De novo transcriptome sequencing and gene expression profiling of spinach (Spinacia oleracea L.) leaves under heat stress
文献类型： 外文期刊
作者： Yan, Jun 1 ; Yu, Li 1 ; Xuan, Jiping 2 ; Lu, Ying 1 ; Lu, Shijun 1 ; Zhu, Weimin 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Hort Res Inst, Key Lab Protected Hort Technol, Shanghai 201403, Peoples R China
2.Inst Bot, Nanjing 210014, Jiangsu, Peoples R China
3.Chinese Acad Sci, Nanjing 210014, Jiangsu, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2016 年 6 卷
页码：
收录情况： SCI
摘要： Spinach (Spinacia oleracea) has cold tolerant but heat sensitive characteristics. The spinach variety 'Island,' is suitable for summer periods. There is lack molecular information available for spinach in response to heat stress. In this study, high throughput de novo transcriptome sequencing and gene expression analyses were carried out at different spinach variety 'Island' leaves (grown at 24 degrees C (control), exposed to 35 degrees C for 30 min (S1), and 5 h (S2)). A total of 133,200,898 clean reads were assembled into 59,413 unigenes (average size 1259.55 bp). 33,573 unigenes could match to public databases. The DEG of controls vs S1 was 986, the DEG of control vs S2 was 1741 and the DEG of S1 vs S2 was 1587. Gene Ontology (GO) and pathway enrichment analysis indicated that a great deal of heat-responsive genes and other stress-responsive genes were identified in these DEGs, suggesting that the heat stress may have induced an extensive abiotic stress effect. Comparative transcriptome analysis found 896 unique genes in spinach heat response transcript. The expression patterns of 13 selected genes were verified by RT-qPCR (quantitative real-time PCR). Our study found a series of candidate genes and pathways that may be related to heat resistance in spinach.
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