The Bacillus subtilis spoIIG operon encodes both sigma E and a gene necessary for sigma E activation.

R. M. Jonas, E. A. Weaver, T. J. Kenney, C. P. Moran, W. G. Haldenwang

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

A sporulation-specific sigma factor of Bacillus subtilis (sigma E) is formed by a proteolytic activation of a precursor protein (P31). Synthesis of the precursor protein is shown to be abolished in B. subtilis mutants with plasmid insertions as far as 940 base pairs upstream of the P31 structural gene (sigE), and processing of P31 to sigma E is blocked by a deletion in this upstream region. These results substantiate the view that sigE is the distal member of a 2-gene operon and demonstrate that the upstream gene (spoIIGA) is necessary for sigma E formation.

Original languageEnglish (US)
Pages (from-to)507-511
Number of pages5
JournalJournal of bacteriology
Volume170
Issue number2
DOIs
StatePublished - Feb 1988

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology

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