Journal
BIOCHEMISTRY-MOSCOW
Volume 67, Issue 7, Pages 778-785Publisher
MAIK NAUKA/INTERPERIODICA
DOI: 10.1023/A:1016348724308
Keywords
Planotetraspora; Herbidospora; Actinocorallia; cell wall; poly(glycerol phosphate); poly(glycosylglycerol phosphate); sulfate; NMR spectroscopy
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The structures of cell wall teichoic acids of the members of newly recognized genera of the order Actinomycetales were studied. Planoletraspora mira VKM Ac-2000(T) contains two types of teichoic acids: 2,3-poly(glycerol phosphate) substituted with alpha-D-Galp at C-1 of glycerol and 1,3-poly(glycerol phosphate) Substituted with alpha-L-Rhap at OH-2 of glycerol (60%). Herbidospora cretacea VKM Ac-1997(T) contains the chains of 1,3-poly(glycerol phosphate) partially substituted with alpha-D-Galp and alpha-D-GalpNAc at C-2 of glycerol. The majority of a-D-galactopyranosyl residues are substituted at OH-3 with a sulfate. The aforementioned teichoic acids have not been found in bacteria thus far. Actinocorallia herbida VKM Ac-1994(T) contains poly(galactosylglycerol phosphate), with the beta-Galp-(1-->2)-Gro-P repeating units being linked via the phosphodiester bonds between the OH-3 of glycerol and OH-6 of galactose. Earlier, this structure was found in the cell wall of Actinomadura madura. The polymer structures were determined by chemical analysis and using C-13-NMR spectroscopy. The results show that teichoic acids are widespread in the order Actinomycetales.
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