生物技术通报 ›› 2019, Vol. 35 ›› Issue (3): 6-12.doi: 10.13560/j.cnki.biotech.bull.1985.2018-0788

• 研究报告 • 上一篇    下一篇

转cry1C基因抗虫水稻吉生粳3号外源基因整合分析与品系特异性检测

金永梅, 马瑞, 于志晶, 林秀峰   

  1. 吉林省农业科学院农业生物技术研究所,长春 130124
  • 收稿日期:2018-09-10 出版日期:2019-03-26 发布日期:2019-04-03
  • 作者简介:金永梅,女,研究员,研究方向:水稻生物技术育种;E-mail:ymjin0303@163.com
  • 基金资助:
    国家转基因重大项目(2016ZX08001001-001-007),吉林省农业科技创新工程项目(CXGC2017TD009),吉林省科技发展计划重点科技攻关项目(20160204033NY)

Integration Analysis of Exogenous Gene and Line-Specific Detection in the Insect-Resistant cry1C-Transgenic Rice Jishengjing3

JIN Yong-mei, MA Rui, YU Zhi-jing, LIN Xiu-feng   

  1. Agro-Biotechnology Research Institute,Jilin Academy of Agricultural Sciences,Changchun 130124
  • Received:2018-09-10 Published:2019-03-26 Online:2019-04-03

摘要: 利用染色体步移方法分离获得转cry1C基因抗虫水稻吉生粳3号外源基因旁侧序列及其水稻基因组中的插入位点,并建立了吉生粳3号品系特异性PCR检测方法。通过对吉生粳3号外源基因左、右边界旁侧序列分别与水稻基因组序列和T-DNA序列的比对分析确定其插入位点,发现T-DNA在水稻基因组(日本晴)2号染色体上的基因间区2790685-2790589位点(GenBank登记号:NC_029257.1)。根据T-DNA插入位点,在插入位点两侧基因组区域和T-DNA左边界设计特异性引物,建立了吉生粳3号事件特异性PCR检测方法,为吉生粳3号的身份识别提供了准确、快速的检测技术手段。

关键词: 转Cry1C基因抗虫水稻, 旁侧序列, 插入位点, 事件特异性检测

Abstract: The flanking sequences of exogenous gene conferring insect-resistant cry1C-transgenic rice line Jishengjing3 and its inserted sites were analyzed by genome walking PCR,and a line-specific PCR detection method was established. T-DNA was found to be in nucleotides 2 790 685 to 2 790 589(GenBank accession number:NC_029257.1)in the chromosome 2 of Oryza Sativa(Japonica)genome after aligning the flanking sequences in left and right borders of Jishengjing3’s exogenous gene with the rice’s genome and T-DNA sequences. Based on the T-DNA insertion site,specific primers in the 2-sides region of the inserted site and the left border of T-DNA region were designed,and a event-specific PCR detection method for Jishengjing3 was established,which may provide accurate and rapid detection approach for identifying Jishengjing3.

Key words: insect-resistance cry1C-transgenic rice, flanking sequences, insertion site, event-specific detection