Transcriptome Analyses Provide Novel Insights into Heat Stress Responses in Chieh-Qua (Benincasa hispida Cogn. var. Chieh-Qua How)
文献类型： 外文期刊
作者： Wang, Min 1 ; Jiang, Biao 1 ; Liu, Wenrui 1 ; Lin, Yu'e 1 ; Liang, Zhaojun 1 ; He, Xiaoming 1 ; Peng, Qingwu 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Key Lab New Technol Res Vegetables, Guangzhou 510640, Guangdong, Peoples R China
关键词： RNA-Seq; DEGs; HSPs; cytochrome P450; bHLHs; chieh-qua
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN： 1422-0067
年卷期： 2019 年 20 卷 4 期
页码：
收录情况： SCI
摘要： Temperature rising caused by global warming has imposed significant negative effects on crop qualities and yields. To get the well-known molecular mechanism upon the higher temperature, we carefully analyzed the RNA sequencing-based transcriptomic responses of two contrasting chieh-qua genotypes: A39 (heat-tolerant) and H5 (heat-sensitive). In this study, twelve cDNA libraries generated from A39 and H5 were performed with a transcriptome assay under normal and heat stress conditions, respectively. A total of 8705 differentially expressed genes (DEGs) were detected under normal conditions (3676 up-regulated and 5029 down-regulated) and 1505 genes under heat stress (914 up-regulated and 591 down-regulated), respectively. A significant positive correlation between RNA-Seq data and qRT-PCR results was identified. DEGs related to heat shock proteins (HSPs), ubiquitin-protein ligase, transcriptional factors, and pentatricopeptide repeat-containing proteins were significantly changed after heat stress. Several genes, which encoded HSPs (CL2311.Contig3 and CL6612.Contig2), cytochrome P450 (CL4517.Contig4 and CL683.Contig7), and bHLH TFs (CL914.Contig2 and CL8321.Contig1) were specifically induced after four days of heat stress. DEGs detected in our study between these two contrasting cultivars would provide a novel basis for isolating useful candidate genes of heat stress responses in chieh-qua.
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