内源NO对铅胁迫下金丝草根细胞中Pb积累的影响

内源NO对铅胁迫下金丝草根细胞中Pb积累的影响摘要：本文研究了铅胁迫下内源NO对金丝草根细胞中Pb积累的影响。结果表明，内源NO可以显著降低金丝草根细胞中的Pb积累，其机制可能涉及NO介导的根系器官发

NOPb 内源对铅胁迫下金丝草根细胞中积累的影响 摘要： 本文研究了铅胁迫下内源NO对金丝草根细胞中Pb积累的影响。 结果表明，内源NO可以显著降低金丝草根细胞中的Pb积累，其机制可 能涉及NO介导的根系器官发育和活性氧清除作用。因此，内源NO在 金丝草抵抗铅胁迫过程中起到了重要的调节作用，对于促进植物的生长 和发育具有一定的意义。 关键词：内源NO，铅胁迫，金丝草，Pb积累，根系器官，活性 氧 Abstract: ThispaperstudiestheeffectsofendogenousNOonPb accumulationinrootcellsofgoldthreadunderleadstress.The resultsshowthatendogenousNOcansignificantlyreducePb accumulationingoldthreadrootcells,andthemechanismmay involveNO-mediatedrootorgandevelopmentandreactive oxygenspeciesscavenging.Therefore,endogenousNOplaysan importantregulatoryroleingoldthread'sresistancetoleadstress, andhascertainsignificanceforpromotingplantgrowthand development. Keywords:endogenousNO,leadstress,goldthread,Pb accumulation,rootorgan,reactiveoxygenspecies Introduction: Leadpollutionisamajorenvironmentalproblemworldwide, anditposesaseriousthreattohumanhealthandecological environment.Plantsareimportantcomponentsoftheecosystem, andtheirabilitytoresistleadstressiscriticalformaintaining ecologicalbalance.Goldthread(CoptischinensisFranch),a traditionalChinesemedicinalplant,isknownforitsstrongstress resistance.Therefore,studyingthemechanismofgoldthread's resistancetoleadstressisofgreatsignificanceinpromotingthe developmentofplantstressresistanceandecologicalrestoration. Nitricoxide(NO)isanimportantsignalmoleculeinplants, andplaysanimportantroleinregulatingplantgrowth,