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The response of LncRNAs associated with photosynthesis-and pigment synthesis-related genes to green light in Chlamydomonas reinhardtii

文献类型： 外文期刊

作者： Liu, Menghua 1 ; Wang, Longxin 1 ; Yu, Qianqian 1 ; Song, Jialin 1 ; Zhu, Lixia 1 ; Jia, Kai-Hua 3 ; Qin, Xiaochun 1 ;

作者机构： 1.Univ Jinan, Sch Biol Sci & Technol, Jinan 250022, Peoples R China

2.Shandong Univ Arts, Jinan, Peoples R China

3.Shandong Acad Agr Sci, Inst Crop Germplasm Resources, Key Lab Crop Genet Improvement & Ecol & Physiol, Jinan, Peoples R China

关键词： Chlamydomonas reinhardtii; Green light; RNA sequencing; Photosynthesis; Pigment synthesis

期刊名称：PHOTOSYNTHESIS RESEARCH （ 影响因子：3.7； 五年影响因子：3.6 ）

ISSN： 0166-8595

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The quality of light is an important abiotic factor that affects the growth and development of green plants. Ultraviolet, red, blue, and far-red light all have demonstrated roles in regulating green plant growth and development, as well as light morphogenesis. However, the mechanism underlying photosynthetic organism responses to green light throughout the life of them are not clear. In this study, we exposed the unicellular green alga Chlamydomonas reinhardtii to green light and analyzed the dynamics of transcriptome changes. Based on the whole transcriptome data from C. reinhardtii, a total of 9974 differentially expressed genes (DEGs) were identified under green light. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses indicated that these DEGs were mainly related to "carboxylic acid metabolic process," "enzyme activity," "carbon metabolism," and "photosynthesis and other processes." At the same time, 253 differentially expressed long non-coding RNAs (DELs) were characterized as green light responsive. We also made a detailed analysis of the responses of photosynthesis- and pigment synthesis-related genes in C. reinhardtii to green light and found that these genes exhibited obvious dynamic expression. Lastly, we constructed a co-expression regulatory network, comprising 49 long non-coding RNAs (lncRNAs) and 20 photosynthesis and pigment related genes, of which 9 mRNAs were also the predicted trans/cis-targets of 8 lncRNAs, these results suggested that lncRNAs may affect the expression of mRNAs related to photosynthesis and pigment synthesis. Our findings give a preliminary explanation of the response mechanism of C. reinhardtii to green light at the transcriptional level.

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