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Biochem J. 1990 Mar 15;266(3):933-6.

Loss of alkalophily in cell-wall-component-defective mutants derived from alkalophilic Bacillus C-125. Isolation and partial characterization of the mutants.

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  • 1Research Institute of Fermentation, Yamanashi University, Kofu, Japan.

Abstract

The cells of alkalophilic Bacillus sp. C-125 are shaped by peptidoglycan and enclosed by two acidic polymers (teichuronic acid and teichuronopeptide), which bind to the peptidoglycan. Three kinds of mutant strains defective in these acidic polymers were isolated from the strain C-125. These mutants grow poorly at alkaline pH to extents related to the degree of defect in the polymers, suggesting that these acidic polymers are essential for growth in an alkaline environment. These polymers may diminish penetration of hydroxide ions.

PMID:
2327977
[PubMed - indexed for MEDLINE]
PMCID:
PMC1131230
Free PMC Article
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