Cell-wall Teichuronic Acid Containing 3-O-Methylrhamnose and Glucuronic Acid in Catellatospora ferruginea, a Soil Actinomycete(Microbiology & Fermentation Industry)

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In our previous study, 3-O-methylrhamnose (acofriose) was found in strains containing MK-10 as the major menaquinone in the genus Catellatospora. The localization of this taxonomically important sugar was investigated with C. ferruginea 6257-C. This strain had two types of cell-wall polysaccharides, neutral and acidic, which were covalently bonded to the peptidoglycan. 3-O-methylrhamnose was strictly localized in the acidic polysaccharide which predominantly contained glucuronic acid. Thus, this acidic polysaccharide can be called a cell-wall teichuronic acid and this is the first report of teichuronic acid in spore-forming actinomycetes. This teichuronic acid did not replace teichoic acid which contained phosphate instead of uronic acid, despite the high phosphate concentrations in the growth medium.
社団法人日本農芸化学会の論文
1990-05-23