Repression of the activities of two extracytoplasmic function σ factors, σM and σV, of Bacillus subtilis by glucolipids in Escherichia coli cells
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- Seki Takahiro
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
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- Mineshima Ryota
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
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- Hashimoto Michihiro
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
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- Matsumoto Kouji
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
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- Hara Hiroshi
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
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- Matsuoka Satoshi
- Department of Biochemistry and Molecular Biology, Graduate School of Science and Engineering, Saitama University
書誌事項
- タイトル別名
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- Repression of the activities of two extracytoplasmic function <b>σ</b> factors, <b>σ</b><sup>M</sup> and <b>σ</b><sup>V</sup>, of <i>Bacillus subtilis</i> by glucolipids in <i>Escherichia coli</i> cells
- Repression of the activities of extracytoplasmic function σ factors, σM and σV of Bacillus subtilis by glucolipids in Escherichia coli cells.
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抄録
Extracytoplasmic function (ECF) σ factors respond to environmental stresses and regulate numerous genes required for adaptation. Under normal growth conditions, the ECF σ factors are sequestered by transmembrane anti-σ factor proteins, from which they are released under stress conditions. In Bacillus subtilis ugtP null mutant cells, which lack glucolipids, three of the seven ECF σ factors, σM, σV and σX, are activated. The Escherichia coli cell membrane does not contain glucolipids. When the genes for these three ECF σ and anti-σ factors were introduced into E. coli cells, expression of lacZ fused to the ECF σ factor-regulated promoters indicated ECF σ factor activity. Additional expression of the ugtP gene in these E. coli cells led to the synthesis of small amounts of glucolipids, and the activities of σM and σV were repressed, but the activity of σX was unaffected. It is likely that glucolipids directly influence anti-σM and anti-σV factors by stabilizing conformations that sequester the respective ECF σ factors.
収録刊行物
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- Genes & Genetic Systems
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Genes & Genetic Systems 90 (2), 109-114, 2015
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詳細情報 詳細情報について
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- CRID
- 1390001205474220160
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- NII論文ID
- 130005098892
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- NII書誌ID
- AA11077421
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- ISSN
- 18805779
- 13417568
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- NDL書誌ID
- 026733489
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- PubMed
- 26399770
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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