Abstract
A circular genetic map of Bacillus stearothermophilus NUB36 was constructed by transduction with bacteriophage TP-42C and protoplast fusion. Sixty-four genes were tentatively assigned a cognate Bacillus subtilis gene based on growth response to intermediates or end products of metabolism, cross-feeding, accumulation of intermediates, or their relative order in a linkage group. Although the relative position of many genes on the Bacillus stearothermophilus and Bacillus subtilis genetic map appears to be similar, some differences were detected. The tentative order of the genes in the Bacillus stearothermophilus aro region is aspB-aroBAFEC-tyrA-hisH-(trp), whereas it is aspB-aroE-tyrA-hisH-(trp)-aroHBF in Bacillus subtilis. The aroA, aroC, and aroG genes in Bacillus subtilis are located in another region. The tentative order of genes in the trp operon of Bacillus stearothermophilus is trpFCDABE, whereas it is trpABFCDE in Bacillus subtilis.
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Selected References
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