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Title: Polyphosphate and associated enzymes as global regulators of stress response and virulence in Campylobacter jejuni

Journal Article · · World Journal of Gastroenterology
 [1];  [2];  [3];  [3]
  1. The Ohio State Univ., Columbus, OH (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Indiana Univ. School of Medicine, Indianapolis, IN (United States)
  3. The Ohio State Univ., Columbus, OH (United States)

Campylobacter jejuni (C. jejuni), a Gram-negative microaerophilic bacterium, is a predominant cause of bacterial foodborne gastroenteritis in humans worldwide. Despite its importance as a major foodborne pathogen, our understanding of the molecular mechanisms underlying C. jejuni stress survival and pathogenesis is limited. Inorganic polyphosphate (poly P) has been shown to play significant roles in bacterial resistance to stress and virulence in many pathogenic bacteria. C. jejuni contains the complete repertoire of enzymes required for poly P metabolism. Recent work in our laboratory and others have demonstrated that poly P controls a plethora of C. jejuni properties that impact its ability to survive in the environment as well as to colonize/infect mammalian hosts. This review article summarizes the current literature on the role of poly P in C. jejuni stress survival and virulence and discusses on how poly P-related enzymes can be exploited for therapeutic/prevention purposes. Additionally, the review article identifies potential areas for future investigation that would enhance our understanding of the role of poly P in C. jejuni and other bacteria, which ultimately would facilitate design of effective therapeutic/preventive strategies to reduce not only the burden of C. jejuni-caused foodborne infections but also of other bacterial infections in humans.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Agriculture and Food Research Initiative (AFRI)
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1628601
Journal Information:
World Journal of Gastroenterology, Vol. 22, Issue 33; ISSN 1007-9327
Publisher:
Baishideng Publishing Group Inc.Copyright Statement
Country of Publication:
United States
Language:
English

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