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时间:2020-04-22
《马尾松内生真菌产油脂菌株的分离、筛选和鉴定-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、植物资源与环境学报2014,23(2):27—33JournalofPlantResourcesandEnvironment马尾松内生真菌产油脂菌株的分离、筛选和鉴定邓慧华一,洪伟,。~,吴承祯,谢安强,潘伟彬,段萍(1.福建农林大学林学院,福建福州350002;2.龙岩市林业科学研究所,福建龙岩364000;3.福建省高校森林生态系统过程与经营重点实验室,福建福州350002;4.武夷学院,福建南平354300;5.闽西职业技术学院,福建龙岩364021)摘要:采用组织块法从马尾松(PinusmassonianaLamb.)根、茎和叶片中分离获得内
2、生真菌,初步筛选出产油脂菌株且对其油脂含量进行了分析;并采用形态学及分子生物学方法对产油脂菌株进行了分类鉴定。结果显示:从马尾松植株中共获得21株内生真菌菌株,其中分离自根、茎和叶片的菌株分别为4株、6株和11株。有14株菌株的菌丝中有油滴;其中,分离自叶片的菌株ZP一1、分离自根的菌株ZP一2和分离自茎的菌株ZP一3的菌丝内油滴较多且油脂含量较高,平均油脂含量分别达到29.12%、25.03%和30.56%,差异极显著(P3、ilomycesBainier)、生赤壳菌属(BionectriaSpeg.)和镰刀菌属(FusariumLink)菌种的形态相似。与GenBank中相关真菌ITS序列的比对以及NJ系统树分析结果显示:菌株ZP一1与拟青霉属、菌株ZP一2与生赤壳菌属、菌株ZP一3与镰刀菌属间的ITS片段序列相似性均达到99%,在各自的NJ系统树上它们也分别聚在一起。初步确定菌株ZP一1、ZP一2和ZP一3分别属于拟青霉属、生赤壳菌属和镰刀菌属。关键词:马尾松;内生真菌;油脂含量;形态特征;ITS片段;菌种鉴定中图分类号:Q948.122.3;Q939.9文献标志码:4、A文章编号:1674-7895(2014)02-0027-07DOI:10.3969/j.issn.1674—7895.2014.02.04Separation,selectionandidentificationonproducinglipidstrainsofendophyticfungifromPinusmassonianaDENGHuihua,HONGWei’~,WUChengzhen,XIEAnqiang。PANWeibin,DUANPing(1.CollegeofForestry,FuiianAgricultureandForestryU5、niversity,Fuzhou350002,China:2.Long,canCityResearehInstituteofForestryScience,Longyan364000,China;3.KeyLaboratoryforForestEcosystemProcessandManagementofFujianProvinceFuzhou350002,China:4.WuviUniversity。Nanping354300,China;5.MinxiVocationalandrIechnicalCollege,Longyan364021.Chi6、na).J.PlantResour.&Environ.2014,23(2):27—33Abstract:Bvmeansoftissueblockmethod,endophyticfungiwereobtainedfromroot,stemandlearofPinusmassonianaLamb.,andproducinglipidstrainswerepreliminarilyselectedoutandtheirlipidcontentswereanalyzed.Andtheselipidstrainswerealsoclassifiedandid7、entifiedbymorphologicalandmolecularbiologicalmethods.Theresultsshowthat21strainsofendophyticfungihavebeenobtainedfromP.massoniana.inwhich.thenumberofstrainsisolatedfromroot,stemandleafis4,6and11strains.respectively.Thereareoilbodiesinmyceliaof14strains。inwhich,thenumberofoilbod8、yismoreandlipidcontentishigherinmyceliaofstrainZP.1fro
3、ilomycesBainier)、生赤壳菌属(BionectriaSpeg.)和镰刀菌属(FusariumLink)菌种的形态相似。与GenBank中相关真菌ITS序列的比对以及NJ系统树分析结果显示:菌株ZP一1与拟青霉属、菌株ZP一2与生赤壳菌属、菌株ZP一3与镰刀菌属间的ITS片段序列相似性均达到99%,在各自的NJ系统树上它们也分别聚在一起。初步确定菌株ZP一1、ZP一2和ZP一3分别属于拟青霉属、生赤壳菌属和镰刀菌属。关键词:马尾松;内生真菌;油脂含量;形态特征;ITS片段;菌种鉴定中图分类号:Q948.122.3;Q939.9文献标志码:
4、A文章编号:1674-7895(2014)02-0027-07DOI:10.3969/j.issn.1674—7895.2014.02.04Separation,selectionandidentificationonproducinglipidstrainsofendophyticfungifromPinusmassonianaDENGHuihua,HONGWei’~,WUChengzhen,XIEAnqiang。PANWeibin,DUANPing(1.CollegeofForestry,FuiianAgricultureandForestryU
5、niversity,Fuzhou350002,China:2.Long,canCityResearehInstituteofForestryScience,Longyan364000,China;3.KeyLaboratoryforForestEcosystemProcessandManagementofFujianProvinceFuzhou350002,China:4.WuviUniversity。Nanping354300,China;5.MinxiVocationalandrIechnicalCollege,Longyan364021.Chi
6、na).J.PlantResour.&Environ.2014,23(2):27—33Abstract:Bvmeansoftissueblockmethod,endophyticfungiwereobtainedfromroot,stemandlearofPinusmassonianaLamb.,andproducinglipidstrainswerepreliminarilyselectedoutandtheirlipidcontentswereanalyzed.Andtheselipidstrainswerealsoclassifiedandid
7、entifiedbymorphologicalandmolecularbiologicalmethods.Theresultsshowthat21strainsofendophyticfungihavebeenobtainedfromP.massoniana.inwhich.thenumberofstrainsisolatedfromroot,stemandleafis4,6and11strains.respectively.Thereareoilbodiesinmyceliaof14strains。inwhich,thenumberofoilbod
8、yismoreandlipidcontentishigherinmyceliaofstrainZP.1fro
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