Virus-induced gene silencing-based functional verification of six genes associated with vernalization in wheat

文献类型： 外文期刊

第一作者： Feng, Ya-Lan

作者： Feng, Ya-Lan;Ma, Chao;Zhao, Yong-Ying;Yin, Jun;Feng, Ya-Lan;Wang, Ke-Tao;Ma, Chao;Zhao, Yong-Ying;Yin, Jun;Feng, Ya-Lan;Ma, Chao;Zhao, Yong-Ying;Yin, Jun;Wang, Ke-Tao;Ma, Chao;Zhao, Yong-Ying

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关键词： Barley stripe mosaic virus (BSMV);Triticum aestivum. L;Spike differentiation;Vernalization;Virus-induced gene silencing (VIGS)

期刊名称：BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS （ 影响因子：3.575； 五年影响因子：3.381 ）

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收录情况： SCI

摘要： Vernalization requirement is an important characteristic in crop breeding. Wheat is a widely grown crop in the world that possesses enormous economic significance. To better understand the gene networks in vernalization process, we performed a high-throughput RNA sequencing analysis comparing the transcriptomes of spring and winter wheat cultivars, with and without vernalization (unpublished data). In this study, we selected six unigenes (CL14010, CL12788, CL176, Unigene 16777, CL8746 and Unigene10196) from our transcriptome analysis based on their expression differences to further characterize their function. Transient silencing of the six unigenes individually were achieved through virus-induced gene silencing (VIGS) using BSMV vector. The period from germination to spike differentiation were recorded and compared between plants underwent VIGS silencing and the control. Our result showed that VIGS of the six unigenes significantly shortened the period from seedling to double ridge (DR) stage. Resulting in SD period ranging from 59.8 +/- 0.60 to 65.8 +/- .0.48 days, compared to 85.0 +/- 0.73 days in the control. The results indicated that these six unigenes function as suppressors in vernalization process and silence or down-regulation of these genes promoted flower development in wheat. Further characterization of these six unigenes and their function in vernalization and flowering control is needed. (C) 2015 Elsevier Inc. All rights reserved.

分类号： Q5

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