Are plant pathogens belonging to same strain affecting both humans and animals?
Biswajit Jena this question has been discussed in RG several times before.
Yes, there are several examples of human infection by plant pathogens, including fungi (for instance: Fusarium solani, F. oxysporum), bacteria (Pantoea, Burkholderia, Serratia, Klebsiella, Agrobacterium, Listeria), cases of virus infection are controversial. Animal pathogens (enterobacteria, some viruses were identified by RNAseq) are common in plants without disease symptoms
Yes, particularly in people with suppressed immune systems (Hi Alex!). There is a lot of information about this online.
Yes, Nina Shishkoff (Hi Nina!) is right, it is common for people with suppressed immune systems . I believe that the first information about animals infection by bacterial plant pathogens could be from the cases of antisera preparation agains alive bacteria. I remember old reports about rabbits sepsis after Pectobacterium carotovorum, Agrobacterium tumefaciens injection. Our group had a repeatable rabbit death after injection of one particular Xanthomonas campestris strain.
If we consider Serratia marcesens as plant pathogen (it is a pathogen of cucurbits, sunflower and some other plants), the case of S. marcescens application at 1950 in San Francisco Bay Area can be one of the first widely known case of human infection by plant pathogenic / saprophitic bacterium.
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