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The tar genes directing the synthesis of poly(ribitol phosphate), the main teichoic acid in Bacillus subtilis strain W23, were sequenced. They are organized in two divergently transcribed operons, tarABIJKL and tarDF, as are the tag genes specifying poly(glycerol phosphate) synthesis in B. subtilis 168. The features of the tar genes as well as the putative(More)
A biochemical analysis was undertaken of thermosensitive mutants of Bacillus subtilis 168 harbouring mutations in several tag genes, involved in the synthesis of the major wall teichoic acid, poly(glycerol phosphate), poly(groP). Incorporation of a pulse of [2-3H]glycerol into whole cells, following shift to the restrictive growth temperature, was used to(More)
Assays of CDP-glycerol:poly(glycerophosphate) glycerophosphotransferase (CGPTase) (EC 2.7.8.12) in membranes isolated from Bacillus subtilis 168 wild type and 11 strains bearing conditional lethal thermosensitive mutations in tagB, tagD, or tagF revealed that CGPTase deficiency was associated only with mutant tagF alleles. In vitro, thermosensitivity of(More)
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