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1 个结果
  • 简介:Droughtisoneofthemajorabioticstresseswhichadverselyaffectcropplantslimitinggrowthandyieldpotential.Structuralandfunctionalcharacterizationofdroughtstress-inducedgeneshascontributedtoabetterunderstandingofhowplantsrespondandadapttothedroughtstress.Inthepresentstudy,differentialdisplaytechniquewasemployedtostudythegeneexpressionofriceplantsatthereproductivestagethatweresubjectedtodroughtstressbywithholdingwater,Pseudomonasfluorescensstrain(Pf1)treatedplantssubjectedfordroughtstressbywithholdingwaterandcontrol(well-watered).DifferentiallyexpressedcDNAsofsixgenes(COX1,PKDP,bZIP1,AP2-EREBP,Hsp20andCOC1)wereidentified,clonedandsequenced.Real-timeqPCRanalysisshowedthatallthesixgeneswereupregulatedindrought-stressedplantstreatedwithPf1.ThisrevealedthattheremarkableinfluenceofPf1colonizationleadstodroughttoleranceatthereproductivestage.TheseresultsshowedthathighlevelsofgeneexpressioninplantslackingadequatewatercanberemarkablyinfluencedbyPf1colonization,whichmightbeakeyelementforinducedsystemictolerancebymicrobes.

  • 标签: RICE drought tolerance PSEUDOMONAS FLUORESCENS differential