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  1. 010 学術雑誌論文
  2. 印南, 秀樹 / INNAN, Hideki
  1. 010 学術雑誌論文
  2. 宅野, 将平 / TAKUNO, Shohei

Selection Fine-Tunes the Expression of MicroRNA Target Genes in Arabidopsis thaliana

https://ir.soken.ac.jp/records/4499
https://ir.soken.ac.jp/records/4499
2be62c44-5a55-4ae9-bd4d-e8e4e2470b63
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-05-13
タイトル
タイトル Selection Fine-Tunes the Expression of MicroRNA Target Genes in Arabidopsis thaliana
タイトル
タイトル Selection Fine-Tunes the Expression of MicroRNA Target Genes in Arabidopsis thaliana
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 TAKUNO, Shohei

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TAKUNO, Shohei

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INNAN, Hideki

× INNAN, Hideki

INNAN, Hideki

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著者別名 印南, 秀樹

× 印南, 秀樹

印南, 秀樹

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抄録
内容記述タイプ Abstract
内容記述 MicroRNAs (miRNAs) are involved in posttranscriptional gene regulation by repressing the expression of their target genes through inhibition of translation and/or cleavage of mRNAs. In plants, the target genes of miRNAs usually belong to large gene families, and miRNA regulation is gained for individual genes throughout gene family evolution. To explore the selective effect of miRNA regulation on their target genes, we investigated the pattern of polymorphism and interspecific divergence in 11 multigene families that include target genes of ancient miRNAs in Arabidopsis thaliana. We found that the levels of polymorphism and divergence in target genes are significantly reduced, whereas those for nontarget genes are very similar to the genomic averages. This pattern is particularly clear at synonymous sites; we found that the reduction of synonymous variation is caused by selection for optimal codons, which increase the efficiency and accuracy of translation. Based on these results, we conclude that tuning via miRNA regulation has a strong impact on the evolution of target genes through which highly sophisticated regulation systems have been established.miRNA system, gene duplication, codon usage bias.
書誌情報 Molecular Biology and Evolution
en : Molecular Biology and Evolution

巻 28, 号 9, p. 2429-2434, 発行日 2011
出版者
出版者 Oxford University Press
ISSN
収録物識別子タイプ ISSN
収録物識別子 0737-4038
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1093/molbev/msr084
関連名称 10.1093/molbev/msr084
権利
権利情報 © The Author 2011.
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