垃圾渗滤液对土壤微生物多样性的影响
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2020-04-09 14:20:04
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垃圾渗滤液对土壤微生物多样性的影响贺晓凌1,宋超1,张蕾萍1,王宁1,曹丽华2,魏东盛3(1.天津工业大学环境与化学工程学院,天津300387;2.天津市庆烁环保工程有限公司,天津300451;3.南开大学生命科学学院,天津300071)摘要:为了探究受垃圾渗溶液影响的土壤中微生物的种类、群落结构以及优势菌群的具体情况,采集不同地域的垃圾填埋场附近受垃圾渗溶液影响的土壤,通过MiSeq高通量测序进行微生物多样性分析.结果表明:采自河南垃圾填埋场近端土样1、远端土样2与采自江苏垃圾填埋场近端土样3、远端土样4,其有效序列数分别为27055、36830、39230、29604,样品的平均覆盖率为99.63%,4种土样中微生物种类丰富,物种丰度顺序为3>1>2>4;垃圾渗滤液浓度大对微生物物种多样性的增多有正向影响,垃圾填埋场所处地域、垃圾堆放时间以及垃圾的种类都会对土壤中的微生物多样性产生影响,Latescibacteria及硝化螺旋菌门(Nitrospirae)是靠近垃圾池的样品所特有的,此结果为筛选降解垃圾渗滤液优势菌种提供理论指导.关键词:垃圾渗滤液;土壤微生物;微生物多样性;MiSep测序中图分类号:X703文献标志码:A文章编号:1671-024(2017)01-0036-05EffectsoflandfillleachateonmicrobialdiversityincontaminatedsoilHEXiao-ling1,SONGChao1,ZHANGLei-ping1,WANGNing1,CAOLi-hua2,WEIDong-sheng3(1.SchoolofEnvironmentalandChemicalEngineering,TianjinPolytechnicUniversity,Tianjin300387,China;2.TianjinQingshuoEnvironmentalEngineeringLimitedCompany,Tianjin300451,China;3.SchoolofLifeSciences,NankaiUniversity,Tianjin300071,China)Abstract:Inordertoinvestigatetherealsituationsofmicrobialspecies,communitystructure,andthepredominantbacte鄄riainlandfillleachatecontaminatedsoil,someexperimentsbasedonMiSeqhigh-throughputsequencingwereperformed.SoilsampleswascollectedfromdifferentregionsinChina.Aseriesofbiologicalinformationtodeter鄄minethespeciesofmicroorganisminthesoilwereobtained.ResultsshowthesoilsamplescollectedfromHenanProvincewerenamedas1forcloseroneand2forfurtherone.Samples3and4gatheredfromJiangsuProvincewerenamedinthesameway.Soilsamplescontainabundantbutdifferentmicrobialspeciesintheorder:3>1>2>4.Heavycontaminationmightleadtogreaterabundanceofmicrobialpopulations.Thelocationoflandfillindiverseregions,thestackingtimeofgarbageandeventhetypeofrawgarbagewillinfluencethesoilmicrobialdiversityrespectively.ThenumberofmicroorganismssuchasLatescibacteriaandNitrospiraeareobviouslyhigh鄄erthanthenormallevel.Thatoffersapotentialresearchdirectiononpercolatingmicrobialdegradation,makingitpossibletoscreenthewasteleachatebiodegradationmicrobesinspecificlocation.Keywords:landfillleachate;soilmicrobes;microbia
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