WANG Tong-tong,MENG Ying,ZHANG Xi-juan,et al.Preliminary Study on Gene Transformationof Longdao No.8 and Longdao No.9by Bt Gene[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(03):22-25.
Bt基因转化龙稻8号和龙稻9号初探
- Title:
- Preliminary Study on Gene Transformationof Longdao No.8 and Longdao No.9by Bt Gene
- 文章编号:
- 1002-2767(2012)03-0022-03
- Keywords:
- rice; Bt gene; conversion percentage; differentiation rate
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为提高水稻品种抗性,以特种稻龙稻8号和龙稻9号的成熟种子作为试验材料诱导形成胚性愈伤,分别用携带有pCDMAR-UBb-Hyg质粒单价Cry1Ab 基因的菌株LBA4404和携带有pCDMAR-UBAC-Hyg质粒 双价Cry1Ac+SCK基因的菌株LBA4404为Bt基因的载体,再以农杆菌介导的方法实现Bt基因对龙稻8号和龙稻9号基因座的修饰。结果表明:两种质粒的转化率都在20%~30%,而两个品种的Bt蛋白表达阳性几率存在一定的差异。
- Abstract:
- In order to enhance resistance of rice,bacterial strain LBA4404 which contained two different types of plasmid pCDMAR-UBb-Hyg and pCDMAR-UBAC-Hyg modified Cry1Ab?andCry1AC+SCK separately were used as mediator to carry out locus modifying of Longdao No.8 and Longdao No.9.The results showed that conversion percentage of both the two plasmids were between 20% and 30%.But percentage of positive test for Bt protein showed a little difference.
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备注/Memo
基金项目:国家转基因专项资助项目(2008ZX08001-001);黑龙江省自然科学基金重点资助项目(2009HSJ-E-2);哈尔滨市青年基金资助项目(92007RFQYN106)