JIA Yu-ying,JIANG Ying,ZHAO Qiang,et al.Study on Agrobacterium-mediated Transformation System of Super-high-yielding Soybean Cotyledon Node[J].Soybean Science,2014,33(05):634-637.[doi:10.11861/j.issn.1000-9841.2014.05.0634]
农杆菌介导超高产大豆子叶节遗传转化研究
- Title:
- Study on Agrobacterium-mediated Transformation System of Super-high-yielding Soybean Cotyledon Node
- 文章编号:
- 1000-9841.2014.05.0634
- Keywords:
- Super-high-yielding soybeans; Agrobacterium tumefaciens; Cotyledonary node; Transformation
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为建立一个大豆子叶节高效遗传转化体系用于大豆基因工程育种,以超高产大豆品种为材料,子叶节为外植体进行了遗传转化,研究了农杆菌侵染的菌液浓度、侵染时间、共培养基中乙酰丁香酮浓度及共培养时间等影响农杆菌转化的因素。结果表明:适宜转化的侵染和共培养条件为侵染菌液浓度OD600=0.5,侵染时间30 min,共培养基含有乙酰丁香酮浓度200 μmol.L-1,共培养时间为3~4 d。并以此条件对不同基因型超高产大豆品种进行农杆菌转化,结果显示大豆基因型对农杆菌的敏感性存在显著性差异,以沈农9号最敏感,沈农12次之,中黄35最差。
- Abstract:
- To establish a high frequency genetic transformation system of soybean cotyledon node for soybean genetic engineering,Agrobacterium concentration,infection time,co-cultivation time and acetosyringone concentration of co-culture medium during soybean cotyledonary node transformation were studied by using soybean cultivars with super-high-yielding.The results showed that the optimal conditions were Agrobacterium concentration OD600=0.5,infection time 30 min,co-cultivation time 3-4 days and acetosyringone concentration 200 μmol.L-1.Using the optimized transformation procedure,different genotypes of super-high-yielding soybeans were transformed and the sensitivity of soybean genotypes to Agrobacterium tumefaciens was significant differently.Shennong 9 was the most sensitive material,followed by Shennong 12,and Zhonghuang 35 was the least sensitive material.
参考文献/References:
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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(2013ZX08004-004-003-004)。