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DG-DGGE在基因多样性快速检测中的研究 被引量:1

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摘要 为了探究双梯度变性凝胶电泳技术(DG-DGGE)相对于单一变性梯度凝胶电泳技术(DGGE)可以提高基因多样性的检测效率。结合2种胶各自特点,在相同的试验条件下对在相同变性剂梯度下,双变性梯度胶DG-DGGE胶与单一变性梯度胶DGGE胶分离效果的比较,发现DG-DGGE胶的特点。之后在横向变性梯度条件下,进行DG-DGGE胶与DGGE胶分离效果的比较,找出各自的最适梯度。最后再把预测的DG-DGGE胶可以提高基因多样性的检测效率结果在试验中进行了验证。结果表明,在各自最适变性剂梯度下,DG-DGGE胶效果并不比DGGE胶的分离效果差,同时可以将原来DGGE检测所需的电泳时间缩短40%左右。
出处 《江苏农业科学》 CSCD 北大核心 2011年第4期56-58,共3页 Jiangsu Agricultural Sciences
基金 上海教委重点学科项目(编号:J50701)
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