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Apoptosis at Inflection Point in Liquid Culture of Budding Yeasts
名前 / ファイル | ライセンス | アクション |
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110506002.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article_01(1) | |||||||||||
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公開日 | 2011-05-06 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Apoptosis at Inflection Point in Liquid Culture of Budding Yeasts | |||||||||||
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 | |||||||||||
著者 |
Hagiwara, Toshiyuki
× Hagiwara, Toshiyuki× Ushimaru, Takashi
WEKO
3328
× Tainaka, Kei-ichi
WEKO
3166
× Kurachi, Hironori× Yoshimura, Jin
WEKO
3165
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書誌情報 |
PLoS ONE 巻 6, 号 4, p. e19224, 発行日 2011-04-27 |
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出版者 | ||||||||||||
出版者 | Public Library of Science | |||||||||||
権利情報 | ||||||||||||
権利情報 | © 2011 Hagiwara et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |||||||||||
NDC | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 461 | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Budding yeasts are highly suitable for aging studies, because the number of bud scars (stage) proportionally correlates with age. Its maximum stages are known to reach at 20–30 stages on an isolated agar medium. However, their stage dynamics in a liquid culture is virtually unknown. We investigate the population dynamics by counting scars in each cell. Here one cell division produces one new cell and one bud scar. This simple rule leads to a conservation law: ‘‘The total number of bud scars is equal to the total number of cells.’’ We find a large discrepancy: extremely fewer cells with over 5 scars than expected. Almost all cells with 6 or more scars disappear within a short period of time in the late log phase (corresponds to the inflection point). This discrepancy is confirmed directly by the microscopic observations of broken cells. This finding implies apoptosis in older cells (6 scars or more). |
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EISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 19326203 | |||||||||||
PubMed番号 | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | PMID | |||||||||||
関連識別子 | 21556367 | |||||||||||
出版者DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.1371/journal.pone.0019224 | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf | |||||||||||
著者版フラグ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |