A New Simple Method for Isolating Multistress-Tolerant Semidominant Mutants of Saccharomyces cerevisiae by One-Step Selection under Lethal Hydrogen Peroxide Stress Condition
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- NAKAGAWA Youji
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- SEITA Junya
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- KOMIYAMA Shohei
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- YAMAMURA Hideki
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- HAYAKAWA Masayuki
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- IIMURA Yuzuru
- Division of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
書誌事項
- タイトル別名
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- A New Simple Method for Isolating Multistress-Tolerant Semidominant Mutants of <i>Saccharomyces cerevisiae</i> by One-Step Selection under Lethal Hydrogen Peroxide Stress Condition
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抄録
Tolerance of microorganisms to diverse stresses (i.e., multistress tolerance) is a very useful property with industrial applications. We have developed a simple method for isolating multistress-tolerant semidominant mutants of the budding yeast Saccharomyces cerevisiae by one-step selection under lethal hydrogen peroxide (H2O2) stress condition, which we named the lethal concentration of H2O2 (LCH) method. This method involves simply isolating colonies after plating of mutagenized S. cerevisiae cells, which are cultivated overnight in liquid media, on agar plates containing a lethal concentration of H2O2 for the wild-type strain. Phenotypic and genetic analyses of the ten strains isolated by this method revealed that two strains exhibiting stress tolerance to H2O2, ethanol, heat shock, salt, organic solvent, freeze-thaw, chronological aging, and high concentrations of glucose possess semidominant and distinct single-gene mutations designated as MLT1-1 (multistress tolerance) and MLT2-1, which are responsible for multistress tolerance. From these results, we expect this method to confer multistress tolerance on industrial yeasts.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 77 (2), 224-228, 2013
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206476885632
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- NII論文ID
- 10031164719
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- NII書誌ID
- AA10824164
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- COI
- 1:STN:280:DC%2BC3szmsFKmtA%3D%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 024294764
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- PubMed
- 23391901
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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
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- 抄録ライセンスフラグ
- 使用不可