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园艺学报 ›› 2011, Vol. 38 ›› Issue (8): 1462-1468.

• 果树 • 上一篇    下一篇

甜樱桃MADS box基因的克隆与表达分析

林苗苗,赵长竹,姜建福,顾 红,陈锦永,方金豹*   

  1. 中国农业科学院郑州果树研究所,中国农业科学院果树生长发育与品质控制重点开放实验室,郑州 450009
  • 收稿日期:2011-05-17 修回日期:2011-07-19 出版日期:2011-08-25 发布日期:2011-08-25
  • 通讯作者: 方金豹*

Cloning and Expression Analysis of MADS box Gene in Sweet Cherry(Prunus avium)

LIN Miao-miao,ZHAO Chang-zhu,JIANG Jian-fu,GU Hong,CHEN Jin-yong,and FANG Jin-bao*   

  1. Key Laboratory for Fruit Tree Growth,Development and Quality Control,Zhengzhou Fruit Research Institute,Chinese Academy of Agricultural Sciences,Zhengzhou 450009,China
  • Received:2011-05-17 Revised:2011-07-19 Online:2011-08-25 Published:2011-08-25
  • Contact: FANG Jin-bao*

摘要: 以甜樱桃‘拉宾斯’(Prunus avium L.‘Lapins’)为试材,采用RT-PCR结合RACE技术,克隆获得1个与花发育相关的MADS box基因,命名为PaMADS3,其在GenBank中的登录号为HQ229605。PaMADS3基因全长1 095 bp,包含1个723 bp的开放阅读框,推断其编码240个氨基酸。序列分析表明:PaMADS3蛋白与拟南芥中的SEP蛋白高度同源。组织特异性表达显示PaMADS3基因在花瓣、雄蕊、心皮中表达。实时定量RT-PCR分析表明,花芽露绿期的离体枝条经过15和25 ℃处理后,其雌蕊中PaMADS3基因在25 ℃的表达量高于在15 ℃的表达量。

关键词: 甜樱桃, 花发育, MADS box, 克隆, 表达

Abstract: A MADS box gene was isolated from the floral bud of sweet cherry(Prunus avium L.‘Lapins’)by using RT-PCR and RACE approaches,the gene was named PaMADS3(The accession number in GenBank:HQ229605). The full length cDNA of PaMADS3 is 1 095 bp,with an ORF of 723 bp encoding 240 putative amino acid residues. Sequence analysis indicated that PaMADS3 shared highly homology with Arabidopsis SEP gene. Tissue specific analysis showed that PaMADS3 expressed in petal,stamen,and carpel. Real-time RT-PCR revealed that when the shoots were treated with 15 ℃ and 25 ℃,respectively,the expression of PaMADS3 was increased in carpel under the temperature of 25 ℃.  expression

Key words: sweet cherry, flower development, MADS box, cloning

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