Changes in Membrane Fluidity and Fatty Acid Composition of Pseudomonas putida CN-T19 in Response to Toluene(Microbiology & Fermentation Technology)
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概要
- 論文の詳細を見る
A bacterial isolate, Pseudomonas putida CN-T19, could grow in a two-phase medium with toluene up to 50% (v/v). Changes in fatty acid composition and membrane fluidity of the isolate were investigated to understand how this microorganism responds toluene. The changes in the ratios of unsaturated to saturated fatty acids were insignificant between cells grown with and without toluene. The changes in the ratio of cis- to trans-fatty acids of C_<16 : 1> and C_<18 : 1> was, however, significantly lower in cells grown with toluene than cells grown without toluene, giving approximately 1.3 and 9.7, respectively. Toluene had a fluidizing effect on the membrane of cells grown without toluene, resulting in decrease in membrane polarization ratio. Less fluidizing effect of toluene on the membrane of cells grown with toluene was observed, giving 11% of polarization percentage, which was significantly lower than 53% in cells grown without toluene. These results suggest that cis/trans isomeration of C_<16 : 1> and C_<18 : 1> makes cell membranes more rigid to respond toluene, and is an adaptive strategy allowing P. putida CN-T19 to grow in the presence of organic solvent.
- 社団法人日本農芸化学会の論文
- 2002-09-23
著者
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KIM In
Department of Radiation Oncology, Seoul National University College of Medicine
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Kim In
Department Of Animal Resource And Sciences Dankook University
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Shim J
Chonnam National Univ. Gwangju Kor
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Shim J
Division Of Applied Bioscience And Biotechnology Institute Of Agricultural Science And Technology Co
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Kim I
Department Of Environmental Science And Engineering Kwangju Institute Of Science And Technology (k-j
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Kim In
Department Of Chemical And Materials Engineering University Of Alberta
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Kim I
Kwangju Inst. Sci. And Technol. (k‐jist) Gwangju Kor
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SHIM Jae
Division of Applied Bioscience and Biotechnology, Institute of Agricultural Science and Technology,
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SUH Yong
Division of Applied Bioscience and Biotechnology, Institute of Agricultural Science and Technology,
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Suh Yong
Department Of Biological And Environmental Chemistry Institute Of Agricultural Science And Technolog
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