Tolerance of budding yeast Saccharomyces cerevisiae to ultra high pressure

被引：3

作者：

Shibata, M. ^{[2
]}

Torigoe, M. ^{[2
]}

Matsumoto, Y. ^{[2
]}

Yamamoto, M. ^{[2
]}

Takizawa, N. ^{[3
]}

Hada, Y. ^{[4
]}

Mori, Y. ^{[5
]}

Takarabe, K. ^{[5
]}

Ono, F. ^{[1
,5
]}

机构：

[1] Okayama Univ Sci, Dept Appl Sci, Kita Ku, 1-1 Ridaicho, Okayama 7000005, Japan

[2] Okayama Ichinomiya Senior High Sch, Kita Ku, Okayama 7011202, Japan

[3] Okayama Univ Sci, Dept Appl Chem & Biotechnol, Okayama 7000005, Japan

[4] Okayama Univ Sci, Dept Biosphere Geosphere Syst Sci, Okayama 7000005, Japan

[5] Okayama Univ Sci, Dept Appl Sci, Okayama 7000005, Japan

来源：

18TH APS-SCCM AND 24TH AIRAPT, PTS 1-19 | 2014年 / 500卷

关键词：

HIGH HYDROSTATIC-PRESSURE; PROTEINS;

D O I：

10.1088/1742-6596/500/10/102004

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Our studies on the tolerance of plants and animals against very high pressure of several GPa have been extended to a smaller sized fungus, the budding yeast Saccharomyces cerevisiae. Several pieces of budding yeast (dry yeast) were sealed in a small teflon capsule with a liquid pressure medium fluorinate, and exposed to 7.5 GPa by using a cubic anvil press. The pressure was kept constant for various duration of time from 2 to 24 h. After the pressure was released, the specimens were brought out from the teflon capsule, and they were cultivated on a potato dextrose agar. It was found that the budding yeast exposed to 7.5 GPa for up to 6 h showed multiplication. However, those exposed to 7.5 GPa for longer than 12 h were found dead. The high pressure tolerance of budding yeast is a little weaker than that of tardigrades.

引用

页数：5

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