Disruption of type III secretion in Salmonella enterica serovar typhimurium by external guide sequences

Jeffrey S. McKinney, Haifeng Zhang, Tomoko Kubori, Jorge E. Galán, Sidney Altman

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The type III secretion system involved in Salmonella enterica serovar Typhimurium invasion of host cells has been disrupted using inducibly expressed oligonucleotide external guide sequences (EGSs) complementary to invB or invC mRNA. These EGSs direct single site cleavage in these mRNAs by endogenous RNase P, and their expression in Salmonella results in invC mRNA and InvC protein depletion, decreased type III secretion and interference with host cell invasion. Comparison of these effects with those from studies of Salmonella invB and invC mutants suggests that invB EGSs have polar effects on invC mRNA.

Original languageEnglish (US)
Pages (from-to)848-854
Number of pages7
JournalNucleic Acids Research
Volume32
Issue number2
DOIs
StatePublished - 2004
Externally publishedYes

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Salmonella enterica
Messenger RNA
Salmonella
Ribonuclease P
Oligonucleotides
Serogroup
Proteins

ASJC Scopus subject areas

  • Genetics

Cite this

Disruption of type III secretion in Salmonella enterica serovar typhimurium by external guide sequences. / McKinney, Jeffrey S.; Zhang, Haifeng; Kubori, Tomoko; Galán, Jorge E.; Altman, Sidney.

In: Nucleic Acids Research, Vol. 32, No. 2, 2004, p. 848-854.

Research output: Contribution to journalArticle

McKinney, Jeffrey S. ; Zhang, Haifeng ; Kubori, Tomoko ; Galán, Jorge E. ; Altman, Sidney. / Disruption of type III secretion in Salmonella enterica serovar typhimurium by external guide sequences. In: Nucleic Acids Research. 2004 ; Vol. 32, No. 2. pp. 848-854.
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