Operon structure of flagellar genes in Salmonella typhimurium

Kazuhiro Kutsukake, Yoshikazu Ohya, Shigeru Yamaguchi, Tetsuo Iino

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

In Salmonella typhimurium, more than 40 genes have been shown to be involved in flagellar formation and function and almost all of them have been assigned to three regions of the chromosome, termed region I, region II, and region III. In the present study, a large number of transposon-insertion mutants in these flagellar genes were isolated using Tn 10 and Mu d1. The flaV gene was found to be a strong hot spot for Tn 10 insertion. Complementation analysis of the polarity effects exerted by the transposon-insertion mutants defined 13 different flagellar operons; 3 in region I, 4 in region II, and 6 in region III. These results are compared with the reported arrangement of the corresponding genes in Escherichia coli.

Original languageEnglish
Pages (from-to)11-15
Number of pages5
JournalMGG Molecular & General Genetics
Volume214
Issue number1
DOIs
Publication statusPublished - Sep 1 1988

Keywords

  • Complementation analysis
  • Flagellar genes
  • Flagellar operons
  • Polar effect
  • Transposon

ASJC Scopus subject areas

  • Genetics

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