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Article

The bacterial alarmone (p)ppGpp activates the type III secretion system in Erwinia amylovora.

Journal of bacteriology - 1 Apr 2015

Ancona Veronica, Lee Jae Hoon, Chatnaparat Tiyakhon, Oh Jinrok, Hong Jong-In, Zhao Youfu

Abstract excerpt

UNLABELLED: The hypersensitive response and pathogenicity (hrp) type III secretion system (T3SS) is a key pathogenicity factor in Erwinia amylovora. Previous studies have demonstrated that the T3SS in E. amylovora is transcriptionally regulated by a sigma factor cascade. In this study, the role of the bacterial alarmone ppGpp in activating the T3SS and virulence of E. amylovora was investigated using ppGpp...

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Identifiers

PMID: 25666138
DOI: 10.1128/JB.02551-14
PMCID: PMC4372747

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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