Journal
PHYTOPATHOLOGY
Volume 103, Issue 4, Pages 316-325Publisher
AMER PHYTOPATHOLOGICAL SOC
DOI: 10.1094/PHYTO-11-12-0295-RVW
Keywords
foodborne pathogen; fruit; vegetable; phyllosphere; rhizosphere; enteric illness; microbe-microbe interactions
Categories
Funding
- USDA-NIFA AFRI [2011-67017-30127]
- United States Department of Agriculture, Agricultural Research Service CRIS [5325-42000-046]
- USDA-NIFA [2012-67012-19708]
- NIFA [578414, 2012-67012-19708] Funding Source: Federal RePORTER
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Brandl, M. T., Cox, C. E., and Teplitski, M. 2013. Salmonella interactions with plants and their associated microbiota. Phytopathology 103:316-325. The increase in the incidence of gastroenteritis outbreaks linked to the consumption of foods of plant origin has ignited public concern and scientific interest in understanding interactions of human enteric pathogens with plants. Enteric disease caused by nontyphoidal Salmonella is a major public health burden, with the number of cases of illness linked to fresh produce, spices, and nuts surpassing those linked to foods of animal origin. Mounting evidence supports the hypothesis that colonization of plants is an important part of the life cycle of this human pathogen. Although plant responses to human pathogens are distinct from the more specific responses to phytopathogens, plants appear to recognize Salmonella, likely by detecting conserved microbial patterns, which subsequently activates basal defenses. Numerous Salmonella genes have been identified as playing a role in its colonization of plant surfaces and tissues, and in its various interactions with other members of the phyto-microbial community. Importantly, Salmonella utilizes diverse and overlapping strategies to interact with plants and their microflora, and to successfully colonize its vertebrate hosts. This review provides insight into the complex behavior of Salmonella on plants and the apparent remarkable adaptation of this human pathogen to a potentially secondary host.
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