Extensive Post-Transcriptional Regulation Revealed by Transcriptomic and Proteomic Integrative Analysis in Cassava under Drought
文献类型： 外文期刊
作者： Ding, Zehong 1 ; Fu, Lili 1 ; Tie, Weiwei 1 ; Yan, Yan 1 ; Wu, Chunlai 1 ; Hu, Wei 1 ; Zhang, Jiaming 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Key Lab Biol & Genet Resources Trop Crops, Xueyuan Rd 4, Haikou 571101, Hainan, Peoples R China
2.Huazhong Univ Sci & Technol, Chinese Natl Ctr Plant Gene Res Wuhan HUST Part, Genet Engn Int Cooperat Base,Key Lab Mol Biophys, Chinese Minist Educ,Coll Life Sci & Technol,Chine, Wuhan 430074, Hubei, Peoples R China
关键词： drought; cassava; RNA-seq; iTRAQ; post-transcriptional regulation; heat shock protein; secondary metabolism; hormone biosynthesis
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）
ISSN： 0021-8561
年卷期： 2019 年 67 卷 12 期
页码：
收录情况： SCI
摘要： Cassava is a major tropical/subtropical food crop and its yield is greatly restrained by drought; however, the mechanism underlying the drought stress remains largely unknown. In this study, totally 1242 and 715 differentially expressed genes (DEGs), together with 237 and 307 differentially expressed proteins (DEPs), were respectively identified in cassava leaves and roots through RNA-seq and iTRAQ techniques. The majority of DEGs and DEPs were exclusively regulated at the mRNA and protein level, respectively, whereas only a few were commonly regulated, indicating the major involvement of post transcriptional regulation under drought. Subsequently, the functions of these specifically or commonly regulated DEGs and DEPs were analyzed, and the post-transcriptional regulation of genes involved in heat shock protein, secondary metabolism biosynthesis, and hormone biosynthesis was extensively discussed. This is the first report on an integration of transcriptomic and proteomic analysis in cassava, and it provides new insights into the post-transcriptional regulation of cassava drought stress.
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