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园艺学报 ›› 2003, Vol. 30 ›› Issue (03): 346-348.

• 研究报告 • 上一篇    下一篇

甜瓜果实酸性转化酶基因cDNA片段的克隆

于喜艳1; 赵双宜2; 何启伟3; 孔庆国4
  

  1. (1山东农业大学园艺学院,泰安271018; 2山东大学生命科学学院,济南250100; 3山东省农业科学院蔬菜研究所,济南250100; 4山东滨州职业学院,滨州256624)
  • 收稿日期:2002-07-16 修回日期:2002-11-26 出版日期:2003-06-25 发布日期:2003-06-25

Cloning of a cDNA Fragment of Acid lnvertase Gene from Cucumis melo L.Fruit

Yu Xiyan1; Zhao Shuangyi2; He Qiwei3; Kong Qingguo4
  

  1. ( 1School of Horticulture Shandong Agricultural University, Tai'an 271018, China; 2School of Sciences,Shandong University, Ji'nan 250100,China; 3Vegetable Institute,Shandong Academy of Agricultural Sciences,Ji'nan 250100,China; 4Binzhou Vocational College of Shandong Province,Binzhou 256624,China)
  • Received:2002-07-16 Revised:2002-11-26 Online:2003-06-25 Published:2003-06-25

摘要: 根据在GenBank中登录的番茄、胡萝卜和柑桔等酸性转化酶基因的保守序列设计引物,采用
RT-PCR方法,从甜瓜果实总RNA中扩增出目标cDNA片段,克隆到pMD18-T载体中。序列分析表明,它与其它植物的酸性转化酶基因的同源性很高,与番茄氨基酸序列同源性为99%,说明已经成功克隆到甜瓜果实酸性转化酶基因cDNA片段,在GenBank中登记号AF490425。

关键词: 甜瓜, 果实, RT-PCR, 酸性转化酶基因

Abstract: PCR primers were designed based on the eonsensu$ domain of some acid invertase genes in GenBank.The aimed cDNA fragment was amplified from the total RNA isolated from melon fruit via RT-PCR and cloned into pMD18-T vector. The amino acid sequence determined by this fragment shows 99% homology to that of the corresponding region of acid invertase of tomato. This confirms that we have cloned a cDNA fragment from melon fruit successfully. the access number of this gene in GenBank is AF490425.

Key words: Melon, Fruit, RT—PCR, Acid invertase gene

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