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中国生物工程杂志

CHINA BIOTECHNOLOGY
中国生物工程杂志  2009, Vol. 29 Issue (11): 48-52    
研究报告     
CMO与BADH双基因表达载体构建及转化羊草的研究
曲同宝1**,邓川2**,王丕武1***
1.吉林农业大学 长春 130118
2.吉林大学 长春 130062
Construction of CMO-BADH Doublegene Expression Vector and Its Expression in Chinese wildrye
QU Tong-bao1,DENG Chuan2,WANG Pi-wu1  
1.Jilin Agricultural University, Changchun 130118, China
2.Jilin University,Changchun 130062,China
 全文: PDF(927 KB)   HTML
摘要:

羊草是分布于我国北方地区重要的禾本科牧草,为了保护羊草资源和培育羊草新品种,本文利用基因枪技术进行了CMO和BADH双基因转化羊草的研究。首先,以1301质粒为基础,构建了均由35S启动子驱动的无抗生素选择标记CMO基因和BADH基因的植物双基因表达载体pCAMBIA-1301-CMO-BADH;然后,通过基因枪技术将其导入羊草中,PCR扩增后电泳检测及Southern杂交分析表明,外源基因已整合到受体植物基因组中并正常表达。在高浓度混合盐和高pH值胁迫下,转双基因植株甜菜碱含量高于对照植株。

关键词: 羊 草CMOBADH基因枪甜菜碱.    
Abstract:

Chinese wildrye (Leymus chinensis) is an important grass of the Gramineae family,which widely grows in the natural grassland of Northern China. In order to protect the resource of Chinese wildrye and culture new variety, the gene of CMO and BADH being transfered to Chinese wildrye by particle accelerator. A doublegene plant expression vector,pCAMBIA-1301-CMO-BADH were reconstructed based on PC1301 plasmid by CMO and BADH which were both driven by 35S promoter; It was transferred to Chinese wildrye by genegun, detected by PCR analysis and Sorthern blotting respectively which conclude that the foreign gene has consistented with the recipient plants’ genome and expresses normally. The analysis of the content of betaine showed that it was higher in the doublegene vector transgenic plants than the blank plants.

Key words: Leymus chinensis    CMO    BADH    Genegun    betaine.
收稿日期: 2009-04-07 出版日期: 2009-12-07
ZTFLH:  Q78  
基金资助:

吉林省教育厅(吉科合字[2008]第315号)

通讯作者: 王丕武     E-mail: peiwuw@yahoo.com.cn
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引用本文:

曲同宝 邓川 王丕武. CMO与BADH双基因表达载体构建及转化羊草的研究[J]. 中国生物工程杂志, 2009, 29(11): 48-52.

QU TongBao. Construction of CMO-BADH Doublegene Expression Vector and Its Expression in Chinese wildrye. China Biotechnology, 2009, 29(11): 48-52.

链接本文:

https://manu60.magtech.com.cn/biotech/CN/        https://manu60.magtech.com.cn/biotech/CN/Y2009/V29/I11/48

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