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1. (Article ID: 1779)
 
Gnilozub VA, Streshinskaya GM, Evtushenko LI, Naumova IB, Shashkov AS
1,5-Poly(ribitol phosphate) with tetrasaccharide substituent in the cell wall of Agromyces fucosus ssp. hippuratus
Biochemistry (Moscow) 59 (1994) 1419-1424
 

Cell walls of Agromyces fucosus ssp. hippuratus VKM Ac-1352T and VKM Ac-1353 contain teichoic acids of identical structure. The polymer is of a 1.5-poly(ribitol phosphate) type. Each ribitol phosphate residue is substituted at C-4(2) by tetrasaccharide having the following structure: α-L-Rhap(1→3)-α-L-Rhap-(1→3)-β-D-GlcpNAc-(1→2)-α-L-Rhap-(1→. The teichoic acid chain is made up by 12-13 repeating units. No structurally identical polymer of the procaryotic cell wall has so far been reported.

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2. (Article ID: 4451)
 
Naumova IB, Shashkov AS
Anionic polymers in cell walls of Gram-positive bacteria
Biochemistry (Moscow) 62(8) (1997) 809-840
 

Information on the prevalence, compositions, and structures of anionic carbohydrate-containing polymers of cell walls of Gram-positive bacteria is summarized. The data suggest that these polymers are important for normal functioning of bacterial cells and require further studies. Structural data on teichoic acids found in the literature published over the last few years are discussed. This is a very diverse class of polymers whose structure-specific pathways of degradation were studied and NMR spectra were examined. Unique comprehensive tables of 13C-NMR spectroscopic data (mainly obtained by the authors) on these polymers are given in the Appendix. Other tables summarize data on teichuronic acids, sugar-phosphate polymers, acid polysaccharides, and structural variants of bonds between acid polysaccharides and peptidoglycans known from the literature. Functions of anionic polymers and their possible chemotaxonomic applications are discussed

13C-NMR, NMR, structure, cell wall, composition, teichoic acid, teichuronic acid, Gram-positive, gram-positive bacteria, taxonomy

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