Can Plant Viruses Cross the Kingdom Border and Be Pathogenic to Humans?
AbstractPhytoviruses are highly prevalent in plants worldwide, including vegetables and fruits. Humans, and more generally animals, are exposed daily to these viruses, among which several are extremely stable. It is currently accepted that a strict separation exists between plant and vertebrate viruses regarding their host range and pathogenicity, and plant viruses are believed to infect only plants. Accordingly, plant viruses are not considered to present potential pathogenicity to humans and other vertebrates. Notwithstanding these beliefs, there are many examples where phytoviruses circulate and propagate in insect vectors. Several issues are raised here that question if plant viruses might further cross the kingdom barrier to cause diseases in humans. Indeed, there is close relatedness between some plant and animal viruses, and almost identical gene repertoires. Moreover, plant viruses can be detected in non-human mammals and humans samples, and there are evidence of immune responses to plant viruses in invertebrates, non-human vertebrates and humans, and of the entry of plant viruses or their genomes into non-human mammal cells and bodies after experimental exposure. Overall, the question raised here is unresolved, and several data prompt the additional extensive study of the interactions between phytoviruses and non-human mammals and humans, and the potential of these viruses to cause diseases in humans. View Full-Text
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Balique, F.; Lecoq, H.; Raoult, D.; Colson, P. Can Plant Viruses Cross the Kingdom Border and Be Pathogenic to Humans? Viruses 2015, 7, 2074-2098.
Balique F, Lecoq H, Raoult D, Colson P. Can Plant Viruses Cross the Kingdom Border and Be Pathogenic to Humans? Viruses. 2015; 7(4):2074-2098.Chicago/Turabian Style
Balique, Fanny; Lecoq, Hervé; Raoult, Didier; Colson, Philippe. 2015. "Can Plant Viruses Cross the Kingdom Border and Be Pathogenic to Humans?" Viruses 7, no. 4: 2074-2098.