转基因马铃薯淀粉合成酶活性及淀粉质量分数的变化
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Study on Amylosynthease Activity and the Change of Starch Content in Transgenic Potato Tuber
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    摘要:

    以转基因马铃薯块茎为材料,采用双波长分光光度法、蒽酮比色法测定了其直链淀粉、支链淀粉和总淀粉的质量分数。对其GBSS、SSS的活性进行了测定,采用SPSS软件进行了独立样本t检验。结果表明:与对照组相比,转基因马铃薯(K5)总淀粉、支链淀粉的质量分数升高差异显著,GBSS、SSS的活性及直链淀粉质量分数降低差异显著。表明利用RNAi对马铃薯块茎淀粉合成酶基因的干扰取得了一定的效果。

    Abstract:

    The contents of amylose,amylopectin and total starch were determined via Dual-wavelength spectrophotometry and Anthrone colorimetry in transgenic potato tubers,respectively. Furthermore,activities of GBSS,SSS were measured. Independent samples t test were performed by using statistical SPSS software. The results showed that the contents of total starch and amylopectin in transgenic potato tubers(K5) were significantly higher than that in control group,while activities of GBSS,SSS and the amylose content of K5 decreased significantly. This indicated that synthase gene of transgenic potato was affected by RNA interference in some extent.

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陈国梁,田瑞康,马靖峰,杨成成,安鹏.转基因马铃薯淀粉合成酶活性及淀粉质量分数的变化[J].食品与生物技术学报,2016,35(2):219-223.

CHEN Guoliang, TIAN Ruikang, MA Jingfeng, YANG Chengcheng, AN Peng. Study on Amylosynthease Activity and the Change of Starch Content in Transgenic Potato Tuber[J]. Journal of Food Science and Biotechnology,2016,35(2):219-223.

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  • 在线发布日期: 2016-10-25
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