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根癌农杆菌介导小麦成熟胚的遗传转化研究

DOI: 10.7668/hbnxb.2009.S1.014, PP. 54-57

Keywords: 小麦(TriticumaestivumL.),成熟胚,遗传转化,分子鉴定

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Abstract:

以小麦成熟胚为转化受体,采用农杆菌介导的遗传转化技术,建立了小麦的转基因株系。结果表明,建立的小麦遗传转化和植株再生体系,在选择压下由侵染的小麦成熟胚中,获得的抗性愈伤组织频率为57.50%,愈伤组织分化频率为8.58%,植株分化比例为0.83%。对再生植株中报告基因Gus的PCR检测结果表明,供试3株小麦的PCR均为阳性。与未进行遗传转化的对照植株相比,再生植株的Gus活性明显提高。表明再生的供试植株均为转基因植株。因此,本研究建立的小麦成熟胚遗传转化和再生体系,为今后小麦的高频转基因系的获得提供了参考依据。

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