A Simple and Specific Procedure to Permeabilize the Plasma Membrane of<i>Schizosaccharomyces pombe</i>
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- CHARDWIRIYAPREECHA Soracom
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- HONDO Kana
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- INADA Hiroko
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- CHAHOMCHUEN Thippayarat
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- SEKITO Takayuki
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- IWAKI Tomoko
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
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- KAKINUMA Yoshimi
- Laboratory of Molecular Physiology and Genetics, Faculty of Agriculture, Ehime University
書誌事項
- タイトル別名
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- A Simple and Specific Procedure to Permeabilize the Plasma Membrane of Schizosaccharomyces pombe
- A simple and specific procedure to permeabilize the plasma membrane of <italic>Schizosaccharomyces pombe</italic>
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Cu2+-treatment is a useful technique in selectively permeabilizing the fungal plasma membrane. We describe herein a practical application with Schizosaccharomyces pombe. Incubation of cells with 0.5 mM CuCl2 at 30 °C for 20 min induced efficient leakage of cytosolic constituents. The kinetic characteristics of the calcium and amino acid flux from Cu2+-treated S. pombe cells suggested that the Cu2+ treatment permeabilized the plasma membrane without loss of vacuolar function. As a further application of the method, the amino acid contents of Cu2+-treated and untreated cells were also determined. The amino acid pool of Cu2+-treated wild-type cells was enriched in basic amino acids but not in acidic amino acids, as is characteristic of the vacuolar amino acid pool of fungi, including Saccharomyces cerevisiae and Neurosporra crassa. The amino acid pool of the S. pombe V-ATPase mutant vma1Δ was also successfully determined. We conclude that the vacuolar amino acid pool of S. pombe can be measured using Cu2+-treated cells. The method is simple, inexpensive, and rapid relative to the isolation of vacuolar vesicles, making it useful in estimating vacuolar pools and transport across the vacuolar membrane.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 73 (9), 2090-2095, 2009
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
- 1390001206477639296
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- NII論文ID
- 10027545991
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
- http://id.crossref.org/issn/00032697
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- NDL書誌ID
- 10373103
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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
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- 抄録ライセンスフラグ
- 使用不可