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火炬松木質(zhì)素合成中CAD基因單核苷酸多態(tài)性檢測(cè)

華訊松香網(wǎng)
2002-04-29
閱讀次數(shù):4606
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北京林業(yè)大學(xué)學(xué)報(bào)

JOURNAL OF BEIJING FORESTRY UNIVERSITY
2001 Vol.23 No.6 P.5-9


Single Nucleotide Polymorphisms (SNPs) detection on base sequences of CAD gene in lignin biosynthesis of loblolly pine (Pinus taeda L.).

李新國(guó)  張志毅  David M. O Malley 

摘 要:該研究以美國(guó)南部重要的造紙工業(yè)用材樹種火炬松為材料,利用Transgenomic公司最近推出的Wave?R DNA片段分析系統(tǒng),快速檢測(cè)肉桂醇脫氫酶(CAD)基因在個(gè)體間的單核苷酸多態(tài)性,獲得了令人滿意的結(jié)果.首先利用Oligo 5.1軟件對(duì)火炬松CAD基因全序列分區(qū)域進(jìn)行引物設(shè)計(jì),當(dāng)設(shè)定每一區(qū)域能擴(kuò)增出100~200 bp產(chǎn)物時(shí),共在8個(gè)堿基區(qū)域(S1~S8)分別設(shè)計(jì)出了最佳正向引物和反向引物;以來自火炬松12株優(yōu)樹自由授粉種子的胚乳中提取的DNA為材料,對(duì)CAD基因8個(gè)堿基區(qū)域分別進(jìn)行PCR擴(kuò)增,有5個(gè)堿基區(qū)域(S3,S5,S6,S7,S8)得到了唯一的并且與預(yù)期堿基長(zhǎng)度基本一致的PCR擴(kuò)增產(chǎn)物,對(duì)其余3個(gè)堿基區(qū)域進(jìn)一步進(jìn)行FailSafeTM PCR擴(kuò)增,它們均在某些PCR緩沖液中得到了唯一的擴(kuò)增產(chǎn)物;利用WaveR DNA片段分析系統(tǒng),對(duì)6個(gè)堿基區(qū)域(S2,S3,S5,S6,S7,S8)進(jìn)行單核苷酸多態(tài)性檢測(cè),結(jié)果表明來自優(yōu)樹2-2的種子與其它11株優(yōu)樹的種子之間存在堿基序列變異,其中在S5,S6區(qū)域檢測(cè)到了較大的單核苷酸多態(tài)性,這兩個(gè)區(qū)域分別位于CAD基因的第2和第3內(nèi)含子(Intron2,Intron3).
關(guān)鍵詞:火炬松, 木質(zhì)素合成, 肉桂醇脫氫酶(CAD)基因, 單核苷酸多態(tài)性(SNPs), Wave?R DNA片段分析系統(tǒng)
分類號(hào):S791.255 文獻(xiàn)標(biāo)識(shí)碼:A

基金項(xiàng)目:實(shí)驗(yàn)在美國(guó)北卡羅來納州立大學(xué)生物技術(shù)實(shí)驗(yàn)室完成,得到國(guó)家林業(yè)局 948 技術(shù)引進(jìn)項(xiàng)目(98-4-04)的部分資助
作者簡(jiǎn)介:李新國(guó),男,1965年生,博士,副教授.主要研究方向:林木遺傳育種和生物技術(shù).電話:010-62338105,Email:li-xinguo@hotmail.com, 地址:100083 北京市海淀區(qū)清華東路35號(hào)北京林業(yè)大學(xué)118信箱
作者單位:李新國(guó)(北京林業(yè)大學(xué)生物科學(xué)與技術(shù)學(xué)院) 
     張志毅(北京林業(yè)大學(xué)生物科學(xué)與技術(shù)學(xué)院) 
     David M. O?Malley(美國(guó)北卡羅來納州立大學(xué)自然資源學(xué)院) 

參考文獻(xiàn):

[1]O?Malley D M, Grattapaglia D, Chaparro J X, et al. Molecular markers, forest genetics and tree improvement. In: Gustafson J P, Flavell R B, eds. Genome of Plant and Animals: 21st Stadler Genetics Symposium. New York: Plenum Press, 1996. 87~102
[2]Remington D L, Whetten R W, Liu B H, et al. Construction of an AFLP genetic map with nearly complete genome coverage in Pinus taeda. Theoretical and Applied Genetics, 1999,98:1279~1292
[3]Remington D L, O?Malley D M. Whole-genome characterization of embryonic stage inbreeding depression in a selfed loblolly pine family. Genetics, 2000,155:337~348
[4]Wilcox P L, Amerson H V, Kuhlman E G, et al. Detection of a major gene for resistance to fusiform rust disease in loblolly pine be genomic mapping. Applied Biological Science, 1996,93:3859~3864
[5]Cotton R G H. Slowly but surely towards better scanning for mutations. Trends Genetic Science, 1997,13:43~46
[6]O?Donovan M C, Oefner P J, Roberts S C, et al. Blind analysis of denaturing high performance liquid chromatography as a tool for mutation detection. Genomics, 1998,52:44~49
[7]Li B L, Steve M, Robert W. Tree improvement and sustainable forestry-impact of two cycles of loblolly pine breeding in the USA. Forest Genetics, 1999, 6(4): 229~234
[8]Whetten R, Sederoff R. Lignin biosynthesis. Plant Cell, 1995,7: 1001~1013
[9]Whetten R, Mackay J J, Sederoff R. Recent advances in understanding lignin biosynthesis. Annu Rev Plant Physiol Plant Mol Biol, 1998, 49:585~609
[10]O?Malley D M, Porter S, Sederoff R R. Purification, characterization, and cloning of cinnamyl alcohol dehydrogenase in loblolly pine (Pinus taeda L.). Plant Physiology, 1992,98:1364~1371
[11]Mackay J J, Liu W W, Whetten R, et al. Genetic analysis of cinnamyl alcohol dehydrogenases in loblolly pine-single gene inheritance, molecular characterization and evolution. Molecular & General Genetics, 1995,247:537~545
[12]Kuklin A, Munson K, Gjerde D, et al. Detection of single-nucleotide polymorphisms with the WAVE DNA fragment analysis system. Genetic Testing,1998,1:201~206

收稿日期:2001年1月11日

出版日期:2001年11月1日


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