The structure of the teichoic acid from the cell wall of Act. rimous LCT-118 producing the antibiotic oxytetracycline is stuted. The polymer consists of 10 glycerol units linked in phosphodiester bonds of 1,3-type. Three O-acetyl groups are attached to the polymer through ester linkades. It is established that one chain of teichoic acid corresponds to 20 units of muramic acid of glycopeptide. The cell wall contains 2.3% (of dry weight) O-acetyl groups which are bound with techoic acids and some other compounds. The estimation of aminosugars content is based on the estimation of N-acetyl groups.
structure, cell wall, teichoic acid, Actinomyces
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