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Evolution of the ONSEN retrotransposon family activated upon heat stress in Brassicaceae

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Title: Evolution of the ONSEN retrotransposon family activated upon heat stress in Brassicaceae
Authors: Ito, Hidetaka Browse this author →KAKEN DB
Yoshida, Takanori Browse this author
Tsukahara, Sayuri Browse this author
Kawabe, Akira Browse this author
Keywords: Retrotransposon
Brassicaceae
heat stress
evolution
Issue Date: 2013
Publisher: elsevier
Journal Title: Gene
Publisher DOI: 10.1016/j.gene.2013.01.034
PMID: 23370337
Abstract: A Ty1/Copia-like retrotransposon, ONSEN, is activated subjected to heat stress in A. thaliana, and its de novo integrations observed preferentially within genes implies its regulation of neighboring genes. Here we show that ONSEN related copies were found in most species of Brassicaceae, forming a cluster with each species in phylogenetic tree. Most copies were localized close to genes in Arabidopsis lyrata and Brassica rapa, suggesting conserved integration specificity of ONSEN family into genic or open chromatin. In addition, we found heat-induced transcriptional activation of ONSEN family in several species of Brassicaceae. These results suggest that ONSEN has conserved transcriptional activation promoted by environmental heat stress in some Brassicaceae species.
Type: article (author version)
URI: http://hdl.handle.net/2115/51813
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 伊藤 秀臣

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