Identification of Optimal Reference Genes for Expression Analysis in Radish (Raphanus sativus L.) and Its Relatives Based on Expression Stability

文献类型： 外文期刊

第一作者： Duan, Mengmeng

作者： Duan, Mengmeng;Wang, Jinglei;Zhang, Xiaohui;Yang, Haohui;Wang, Haiping;Qiu, Yang;Song, Jiangping;Li, Xixiang;Duan, Mengmeng;Guo, Yangdong

作者机构：

关键词： radish;Chinese cabbage;distant hybrid;organs;stress;pistil development;RT-qPCR;reference gene

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.753； 五年影响因子：6.612 ）

ISSN： 1664-462X

年卷期： 2017 年 8 卷

页码：

收录情况： SCI

摘要： Radish (R a p h a n u s s a t i v u s) is an important cruciferous root crop with a close relationship to Chinese cabbage (B r a s s i c a r a p a). RT-qPCR is used extensively to evaluate the expression levels of target genes, and accurate measurement of target gene expression with this method is determined by the valid reference genes used for data nomalization in different experimental conditions. Screening for appropriate reference genes with stable expression based on RT-qPCR data is important for gene expression and functional analysis research in radish and its relatives. However, many researches have thought that almost no single reference gene is widely suitable for all experimental conditions, and few researchers have paid attention to the validation of reference genes in radish gene expression analysis. In the present study, 12 candidate reference genes were selected for analysis. Their expression in 28 samples, including 20 radish samples from different organs and conditions, four Chinese cabbage organs and four organs of their distant hybrid, was assessed by RT-qPCR and then five software tools-1 Ct, geNorm, NormFinder, BestKeeper and RefFinder-were used to compare their expression stability. The results showed that the most suitable reference genes were different in different organs and conditions. G A P D H, D S S 1, and U P 2 were optimal reference genes for gene expression analysis in all organs and conditions in radish. U P R, G S N O R 1, and A C T I N 2 /7 were the most stable reference genes in different radish organs. U P 2 and G A P D H were suitable reference genes for radish pistil development studies. R P I I, U B C 9, and G A P D H had the most stable expression in radish under various stresses. D S S 1, U P 2, and T E F 2 were the optimal reference genes for Chinese cabbage organs, whereas T U A was optimal for the distant hybrid. U P 2, and T E F 2 were appropriate reference genes for all of the samples together. The optimal reference genes we identified, U P 2, G A P D H, U P R, and G S N O R 1 were verified

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