外源硒处理对弥勒珠芽魔芋根际土壤细菌群落的影响

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中图分类号S154.3文献标识码A文章编号 0517-6611（2025）11-0161-06

doi：10.3969/j.issn.0517-6611. 2025.11. 035

开放科学（资源服务）标识码（OSID）：

The Effect of Exogenous Selenium Treatment on the Bacterial Communityin the Rhizosphere Soil of Amorphophallus muelleri HE Ping，JIAO Hong-peng，WUJi-lietal（Guangdong Provincial Geological Experiment &Tsting Center（（Guangdong MineralRe sourcesAppicationResearchInstute）/KeyLboratoryofRadioactiveandRareSateredMinerals，MinistryofNaturalResoucs，uang zhou，Guangdong 510080）

AbstractObetie]ToexplorethtofdingselefertlizeronthacterialommunityinezosperesoilofAmoolus muelri.edgompsdesitfceoitseslAmop underexogenousselenumtreatmentwereanalyzedbymeansof16Sampliconsequencingtecholog，andthefunctionsoftheelevantou nities werefurtheranalyzedthroughPICRUStfunctionpredictionanalysis.Result]ExogenousseleniumtreatmentincreasedtheOTUabundance，thenumberofuniquebactelOUandheommunitdversityintezosphresoilofAmohopallsmuelerisimultaously TheOTUabundanceandthenumberofuniqueOTUsintheselenium-treatedgroupwere1.O3and1.08timestoseinthecontrolgroup，respectively.PCoAfuterreveaedthattheamplesinteselenmreatedgoupandtecontrolgroupwereclearlyseparatedonthefistprincipalcomponentwithrelativelylargedistancebetwenedicatingthatteacterialcommunitystructuresinthzospresilof AmorphophalusmuelerietgrouseresignificantlfentSpecsompsiaalsissoedat，ompadwihetro group，tidoalchcteoeibceogae cesandGemmaimoasinesheoloftesle-treatedopeiedareasintredCRUStfutioprdtoed thatoreetabiadfcsoftactealmitinsAmopluslogostat mentwereenhancedcomparedwith toseinthecontrolgroup，suchasaminoacidmetabolism，carbohydratemetabolismandeergymetabo lism，etc.Conclusion]Exogenousselenutreamentcouldleadtoalargeumberofhangesitebacteralcomunityinthse soilforpopallsmuelei，hchasnducivetoeatingstablendredvsfdzospremicrobialmmnitucture. Kev wordsAmorbhophallus mueleri： Rhizosphere soil：Exogenous selenium treatment ： Bacterial communitv

魔芋（Amorphophallusspp.）是天南星科多年生草本植物，也是世界上唯一富含大量葡甘聚糖（KGM）的植物种群[1-2]，由于具有独特的物理和化学性质，被广泛应用于食品、医药保健、化学工业等领域[3]。（剩余11970字）