Effects of Compressed Hydrocarbon Gases on the Growth Activity of Saccharomyces cerevisiae
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概要
- 論文の詳細を見る
The inhibitory action of compressed hydrocarbon gases on the growth of the yeast Saccharomyces cerevisiae was investigated quantitatively by microcalorimetry. Both the 50% inhibitory pressure (IP50) and the minimum inhibitory pressure (MIP), which are regarded as indices of the toxicity of hydrocarbon gases, were determined from growth thermograms. Based on these values, the inhibitory potency of the hydrocarbon gases increased in the order methane << ethane < propane < i-butane < n-butane. The toxicity of these hydrocarbon gases correlated to their hydrophobicity, suggesting that hydrocarbon gases interact with some hydrophobic regions of the cell membrane. In support of this, we found that UV absorbing materials at 260 nm were released from yeast cells exposed to compressed hydrocarbon gases. Additionally, scanning electron microscopy indicated that morphological changes occurred in these cells.
- 社団法人 日本農芸化学会の論文
- 2010-10-23
著者
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ARAO Toshiaki
Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
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HARA Yoshio
Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
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SUZUKI Yoshihisa
Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
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Arao Toshiaki
Dep. Of Life System Inst. Of Technol. And Sci. The Univ. Of Tokushima
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Tamura Katsuhiro
Department Of Chemical Science And Technology
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Hara Yoshio
Department Of Life System Institute Of Technology And Science The University Of Tokushima
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KAWACHI Satoshi
Department of Life System, Institute of Technology and Science, The University of Tokushima
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Suzuki Yoshihisa
Department Of Life System Institute Of Technology And Science The University Of Tokushima
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Arao Toshiaki
Department Of Life System Institute Of Technology And Science The University Of Tokushima
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Kawachi Satoshi
Department Of Life System Institute Of Technology And Science The University Of Tokushima
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