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A Small Cysteine-Rich Protein from the Asian Soybean Rust Fungus,Phakopsora pachyrhizi,Suppresses Plant Immunity
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نویسنده
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qi m. ,link t.i. ,müller m. ,hirschburger d. ,pudake r.n. ,pedley k.f. ,braun e. ,voegele r.t. ,baum t.j. ,whitham s.a.
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منبع
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plos pathogens - 2016 - دوره : 12 - شماره : 9
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چکیده
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The asian soybean rust fungus,phakopsora pachyrhizi,is an obligate biotrophic pathogen causing severe soybean disease epidemics. molecular mechanisms by which p. pachyrhizi and other rust fungi interact with their host plants are poorly understood. the genomes of all rust fungi encode many small,secreted cysteine-rich proteins (sscrp). while these proteins are thought to function within the host,their roles are completely unknown. here,we present the characterization of p. pachyrhizi effector candidate 23 (ppec23),a sscrp that we show to suppress plant immunity. furthermore,we show that ppec23 interacts with soybean transcription factor gmspl12l and that soybean plants in which gmspl12l is silenced have constitutively active immunity,thereby identifying gmspl12l as a negative regulator of soybean defenses. collectively,our data present evidence for a virulence function of a rust sscrp and suggest that ppec23 is able to suppress soybean immune responses and physically interact with soybean transcription factor gmspl12l,a negative immune regulator. © 2016 public library of science. all rights reserved.
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آدرس
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department of plant pathology and microbiology,iowa state university,ames,ia, United States, institut für phytomedizin,universität hohenheim,stuttgart, Germany, institut für phytomedizin,universität hohenheim,stuttgart, Germany, institut für phytomedizin,universität hohenheim,stuttgart, Germany, amity institute of nanotechnology,amity university uttar pradesh,noida, India, foreign disease-weed science research unit,united states department of agriculture–agricultural research service,ft. detrick,md, United States, department of plant pathology and microbiology,iowa state university,ames,ia, United States, institut für phytomedizin,universität hohenheim,stuttgart, Germany, department of plant pathology and microbiology,iowa state university,ames,ia, United States, department of plant pathology and microbiology,iowa state university,ames,ia, United States
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Authors
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