Gene product identification and promoter analysis of hig locus of plasmid Rts1

Qing Bao Tian, Tetsuya Hayashi, Takahiro Murata, Yoshiro Terawaki

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The hig (host inhibition of growth) genes of plasmid Rts1 belong to the plasmid-encoded proteic killer gene family. Compared with other proteic killer genes described so far, hig is unique in that the toxic part (higB) exists upstream of the antidote gene (higA). Here we describe results of the promoter analysis of hig genes together with identification of the proteic gene products of higA and higB. Two promoters were identified in the hig locus; a stronger one, named Phig, is located upstream of higB and a weaker one, PhigA, is upstream of higA within the higB coding region. The Phig activity was negatively regulated by HigA and this regulation was augmented by HigB, whereas PhigA was not subjected to such a regulation.

Original languageEnglish
Pages (from-to)679-684
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume225
Issue number2
DOIs
Publication statusPublished - Aug 14 1996
Externally publishedYes

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Plasmids
Genes
Growth
Antidotes
Poisons

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Gene product identification and promoter analysis of hig locus of plasmid Rts1. / Tian, Qing Bao; Hayashi, Tetsuya; Murata, Takahiro; Terawaki, Yoshiro.

In: Biochemical and Biophysical Research Communications, Vol. 225, No. 2, 14.08.1996, p. 679-684.

Research output: Contribution to journalArticle

Tian, Qing Bao ; Hayashi, Tetsuya ; Murata, Takahiro ; Terawaki, Yoshiro. / Gene product identification and promoter analysis of hig locus of plasmid Rts1. In: Biochemical and Biophysical Research Communications. 1996 ; Vol. 225, No. 2. pp. 679-684.
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