Gene duplication, silencing and expression alteration govern the molecular evolution of PRC2 genes in plants
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- Furihata Hazuka Y.
- Faculty of Life Sciences, Kyoto Sangyo University
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- Suenaga Kazuya
- Faculty of Life Sciences, Kyoto Sangyo University
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- Kawanabe Takahiro
- Faculty of Life Sciences, Kyoto Sangyo University
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- Yoshida Takanori
- Faculty of Life Sciences, Kyoto Sangyo University
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- Kawabe Akira
- Faculty of Life Sciences, Kyoto Sangyo University
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<p>PRC2 genes were analyzed for their number of gene duplications, dN/dS ratios and expression patterns among Brassicaceae and Gramineae species. Although both amino acid sequences and copy number of the PRC2 genes were generally well conserved in both Brassicaceae and Gramineae species, we observed that some rapidly evolving genes experienced duplications and expression pattern changes. After multiple duplication events, all but one or two of the duplicated copies tend to be silenced. Silenced copies were reactivated in the endosperm and showed ectopic expression in developing seeds. The results indicated that rapid evolution of some PRC2 genes is initially caused by a relaxation of selective constraint following the gene duplication events. Several loci could become maternally expressed imprinted genes and acquired functional roles in the endosperm.</p>
収録刊行物
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- Genes & Genetic Systems
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Genes & Genetic Systems 91 (2), 85-95, 2016
日本遺伝学会
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詳細情報 詳細情報について
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- CRID
- 1390001205473643520
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- NII論文ID
- 130005421236
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- NII書誌ID
- AA11077421
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- ISSN
- 18805779
- 13417568
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- NDL書誌ID
- 027634735
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- PubMed
- 27074982
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可