期刊
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
卷 96, 期 4, 页码 377-394出版社
SPRINGER
DOI: 10.1007/s10482-009-9378-8
关键词
Campylobacter jejuni; VBNC; Abiotic stress; Bacterial thermodynamics; Cell division; Environment; Gene expression; Foodborne illness; Growth; Nutrient stress; Phase changes; Survival
类别
Culture-based isolation and enumeration of bacterial human pathogens from environmental and human food samples has significant limitations. Many pathogens enter a viable but non-culturable (VBNC) state in response to stress, and cannot be detected via culturing methods. Favourable growth conditions with a source of energy and an ideal stoichiometric ratio of carbon to inorganic elements can reverse this VBNC state. This review will focus on the bacterium Campylobacter jejuni which is a leading cause of food borne illness in the developed world. C. jejuni can enter a VBNC state in response to extremes in: pH, moisture content, temperature, nutrient content and salinity. Once in a VBNC state, the organism must maintain an energy balance from substrate oxidation through respiration to grow, divide and remain viable. The goal of this review is a greater understanding of how abiotic stress and thermodynamics influence the viability of C. jejuni.
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