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Article

AraC/XylS family members, HilD and HilC, directly activate virulence gene expression independently of HilA in Salmonella typhimurium

15 Jan 2003

Abstract excerpt

Salmonella typhimurium is a Gram-negative enteric pathogen that can infect intestinal epithelial cells and induce inflammation of the intestinal mucosa. These processes are mediated by a type III secretion system (TTSS), which is encoded on Salmonella pathogenicity island 1 (SPI1). Previous studies showed that four SPI1-encoded transcriptional regulators, HilD, HilC, HilA and InvF, act in an ordered fashion to...

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PMID: 12535071
DOI: 10.1046/j.1365-2958.2003.03322.x

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AraC/XylS family members, HilD and HilC, directly activate virulence gene expression independently of HilA in Salmonella typhimuriumPMID 12535071Read ↗

Two AraC/XylS family members can independently counteract the effect of repressing sequences upstream of the hilA promoter.Semantic proximity Read ↗

Transcription of theSalmonellaInvasion Gene Activator,hilA, Requires HilD Activation in the Absence of Negative RegulatorsSemantic proximity Read ↗

Roles of hilC and hilD in regulation of hilA expression in Salmonella enterica serovar Typhimurium.Semantic proximity Read ↗

A HilA-independent pathway to Salmonella typhimurium invasion gene transcription.Semantic proximity Read ↗

HilD, HilC, and RtsA Form Homodimers and Heterodimers To Regulate Expression of the Salmonella Pathogenicity Island I Type III Secretion SystemSemantic proximity Read ↗

HilE Interacts with HilD and Negatively Regulates hilA Transcription and Expression of the Salmonella enterica Serovar Typhimurium Invasive PhenotypeSemantic proximity Read ↗

HilE Regulates HilD by Blocking DNA Binding in Salmonella enterica Serovar Typhimurium.Semantic proximity Read ↗

Delineation of the Salmonella enterica serovar Typhimurium HilA regulon through genome-wide location and transcript analysis.Semantic proximity Read ↗

The HilA Box and Sequences outside It Determine the Magnitude of HilA-Dependent Activation of P prgH from Salmonella Pathogenicity Island 1Semantic proximity Read ↗

Identification and characterization of mutants with increased expression of hilA, the invasion gene transcriptional activator of Salmonella typhimurium.Semantic proximity Read ↗

<i>Salmonella</i> SirA is a global regulator of genes mediating enteropathogenesisSemantic proximity Read ↗

Mlc regulation of Salmonella pathogenicity island I gene expression via hilE repression.Semantic proximity Read ↗

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