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Differential expression of microRNAs in tomato leaves treated with different light qualities

文献类型： 外文期刊

作者： Dong, Fei 1 ; Wang, Chuanzeng 3 ; Dong, Yuhui 2 ; Hao, Shuqin 4 ; Wang, Lixia 5 ; Sun, Xiudong 2 ; Liu, Shiqi 2 ;

作者机构： 1.Shandong Acad Agr Sci, Vegetable & Flower Res Inst,Shandong Branch,Natl, Vegetable Sci Observat & Expt Stn Huang Huai Dist, Minist Agr,Shandong Key Lab Greenhouse Vegetable, Jinan 250100, Peoples R China

2.Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Shandong, Peoples R China

3.Shandong Acad Agr Sci, Jinan 250100, Peoples R China

4.Shandong Agr & Engn Univ, Jinan 250100, Peoples R China

5.Shenyang Agr Univ, Shenyang 110866, Peoples R China

6.State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China

7.Minist Agr, Key Lab Biol & Genet Improvement Hort Crops Huang, Tai An 271018, Shandong, Peoples R China

关键词： Tomato; Light quality; MicroRNA; Target gene; Plant hormone

期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）

ISSN： 1471-2164

年卷期： 2020 年 21 卷 1 期

页码：

收录情况： SCI

摘要： Background Light is the main source of energy and, as such, is one of the most important environmental factors for plant growth, morphogenesis, and other physiological responses. MicroRNAs (miRNAs) are endogenous non-coding RNAs that contain 21-24 nucleotides (nt) and play important roles in plant growth and development as well as stress responses. However, the role of miRNAs in the light response is less studied. We used tomato seedlings that were cultured in red light then transferred to blue light for 2 min to identify miRNAs related to light response by high-throughput sequencing. Results A total of 108 known miRNAs and 141 predicted novel miRNAs were identified in leaf samples from tomato leaves treated with the different light qualities. Among them, 15 known and 5 predicted novel miRNAs were differentially expressed after blue light treatment compared with the control (red light treatment). KEGG enrichment analysis showed that significantly enriched pathways included zeatin biosynthesis (ko00908), homologous recombination (ko03440), and plant hormone signal transduction (ko04075). Zeatin biosynthesis and plant hormone signal transduction are related to plant hormones, indicating that plant hormones play important roles in the light response. Conclusion Our results provide a theoretical basis for further understanding the role of miRNAs in the light response of plants.

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[1]Differential expression of microRNAs in tomato leaves treated with different light qualities. Dong, Fei,Dong, Fei,Dong, Yuhui,Sun, Xiudong,Liu, Shiqi,Wang, Chuanzeng,Hao, Shuqin,Wang, Lixia,Sun, Xiudong,Liu, Shiqi,Sun, Xiudong,Liu, Shiqi. 2020

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