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Chemical and Molecular Biological Evidence Reveals That There Is No Taxol in Amentotaxus argotaenia (Hance) Pilger

穗花杉中不存在紫杉醇的化学及分子生物学证据



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,2016,36(4):0661-0666
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犜犪狓狅犾犻狀犃犿犲狀狋狅狋犪狓狌狊犪狉犵狅狋犪犲狀犻犪(犎犪狀犮犲)犘犻犾犵犲狉
WANGShuai1,SHAOFenjuan1,LILun2,LUQiang1,QIUDeyou1
(1.TheResearchInstituteofForestry,ChineseAcademyofForestry,Beijing100091China;2.GuangxiGuilinXiaolushanEco
logicalAgricultureCo.Lit,Guilin,Guangxi541205,China;)
犃犫狊狋狉犪犮狋:犃犿犲狀狋狅狋犪狓狌狊犪狉犵狅狋犪犲狀犻犪(Hance)Pilgerisonememberof犃犿犲狀狋狅狋犪狓狌狊inTaxaceae.Duetothe
closegeneticrelationshipbetween犃.犪狉犵狅狋犪犲狀犻犪and犜犪狓狌狊sp.,someresearchersthoughtthattaxol
couldbesynthesizedin犃.犪狉犵狅狋犪犲狀犻犪andtestifiedthishypothesisusingHPLCmethod.Thisconclusion
wasjustreachedbasedontheretentiontimeofthepeakintheextractof犃.犪狉犵狅狋犪犲狀犻犪correspondingto
thatofthetaxolstandard,butnotfromanymassspectradata.Inthisstudy,weanalyzedtheextractionof
thestemsandleavesof犃.犪狉犵狅狋犪犲狀犻犪withLCMS,andfoundthattherewasnotaxolintheextraction.In
ordertoproveourhypothesis,犃犪狉犜犛犔1genewasisolatedandclonedbyusingthetaxadienesynthaseof
犜犪狓狌狊犫犪犮犮犪狋犪toTBLASTNthetranscriptomeof犃.犪狉犵狅狋犪犲狀犻犪.Functionalanalysisof犃犪狉犜犛犔1with
prokaryoticexpressionshowedthattheAarTSL1proteincannotcatalyzeGGPP(geranylgeranylpyrophos
phate)totaxadiene,keyintermediaintaxolbiosynthesispathway.Takingtogether,ourchemicalandmo
lecularbiologyevidenceprovedthat犃.犪狉犵狅狋犪犲狀犻犪cannotproducttaxol.Ourresultswilbehelpfultothe
researchworkonthetaxonomicstudyof犃.犪狉犵狅狋犪犲狀犻犪.
犓犲狔狑狅狉犱狊:犃犿犲狀狋狅狋犪狓狌狊犪狉犵狅狋犪犲狀犻犪;taxol;taxadienesynthase;LCMS;prokaryoticexpression
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Fig.2 Massspectraanalysisaboutthepeakofthetaxolstandardandcorrespondingpeakofsample
M.Marker;A.KLï$AarTSL15NEST;
B.KLï$AarTSL15
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B.ThespecialprimerAarTSL15
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[1] WANIMC,TAYLORHL,WALLME,犲狋犪犾.Plantantitu
moragents.VI.Isolationandstructureoftaxol,anovelanti
leukemicandantitumoragentfrom 犜犪狓狌狊犫狉犲狏犻犳狅犾犻犪[J].
犑狅狌狉狀犪犾狅犳狋犺犲犃犿犲狉犻犮犪狀犆犺犲犿犻犮犪犾犛狅犮犻犲狋狔,1971,93(9):2
3252327.
[2] äAT,|2}.ijgéˆuw#$€grÁx$l
ÄåæL瘢£
[J].#$~Âr^%&,1994,3(2):
3133.
LUOSD,NINGB M.HPLCanalysisoftaxolandrelated
compoundsfrom犜犪狓狌狊anditsrelatedplants[J].犑狅狌狉狀犪犾狅犳
犘犾犪狀狋犚犲狊狅狌狉犮犲狊犪狀犱犈狀狏犻狉狅狀犿犲狀狋,1994,3(2):3133.
[3] ÷øò,€‚.€géùž>ÌjglJ>[J].
(ƒ+ð%%&
,1994,25(5):259261.
ZHOURH,ZHUDN.Theoccurrenceoftaxolandbrevifoli
olin犘狊犲狌犱狅狋犪狓狌狊犮犺犻犲狀犻犻Cheng[J].犑狅狌狉狀犪犾狅犳犆犺犻狀犪犘犺犪狉
犿犪犮犲狌狋犻犮犪犾犝狀犻狏犲狉狊犻狋狔,1994,25(5):259261.
[4] ÿƒ!,3„,…†B.efgáâ€gl ¡r‰ï
†$
[J].Z=Ÿ‡,2014,41(4):9797.
MOULH,CHENGYS,ZHENGQS.Extractionanddeter
minationofpaclitaxelcontentinthecorticesof犃犿犲狀狋狅狋犪狓狌狊
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