Coordinate synthesis of the enzymes of pyrimidine biosynthesis in Bacillus subtilis.
AUTOR(ES)
Paulus, T J
RESUMO
Strains of Bacillus subtilis that were resistant to repression of pyrimidine nucleotide biosynthetic enzymes were selected by isolating spontaneous uracil-tolerant derivatives of a uracil-sensitive strain, which lacks arginine-repressible carbamyl phosphate synthetase. The relative content of all six enzymes of uridylic acid biosynthesis de novo in these strains was in a constant ratio over a 10-fold range of derepression, which indicates that synthesis of these enzymes is coordinately regulated.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=216572Documentos Relacionados
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