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园艺学报 ›› 2001, Vol. 28 ›› Issue (2): 173-174.

• 研究报告 • 上一篇    下一篇

胡萝卜Daucus carota var. sativus Hoffm Deutschl 抗冻蛋白基因的克隆及测序

尹明安1;崔鸿文1;樊代明2;郭􀀁 立1   

  1. (1 西北农林科技大学, 杨凌712100; 2 第四军医大学, 西安710032)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-04-25 发布日期:2001-04-25

Cloning and Sequencing of Antifreeze Protein Gene in Daucus carota var. sativus Hoffm Deutschl

YinMing'an1, Cui Hongwen1, Fan Daiming2, and Guo Li1   

  1. (1Northwest Sci-Tech University of Agricultural and Forestry , Yangling 712100; 2The Fourth University of Military Medicine, Xi'an 710032)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-04-25 Published:2001-04-25

摘要: 以宁夏吴忠胡萝卜、陕西华县胡萝卜和陕西汉中胡萝卜3个地方品种为材料,用PCR (polymerase chain reaction) 的方法克隆了中国胡萝卜的抗冻蛋白基因(afp) , 测定了其核苷酸序列, 并和英国胡萝卜的afp序列进行了对比。在所测1004个核苷酸中, 两变种碱基
不同者有36 个, 占3. 6%, 其中无义突变21 个, 有义突变15个。按有义突变计, 同源性为
98. 5%。

关键词: 胡萝卜, 抗冻蛋白, 分子生物学

Abstract: Three carrot cultivar Wuzhong Ningxia, Huaxian Shaanxi and Hanzhong Shaanxi were used as test material and antifreeze protein gene (afp) of Chinese carrot (Daucus carota var. sativus Hoffm Deutschl) was cloned
and sequenced by PCR (polymerase chain reaction) . Obtained sequence was compared with that of British carrot (Daucus carota var. autumn King) . There were 36 different bases in 1004 nucleotides (3. 6%) between the two varieties. Among the different bases there were 21 nonsense mutations and 15 sense mutations. According to sense mutations, homology was 98. 5%.

Key words: Carrot (Daucus carota var. sativus Hoffm Deutschl), Antifreeze protein, Molecular biology

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