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Community composition and diversity of endophytic fungi from roots of Sinopodophyllum hexandrum in forest of Upper-north mountain of Qinghai province

青海上北山林场野生桃儿七根部内生真菌群落组成及多样性研究



全 文 :2016
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Communitycompositionanddiversityofendophyticfungifromrootsof
SinopodophylumhexandruminforestofUppernorthmountainof
Qinghaiprovince
NINGYi1,2,LIYanling1,4,ZHOUGuoying1,3,YANGLucun1,3,XUWenhua1,3
(1NorthwestInstituteofPlateauBiology,ChineseAcademyofSciences,Xining810001,China;
2UniversityofChineseAcademyofSciences,Beijing100049,China;
3KeyLaboratoryofTibetanMedicineResearch,ChineseAcademyofSciences,Xining810001,China;
4ResearchCenterforEcoEnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China)
[Abstract] HighthroughputsequencingtechnologyisalsocaledNextGenerationSequencing(NGS),whichcansequence
hundredsandthousandssequencesindiferentsamplesatthesametimeInthepresentstudy,thecultureindependenthighthroughput
sequencingtechnologywasappliedtosequencethefungimetagenomicDNAofthefungalinternaltranscribedspacer1(ITS1)inthe
rootofSinopodophylumhexandrumSequencingdatasuggestedthatafterthequalitycontrol,22565readswereremainedClustersim
ilarityanalysiswasdonebasedon97% sequencesimilarity,whichobtained517OTUsforthethreesamples(LD1,LD2andLD3)
AlthefungiwhichidentifiedfromalthereadsofOTUsbasedon08classificationthresholdsusingthesoftwareofRDPclassifierwere
classifiedas13classes,35orders,44family,55generaAmongthesegenera,thegenusofTetracladiumwasthedominantgenerain
alsamples(3549%,6855% and1296%)TheShannon′sdiversityindicesandtheSimpsonindicesoftheendophyticfungiinthe
samplesrangedfrom175~292,011~032,respectivelyThisisthefirsttimeforapplyinghighthroughputsequencingtechnol
·7221·
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Vol41,No.7 April,2016
ogytoanalyzethecommunitycompositionanddiversityofendophyticfungiinthemedicinalplant,andtheresultsshowedthattherewere
hyperdiversityandhighcommunitycompositioncomplexityofendophyticfungiintherootofShexandrumItisalsoprovedthatthehigh
throughputsequencingtechnologyhasgreatadvantageforanalyzingecommunitycompositionanddiversityofendophtyeintheplant
[Keywords] Sinopodophylumhexandrum;endophyticfungi;highthroughputsequencing;communitycomposition;diversity
doi:10.4268/cjcmm20160712
  
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·9221·
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Vol41,No.7 April,2016
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Table1 Theratioofsequencereadsandidentificationofendophyticfungiatalsamplesingenera
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LD1reads LD1_ratio LD2_reads LD2_ratio LD3_reads LD3_ratio
Tetracladium 2553 3549 4544 6855 1133 1296
unclassified_fungi 1670 2321 1541 2325 156 178
Hymenoscyphus 1399 1945 0 0 0 0
Pseudogymnoascus 1031 1433 18 027 239 273
unclasified_Ascomycota 276 384 43 065 0 0
Truncatela 93 129 11 017 0 0
unclasified 38 053 79 119 13 015
Exophiala 22 031 14 021 22 025
Capronia 13 018 46 069 1 001
Lecythophora 12 017 0 0 0 0
Trichoderma 12 017 0 0 4 005
Talaromyces 12 017 4 006 41 047
Dactylaria 10 014 0 0 0 0
Hypocrea 10 014 0 0 0 0
Flageloscypha 8 011 23 035 0 0
Cadophora 7 01 4 006 1 001
unclasified_Leotiomycetes 7 01 0 0 0 0
unclasified_Sordariales 3 004 0 0 0 0
Botryotinia 3 004 0 0 37 042
Clavulinopsis 2 003 0 0 0 0
Acicuseptoria 2 003 1 002 0 0
unclasified_Magnaporthaceae 2 003 1 002 1 001
Bisporela 1 001 0 0 0 0
Eucasphaeria 1 001 0 0 0 0
Blumeria 1 001 0 0 0 0
unclasified_Helotiales 1 001 2 003 5 006
Mrakia 1 001 0 0 0 0
Paraleptosphaeria 1 001 0 0 0 0
Bjerkandera 1 001 0 0 0 0
unclasified_Ceratobasidiaceae 1 001 5 008 0 0
unclasified_Dothideomycetes 1 001 35 053 0 0
unclasified_Sebacinaceae 0 0 129 195 7006 8014
Aspergilus 0 0 81 122 16 018
unclasified_Auriculariales 0 0 9 014 0 0
Seimatosporium 0 0 8 012 0 0
Cladophialophora 0 0 4 006 4 005
Golovinomyces 0 0 4 006 0 0
Selenophoma 0 0 4 006 1 001
Strelitziana 0 0 4 006 0 0
Zygosaccharomyces 0 0 3 005 2 002
unclasified_Tremelomycetes 0 0 3 005 0 0
unclasified_Trechisporales 0 0 2 003 0 0
unclasified_Chaetothyriales 0 0 2 003 13 015
unclasified_Xylariales 0 0 2 003 0 0
Malasezia 0 0 2 003 0 0
Inonotus 0 0 1 002 0 0
Geomyces 0 0 0 0 16 018
Rusula 0 0 0 0 11 013
Lopharia 0 0 0 0 8 009
Cryptosporiopsis 0 0 0 0 5 006
unclasified_Basidiomycota 0 0 0 0 2 002
Aureobasidium 0 0 0 0 2 002
Penicilium 0 0 0 0 1 001
Podosphaera 0 0 0 0 1 001
unclasified_Hygrophoraceae 0 0 0 0 1 001
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