Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity

Plants must balance both beneficial (symbiotic) and pathogenic challenges from microorganisms, the former benefitting the plant and agriculture and the latter causing disease and economic harm. Plant innate immunity describes a highly conserved set of defense mechanisms that play pivotal roles in se...

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Main Authors: Li Ji, Xiangrui Yang, Feifei Qi
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/18/10427
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author Li Ji
Xiangrui Yang
Feifei Qi
author_facet Li Ji
Xiangrui Yang
Feifei Qi
author_sort Li Ji
collection DOAJ
description Plants must balance both beneficial (symbiotic) and pathogenic challenges from microorganisms, the former benefitting the plant and agriculture and the latter causing disease and economic harm. Plant innate immunity describes a highly conserved set of defense mechanisms that play pivotal roles in sensing immunogenic signals associated with both symbiotic and pathogenic microbes and subsequent downstream activation of signaling effector networks that protect the plant. An intriguing question is how the innate immune system distinguishes “friends” from “foes”. Here, we summarize recent advances in our understanding of the role and spectrum of innate immunity in recognizing and responding to different microbes. In addition, we also review some of the strategies used by microbes to manipulate plant signaling pathways and thus evade immunity, with emphasis on the use of effector proteins and micro-RNAs (miRNAs). Furthermore, we discuss potential questions that need addressing to advance the field of plant–microbe interactions.
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spelling doaj.art-19ccda3e5657483eb7aa269c644cc2862023-11-23T16:41:29ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-09-0123181042710.3390/ijms231810427Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant ImmunityLi Ji0Xiangrui Yang1Feifei Qi2Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan 250014, ChinaShandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan 250014, ChinaShandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan 250014, ChinaPlants must balance both beneficial (symbiotic) and pathogenic challenges from microorganisms, the former benefitting the plant and agriculture and the latter causing disease and economic harm. Plant innate immunity describes a highly conserved set of defense mechanisms that play pivotal roles in sensing immunogenic signals associated with both symbiotic and pathogenic microbes and subsequent downstream activation of signaling effector networks that protect the plant. An intriguing question is how the innate immune system distinguishes “friends” from “foes”. Here, we summarize recent advances in our understanding of the role and spectrum of innate immunity in recognizing and responding to different microbes. In addition, we also review some of the strategies used by microbes to manipulate plant signaling pathways and thus evade immunity, with emphasis on the use of effector proteins and micro-RNAs (miRNAs). Furthermore, we discuss potential questions that need addressing to advance the field of plant–microbe interactions.https://www.mdpi.com/1422-0067/23/18/10427hormoneinnate immunityplant–microbe interactionsymbiosissRNA
spellingShingle Li Ji
Xiangrui Yang
Feifei Qi
Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
International Journal of Molecular Sciences
hormone
innate immunity
plant–microbe interaction
symbiosis
sRNA
title Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
title_full Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
title_fullStr Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
title_full_unstemmed Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
title_short Distinct Responses to Pathogenic and Symbionic Microorganisms: The Role of Plant Immunity
title_sort distinct responses to pathogenic and symbionic microorganisms the role of plant immunity
topic hormone
innate immunity
plant–microbe interaction
symbiosis
sRNA
url https://www.mdpi.com/1422-0067/23/18/10427
work_keys_str_mv AT liji distinctresponsestopathogenicandsymbionicmicroorganismstheroleofplantimmunity
AT xiangruiyang distinctresponsestopathogenicandsymbionicmicroorganismstheroleofplantimmunity
AT feifeiqi distinctresponsestopathogenicandsymbionicmicroorganismstheroleofplantimmunity