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Transcription of theSalmonellaInvasion Gene Activator,hilA, Requires HilD Activation in the Absence of Negative Regulators

2 Jan 2003

Abstract excerpt

Salmonella enterica serovar Typhimurium causes human gastroenteritis and a systemic typhoid-like infection in mice. Infection is initiated by entry of the bacteria into intestinal epithelial cells and is mediated by a type III secretion system that is encoded by genes in Salmonella pathogenicity island 1. The expression of invasion genes is tightly regulated by environmental conditions such as oxygen and...

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PMID: 12511499
DOI: 10.1128/jb.185.2.525-533.2003

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Transcription of theSalmonellaInvasion Gene Activator,hilA, Requires HilD Activation in the Absence of Negative RegulatorsPMID 12511499Read ↗

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

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

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

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

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

Hha is a negative modulator of transcription of hilA, the Salmonella enterica serovar Typhimurium invasion gene transcriptional activator.Semantic proximity Read ↗

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

Lon Protease Activity Causes Down-Regulation of Salmonella Pathogenicity Island 1 Invasion Gene Expression after Infection of Epithelial CellsSemantic proximity Read ↗

Mutations influencing expression of the Salmonella enterica serovar Enteritidis pathogenicity island I key regulator hilA.Semantic proximity Read ↗

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

Control freaks—signals and cues governing the regulation of virulence in attaching and effacing pathogensSemantic proximity Read ↗

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