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Esr analysis of the effect of butanol on the membrane fluidity of intact cells of clostridium acetobutylicum

Esr analysis of the effect of butanol on the membrane fluidity of intact cells of clostridium acetobutylicum

Applied & Environmental Microbiology 55(10): 2729-2731

Analysis of electron spin resonance spectra of 5-doxyl stearic acid in aqueous suspensions of Clostridium acetobutylicum ATCC 824 and the butanol-tolerant SA-2 derivative during a small-scale fermentation at three different butanol challenge levels indicated that the SA-2 strain is able to respond to the physical fluidizing effect of high (1.5%) butanol challenge by reducing its membrane fluidity at 12 and 30 h. The wild-type 824 strain was unable to so respond when challenged at the 1.5% levels.

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Accession: 007312241

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