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A Genome-Scale Proteomic Screen Identifies a Role for DnaK in Chaperoning of Polar Autotransporters in<i>Shigella</i>

15 Aug 2009

Abstract excerpt

Autotransporters are outer membrane proteins that are widely distributed among gram-negative bacteria. Like other autotransporters, the Shigella autotransporter IcsA, which is required for actin assembly during infection, is secreted at the bacterial pole. In the bacterial cytoplasm, IcsA localizes to poles and potential cell division sites independent of the cell division protein FtsZ. To identify bacterial...

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PMID: 19684128
DOI: 10.1128/jb.00833-09

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Related research

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A Genome-Scale Proteomic Screen Identifies a Role for DnaK in Chaperoning of Polar Autotransporters in<i>Shigella</i>PMID 19684128Read ↗

IcsA, a polarly localized autotransporter with an atypical signal peptide, uses the Sec apparatus for secretion, although the Sec apparatus is circumferentially distributed.Semantic proximity Read ↗

Cytoplasmic targeting of IpaC to the bacterial pole directs polar type III secretion in Shigella.Semantic proximity Read ↗

The use of Shigella flexneri to study bacterial cell biology during infection of host cellsSemantic proximity Read ↗

Contribution of the periplasmic chaperone Skp to efficient presentation of the autotransporter IcsA on the surface of Shigella flexneri.Semantic proximity Read ↗

Topology and contribution to the pore channel lining of plasma membrane-embedded <i>S. flexneri</i> type 3 secretion translocase IpaBSemantic proximity Read ↗

Steps for Shigella Gatekeeper Protein MxiC Function in Hierarchical Type III Secretion Regulation.Semantic proximity Read ↗

A translocation-competent pore is required for <i>Shigella flexneri</i> to escape from the double membrane vacuole during intercellular spreadSemantic proximity Read ↗

IcsA surface presentation in Shigella flexneri requires the periplasmic chaperones DegP, Skp, and SurA.Semantic proximity Read ↗

The needle component of the type III secreton of Shigella regulates the activity of the secretion apparatus.Semantic proximity Read ↗

MxiA, MxiC and IpaD Regulate Substrate Selection and Secretion Mode in the T3SS of Shigella flexneri.Semantic proximity Read ↗

Topological analysis of the type 3 secretion system translocon pore protein IpaC following its native delivery to the plasma membrane during infectionSemantic proximity Read ↗

Absence of O antigen suppresses Shigella flexneri IcsA autochaperone region mutations.Semantic proximity Read ↗

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