Identification of chilling-responsive transcripts in peanut (Arachis hypogaea L.)
文献类型: 外文期刊
第一作者: Wang, Chuan Tang
作者: Wang, Chuan Tang;Wang, Xiu Zhen;Chi, Xiao Yuan;Wu, Qi;Chen, Dian Xu;Tang, Yue Yi;Yang, Guan Pin;Feng, Tong;Gao, Hua Yuan;Xu, Ya Long
作者机构:
关键词: chilling response;peanut;real-time quantitative PCR;suppression subtractive hybridization
期刊名称:ELECTRONIC JOURNAL OF BIOTECHNOLOGY ( 影响因子:2.8; 五年影响因子:3.379 )
ISSN: 0717-3458
年卷期: 2011 年 14 卷 5 期
页码:
收录情况: SCI
摘要: To isolate differentially expressed peanut genes responsive to chilling, a suppression subtractive hybridization (SSH) cDNA library was constructed for a chilling tolerant peanut cultivar A4 with mRNAs extracted from the seeds imbibed at 2 degrees C and 15 degrees C, respectively, for 24 hrs. A total of 466 cDNA clones were sequenced, from which 193 unique transcripts (73 contigs and 120 singlets) were assembled. Of these unique transcripts, 132 (68.4%) were significantly similar to the sequences in GenBank non-redundant (nr) protein database, which belonged to diverse functional categories including metabolism, signal transduction, stress response, cell defense and transcriptional regulation. The remaining 61 (31.6%) showed no similarity to either hypothetical or known proteins. Six differentially expressed transcripts were further confirmed with real-time quantitative PCR (RT-qPCR).
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