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Trade-offs for viruses in overcoming innate immunities in plants

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Title: Trade-offs for viruses in overcoming innate immunities in plants
Authors: Miyashita, Yuri Browse this author
Atsumi, Go Browse this author
Nakahara, Kenji S. Browse this author →KAKEN DB
Issue Date: Aug-2016
Publisher: American Phytopathological Society(APS)
Journal Title: Molecular Plant-Microbe Interactions
Volume: 29
Issue: 8
Start Page: 595
End Page: 598
Publisher DOI: 10.1094/MPMI-05-16-0103-CR
PMID: 27294885
Abstract: Plants recognize viral infection via an immune receptor: nucleotide-binding site (NB)-leucine-rich repeat(LRR)proteins.Another immune receptor, receptor-like kinase/proteins, which share an LRR domain with NB-LRRs, perceive conserved molecules of pathogens called pathogen-or microbe-associated molecular patterns, but NB-LRRs generally perceive particular viral proteins. As viruses can evolve more rapidly than the host immune system, how do plant immune systems, which rely on the perception of proteins, remain effective? Viral adaptive evolution may be controlled by penalties that result from mutations in viral proteins that are perceived by NB-LRRs. Our recent studies in pea(Pisums ativum)suggest a penalty of increased susceptibility to another immune system: when a viral protein mutates to evade one immune system, the virus with the mutated protein becomes more susceptible to another. Such antagonistic pleiotropy of a viral protein by two independent plant immune systems may have precedents. Plants may rely on pairs of immune systems to constrain adaptive evolution by viruses and thereby maintain durable antiviral immunity.
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Rights: Reprinted from [Yuri Miyashita, Go Atsumi, Kenji S. Nakahara], [2016], [Trade-offs for viruses in overcoming innate immunities in plants], [Molecular Plant-Microbe Interactions] [29(8)]:[595-598].
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中原 健二

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