Bacillusamyloliquefacienssubsp.plantarumFZB42isaGram-positivemodelbacteriumforunravelingplant–microbeinteractionsinBacilli.Inaddition,FZB42isusedcommerciallyasbiofertilizerandbiocontrolagentinagriculture.GenomeanalysisofFZB42revealedthatnearly10%oftheFZB42genomeisdevotedtosynthesizingantimicrobialmetabolitesandtheircorrespondingimmunitygenes.However,recentinvestigationsinplantademonstratedthat–exceptsurfactin–theamountofsuchcompoundsfoundinvicinityofplantrootsisrelativelylow,makingdoubtfuladirectfunctioninsuppressingcompetingmicrofloraincludingplantpathogens.Thesemetaboliteshavebeenalsosuspectedtoinducechangeswithintherhizospheremicrobialcommunity,whichmightaffectenvironmentandplanthealth.However,sequenceanalysisofrhizospheresamplesrevealedonlymarginalchangesintherootmicrobiome,suggestingthatsecondarymetabolitesarenotthekeyfactorinprotectingplantsfrompathogenicmicroorganisms.Ontheotherhand,addingFZB42toplantscompensate,atleastinpart,changesinthecommunitystructurecausedbythepathogen,indicatinganinterestingmechanismofplantprotectionbybeneficialBacilli.Sub-lethalconcentrationsofcycliclipopeptidesandvolatilesproducedbyplant-associatedBacillitriggerpathwaysofinducedsystemicresistance(ISR),whichprotectplantsagainstattacksofpathogenicmicrobes,viruses,andnematodes.StimulationofISRbybacterialmetabolitesislikelythemainmechanismresponsibleforbiocontrolactionofFZB42.
Keywords: Bacillusamyloliquefaciensplantarum, FZB42,inducedsystemicresistance(ISR),non-ribosomal
Bacillusamyloliquefacienssubsp.plantarumFZB42isaGram-positivemodelbacteriumforunravelingplant–microbeinteractionsinBacilli.Inaddition,FZB42isusedcommerciallyasbiofertilizerandbiocontrolagentinagriculture.GenomeanalysisofFZB42revealedthatnearly10%oftheFZB42genomeisdevotedtosynthesizingantimicrobialmetabolitesandtheircorrespondingimmunitygenes.However,recentinvestigationsinplantademonstratedthat–exceptsurfactin–theamountofsuchcompoundsfoundinvicinityofplantrootsisrelativelylow,makingdoubtfuladirectfunctioninsuppressingcompetingmicrofloraincludingplantpathogens. Thesemetaboliteshavebeenalsosuspectedtoinducechangeswithintherhizospheremicrobialcommunity, whichmightaffectenvironmentandplanthealth อย่างไรก็ตาม sequenceanalysisofrhizospheresamplesrevealedonlymarginalchangesintherootmicrobiome, suggestingthatsecondarymetabolitesarenotthekeyfactorinprotectingplantsfrompathogenicmicroorganisms Ontheotherhand,addingFZB42toplantscompensate,atleastinpart,changesinthecommunitystructurecausedbythepathogen,indicatinganinterestingmechanismofplantprotectionbybeneficialBacilli.Sub-lethalconcentrationsofcycliclipopeptidesandvolatilesproducedbyplant-associatedBacillitriggerpathwaysofinducedsystemicresistance(ISR),whichprotectplantsagainstattacksofpathogenicmicrobes,viruses,andnematodes. StimulationofISRbybacterialmetabolitesislikelythemainmechanismresponsibleforbiocontrolactionofFZB42คำสำคัญ: Bacillusamyloliquefaciensplantarum, FZB42, inducedsystemicresistance (ISR), ที่ไม่ใช่ ribosomal
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Bacillusamyloliquefacienssubsp.plantarumFZB42isaGram-positivemodelbacteriumforunravelingplant–microbeinteractionsinBacilli.Inaddition,FZB42isusedcommerciallyasbiofertilizerandbiocontrolagentinagriculture.GenomeanalysisofFZB42revealedthatnearly10%oftheFZB42genomeisdevotedtosynthesizingantimicrobialmetabolitesandtheircorrespondingimmunitygenes.However,recentinvestigationsinplantademonstratedthat–exceptsurfactin–theamountofsuchcompoundsfoundinvicinityofplantrootsisrelativelylow,makingdoubtfuladirectfunctioninsuppressingcompetingmicrofloraincludingplantpathogens.Thesemetaboliteshavebeenalsosuspectedtoinducechangeswithintherhizospheremicrobialcommunity,whichmightaffectenvironmentandplanthealth.However,sequenceanalysisofrhizospheresamplesrevealedonlymarginalchangesintherootmicrobiome,suggestingthatsecondarymetabolitesarenotthekeyfactorinprotectingplantsfrompathogenicmicroorganisms.Ontheotherhand,addingFZB42toplantscompensate,atleastinpart,changesinthecommunitystructurecausedbythepathogen,indicatinganinterestingmechanismofplantprotectionbybeneficialBacilli.Sub-lethalconcentrationsofcycliclipopeptidesandvolatilesproducedbyplant-associatedBacillitriggerpathwaysofinducedsystemicresistance(ISR),whichprotectplantsagainstattacksofpathogenicmicrobes,viruses,andnematodes.StimulationofISRbybacterialmetabolitesislikelythemainmechanismresponsibleforbiocontrolactionofFZB42.
Keywords: Bacillusamyloliquefaciensplantarum, FZB42, inducedsystemicresistance (ISR) ไม่ใช่ไรโบโซม
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bacillusamyloliquefacienssubsp . plantarumfzb42isagram positivemodelbacteriumforunravelingplant – microbeinteractionsinbacilli และ fzb42isusedcommerciallyasbiofertilizerandbiocontrolagentinagriculture . genomeanalysisoffzb42revealedthatnearly10 % ofthefzb42genomeisdevotedtosynthesizingantimicrobialmetabolitesandtheircorrespondingimmunitygenes อย่างไรก็ตาม recentinvestigationsinplantademonstratedthat – exceptsurfactin – theamountofsuchcompoundsfoundinvicinityofplantrootsisrelativelylow makingdoubtfuladirectfunctioninsuppressingcompetingmicrofloraincludingplantpathogens , . thesemetaboliteshavebeenalsosuspectedtoinducechangeswithintherhizospheremicrobialcommunity whichmightaffectenvironmentandplanthealth sequenceanalysisofrhizospheresamplesr , อย่างไรก็ตาม evealedonlymarginalchangesintherootmicrobiome suggestingthatsecondarymetabolitesarenotthekeyfactorinprotectingplantsfrompathogenicmicroorganisms , . ontheotherhand addingfzb42toplantscompensate atleastinpart changesinthecommunitystructurecausedbythepathogen , , , , indicatinganinterestingmechanismofplantprotectionbybeneficialbacilli . associatedbacillitriggerpathwaysofinducedsystemicresistance lethalconcentrationsofcycliclipopeptidesandvolatilesproducedbyplant ย่อย ( ISR ) whichprotectplantsagainstattacksofpathogenicmicrobes , ไวรัส , andnematodes.stimulationofisrbybacterialmetabolitesislikelythemainmechanismresponsibleforbiocontrolactionoffzb42 .คำสำคัญ : bacillusamyloliquefaciensplantarum fzb42 inducedsystemicresistance , , ( ISR ) , ไม่ไรโบโซมอล
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