WEKO3
アイテム
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Characterization of ubiquitin-activating enzyme Uba1 in the nucleus by its mammalian temperature-sensitive mutant
https://repo.qst.go.jp/records/46804
https://repo.qst.go.jp/records/46804168c4630-64e3-43b2-b6b9-67ca594a8c72
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-08-20 | |||||
タイトル | ||||||
タイトル | Characterization of ubiquitin-activating enzyme Uba1 in the nucleus by its mammalian temperature-sensitive mutant | |||||
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 |
菅谷, 公彦
× 菅谷, 公彦× 石原, よし江× 井上, 園江× 辻, 秀雄× 菅谷 公彦× 石原 よし江× 井上 園江× 辻 秀雄 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Temperature-sensitive (ts) CHO-K1 mutant tsTM3 exhibits chromosomal instability and cell-cycle arrest in the S to G2 phases with decreased DNA synthesis at the nonpermissive temperature, 39°C. Previously, complementation tests with other mutants showed that tsTM3 harbors a genetic defect in the ubiquitin-activating enzyme Uba1. Sequence comparison of the Uba1 gene between wild-type and mutant cells in this study revealed that the mutant phenotype is caused by a G-to-A transition that yields a Met-to-Ile substitution at position 256 in hamster Uba1. The ts defects in tsTM3 were complemented by expression of the wild-type Uba1 tagged with green fluorescent protein. Expression of the Uba1 primarily in the nucleus appeared to rescue tsTM3 cells. Incubation at 39°C resulted in a decrease of nuclear Uba1 in tsTM3 cells, suggesting that loss of Uba1 in the nucleus may lead to the ts defects. Analyses with the fluorescent ubiquitination-based cell cycle indicator revealed that loss of function of Uba1 leads to failure of the ubiquitin system in the nucleus. Incubation at 39°C caused an increase in endogenous geminin in tsTM3 cells. A ts mutation of Uba1 found in tsTM3 cells appears to be a novel mutation reflecting the important roles of Uba1 in nucleus. | |||||
書誌情報 |
PLOS ONE 巻 9, 号 5, p. e96666, 発行日 2014-05 |
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出版者 | ||||||
出版者 | PLOS | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1932-6203 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 24805847 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1371/journal.pone.0096666 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0096666 | |||||
関連名称 | http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0096666 |