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Deciphering the roles of circRNAs on chilling injury in tomato

文献类型: 外文期刊

作者: Zuo, Jinhua 1 ; Wang, Qing 1 ; Zhu, Benzhong 2 ; Luo, Yunbo 2 ; Gao, Lipu 1 ;

作者机构: 1.Beijing Acad Agr & Forestry Sci, Beijing Key Lab Fruits & Vegetable Storage & Proc, Natl Engn Res Ctr Vegetables, Beijing 100097, Peoples R China

2.China Agr Univ, Coll Food Sci & Nutr Engn, Dept Food Biotechnol, Lab Postharvest Mol Biol Fruits & Vegetables, Beijing 100083, Peoples R China

关键词: circRNAs;Chilling injury;Tomato fruit

期刊名称:BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS ( 影响因子:3.575; 五年影响因子:3.381 )

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收录情况: SCI

摘要: Various circular RNAs (circRNAs) are newly identified in animals and plants through high-throughput deep sequencing which play important roles in miRNA function and transcriptional controlling. However, little is known regarding circRNAs in tomato fruit. In this study, we systematically parse the circRNAs in the whole genome using the combination methods of deep sequencing and bioinformatics. In all, 854 circRNAs were identified in our results, among them, 163 circRNAs exhibit chilling responsive expression. Intriguingly, several circRNAs were predicted to involved in chilling responsive process, such as redox reaction, cell wall degradation, Arginine and polyamine metabolism, heat and cold shock protein, energy metabolism, Jasmonic acid and abscisic acid metabolism, low temperature and salt responsive protein and low temperature-induced transcription factors(CBF and WRKY). Furthermore, 102 circRNAs were found to act as the corresponding 24 miRNAs sponges in tomato. These discoveries deciphered the unexpected complexity of the regulatory circRNAs and may open a window for understanding the functions of circRNAs in plants. (C) 2016 Elsevier Inc. All rights reserved.

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