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J Bacteriol. 1985 March; 161(3): 1029-1033

Pyrimidine deoxyribonucleotide metabolism in Acholeplasma laidlawii B-PG9.

M V Williams and J D Pollack

ABSTRACT

Extracts of Acholeplasma laidlawii B-PG9 were examined for the enzymes associated with the interconversion of the pyrimidine deoxyribonucleotides and the biosynthesis of thymidine nucleotides. A. laidlawii B-PG9 possessed deaminases for deoxycytidine and dCMP, pyrophosphatases for dUTP, phosphorylases for thymidine and uridine, and a membrane-associated pyrimidine deoxyribonucleoside monophosphate phosphatase activity. The role these enzyme activities have in the generation of deoxyribose-1-phosphate during growth may explain the ability of A. laidlawii B-PG9 to utilize either thymine or thymidine for biosynthesis.

J Bacteriol. 1985 March; 161(3): 1029-1033






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Appl. Environ. Microbiol. Infect. Immun. Eukaryot. Cell
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