SUN Xue-hui,CAI Qin-an,SHANG Li-xia,et al.Genetic Transformation of Soybean with Drought Tolerance Gene cspB from Bacillus subtilis[J].Soybean Science,2017,36(05):699-704.[doi:10.11861/j.issn.1000-9841.2017.05.0699]
耐旱基因cspB转化大豆的研究
- Title:
- Genetic Transformation of Soybean with Drought Tolerance Gene cspB from Bacillus subtilis
- Keywords:
- Soybean; Drought tolerance; cspB- gene; Genetic transformation
- 文献标志码:
- A
- 摘要:
- 为提高大豆的耐旱性,本研究根据大豆偏爱的密码子将来源于枯草杆菌抗旱相关基因cspB序列进行了优化,并构建了植物表达载体pCAMBIA3301-cspB,利用农杆菌介导法将cspB基因导入大豆栽培品种Bert 中。用于遗传转化子叶节外植体共3 800个,经PCR和Southern鉴定,并结合PPT抗性筛选,共获得了95棵阳性转基因植株,转化率为2.5%。经初步筛选,获得了7份耐旱性较好的转基因大豆新材料。这些材料将进一步用于耐旱转基因大豆新品种培育工作。
- Abstract:
- To improve the drought tolerance of soybean, a vector pCAMBIA3301-cspB with drought tolerance related modified gene -cspB, was constructed.The modified-cspB gene was introducted into soybean variety Bert by Agrobacterium-mediated transformation. In this experiment total-3 800-cotyledonary node explants were infected and 95 independent transgenic plants were obtained by PCR and Southern blot analysis combined with PPT selection.The transformation efficiency was 2.5%. Seven transgenic plants with drought tolerance were selected,which could be used for soybean drought tolerance breeding in further.
参考文献/References:
[1]武维华.植物生理学[M].北京:科学出版社,2003:35-112.(Wu W H.Plant physiology[M].Beijing:Science Press,2003:35-112.)
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备注/Memo
基金项目:转基因生物新品种培育重大专项(20148X0800403B-002);吉林省科技厅重点科技攻关项目(20130206005NY)。