... repression of genes involved in central carbon metabolism and purine/pyrimidine biosynthesis in B subtilis was said to occur independently of relA, and, therefore, presumably also of ppGpp synthesis, in ... proteome/transcriptome analysis of the response of Bacillus subtilis to ppGpp synthesis induced in exponentially growing cells by addition of the leucyl- and isoleucyl-tRNA aminoacylation inhibitor DL-norvaline reported ... biosynthesis, ATP synthesis, fatty acid biosynthesis, purine/pyrimidine biosynthesis, co-factor production and amino acid biosynthesis were also repressed This suggests an extended role for ppGpp...