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High Throughput Sequencing of circRNAs in Tomato Leaves Responding to Multiple Stresses of Drought and Heat

High Throughput Sequencing of circRNAs in Tomato Leaves Responding to Multiple Stresses of Drought and Heat

作     者:Rong Zhou Xiaqing Yu Carl-Otto Ottosen Tongmin Zhao Rong Zhou;Xiaqing Yu;Carl-Otto Ottosen;Tongmin Zhao

作者机构:Department of Food ScienceAarhus UniversityArslev DK-5792Denmark Laboratory for Genetic Improvement of High Efficiency Horticultural Crops in Jiangsu ProvinceInstitute of Vegetable CropJiangsu Province Academy of Agricultural SciencesNanjing 210014China National Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjing 210095China 

出 版 物:《Horticultural Plant Journal》 (园艺学报(英文版))

年 卷 期:2020年第6卷第1期

页      面:34-38页

核心收录:

学科分类:09[农学] 0902[农学-园艺学] 090202[农学-蔬菜学] 

基  金:funding from National Natural Science Foundation of China (Grant No. 31601745) Natural Science Foundation of Jiangsu Province (Grant No. BK20160579) Aarhus University Research Foundation (Grant No. 30379) 

主  题:Solanum lycopersicum circRNAs High throughput sequencing High temperature Water shortage 

摘      要:Our aim is to study the roles of a new emerging group of non-coding RNAs, circRNAs, in tomato(Solanum lycopersicum L.) plants grown at the combination of drought and heat, two of the most usual stress conditions known to frequently happen in field. Tomato seedlings from cultivar‘Jinling Meiyu’ were treated without stresses(control), at water shortage, high temperature and subjected the multiple stresses. In total, 467 circRNAs were identified with 87.82% from exon using high throughput sequencing technology. Among the circRNAs, 70 were from chr1 with the range from 23 to 49 from the other chromosomes. In detail, 156 circRNAs were shared in the four libraries, while 21, 17 and 36 circRNAs were only shown in drought, heat and multiple stresses libraries, respectively. Through a differential expression analysis, four, seven and nine circRNAs were differentially regulated in tomato at drought, heat and multiple stresses as compared with control. These circRNAs played roles on photosynthesis, starch and sucrose metabolism, RNA transport, RNA degradation, spliceosome, ribosome, etc. Our study underlined the potential role of circRNAs involved in the abiotic stress response in tomato, which might pave the way for studying biological roles of circRNAs responding to multiple stresses in plants.

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