Plant Pathology Journal1812-53871812-5425Asian Network for Scientific Information10.3923/ppj.2014.1.7NithyaA. GothandamK.M. BabuS. 12014131Outbreaks of illness due to human enteric pathogenic bacteria
via fresh vegetables warrant intensive research on changing strategies of these
bacteria in alterning their hosts for survival. The systemic infection of human
pathogenic bacteria in plants and the plant growth stage at which they establish
endophytic relationship is poorly understood. The issue is magnified in countries
like India where the dietary habits are changing and consumption of fresh fruits
and vegetables as salad has become a part in the everyday menu of most people.
Most of the human pathogenic enteric bacteria are generally characterized by
broad host ranges and these pathogens seem to exploit almost any change in human
ecology that provides new opportunities for transmission. Because plants are
not traditionally considered as hosts for human enteric pathogens, recent produce-associated
outbreaks highlight important deficiencies in our understanding of the ecology
of enteric pathogens outside of their human and animal hosts. This review focuses
on understanding the human enteric pathogens that have developed abilities to
colonize internal tissues of vegetables and fruits popularly consumed as salads,
how and when do they enter plants and where do they localize in plant tissues.
In addition, we have also highlighted the attempts made in detection and control
of these bacteria in plant hosts. This understanding will help develop strategies
towards vegetable food safety in a joint effort by agriculturalists, environmentalists,
food processing agencies, whole salers and retailers, which will ultimately
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