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Identification of chilling-responsive transcripts in peanut (Arachis hypogaea L.) Electron. J. Biotechnol.
Tang,Yue Yi; Wang,Chuan Tang; Yang,Guan Pin; Feng,Tong; Gao,Hua Yuan; Wang,Xiu Zhen; Chi,Xiao Yuan; Xu,Ya Long; Wu,Qi; Chen,Dian Xu.
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 2ºC and 15ºC, 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...
Tipo: Journal article Palavras-chave: Chilling response; Peanut; Real-time quantitative PCR; Suppression subtractive hybridization.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000500005
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Isolation and analysis of differentially expressed genes from peanut in response to challenge with Ralstonia solanacearum Electron. J. Biotechnol.
Ding,Yu Fei; Wang,Chuan Tang; Tang,Yue Yi; Wang,Xiu Zhen; Wu,Qi; Hu,Dong Qing; Yu,Hong Tao; Zhang,Jian Cheng; Cui,Feng Gao; Song,Guo Sheng; Gao,Hua Yuan; Yu,Shan Lin.
Background: Bacterial wilt caused by Ralstonia solanacearum is the most devastating disease in peanut. Planting resistant peanut cultivars is deemed as the sole economically viable means for effective control of the disease. To understand the molecular mechanism underlying resistance and facilitate breeding process, differences in gene expression between seeds of Rihua 1 (a Virginia type peanut variety resistant to bacterial wilt) inoculated with the bacterial pathogen suspension (10(9) cfu ml-1) and seeds of the same cultivar treated with water (control), were studied using the GenefishingTM technology. Results: A total of 25 differentially expressed genes were isolated. Expression of genes encoding cyclophilin and ADP-ribosylation factor, respectively,...
Tipo: Journal article Palavras-chave: Arachis hypogaea; ARF; Cyclophilin; Differentially expressed genes; Genefishing; Ralstonia solanacearum.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582012000500001
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