu,Stéphane Panserat,et al. Evolutionary history of DNA methylation related genes in chordates: new insights from multiple whole genome duplications[J]. scientificreports,2020,10(1).
APA Jingwei Liu,Huihua Hu,Stéphane Panserat,&Lucie Marandel.(2020).Evolutionary history of DNA methylation related genes in chordates: new insights from multiple whole genome duplications.scientificreports,10(1).
MLA Jingwei Liu,et al."Evolutionary history of DNA methylation related genes in chordates: new insights from multiple whole genome duplications".scientificreports 10.1(2020).
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