1992 Volume 56 Issue 1 Pages 48-53
A facultative alkaliphilic strain of Bacillus sp. C-125 grown at alkaline pH had many sinuous peritrichous flagella and was highly motile. However, most of the cells grown initially at pH 7 were non-motile and possessed few straight flagella. The amount of flagellin was when low when the organism was grown at pH 7, suggesting that non-motility is due to poor synthesis of flagellin. The molecular mass of the flagellin was 37kDa and the isoelectric point was pH 5.0. The amino acid composition of the flagellin was similar to that found in the flagellin from neutrophilic Bacillus subtilis 168.
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