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Tomato UV-B receptor SlUVR8 mediates plant acclimation to UV-B radiation and enhances fruit chloroplast development via regulating SlGLK2.
Sci Rep. 2018 04 17; 8(1):6097.SR

Abstract

Plants utilize energy from sunlight to perform photosynthesis in chloroplast, an organelle that could be damaged by solar UV radiation. The ultraviolet-B (UV-B) photoreceptor UVR8 is required for UV-B perception and signal transduction. However, little is known about how UVR8 influence chloroplast development under UV-B radiation. Here, we characterized tomato UVR8 gene (SlUVR8) and our results indicated that SlUVR8 facilitate plant acclimation to UV-B stress by orchestrating expression of the UVB-responsive genes (HY5 and CHS) and accumulating UV-absorptive compounds. In addition, we also discovered that SlUVR8 promotes fruit chloroplast development through enhancing accumulation of transcription factor GOLDEN2-LIKE2 (SlGLK2) which determines chloroplast and chlorophyll levels. Furthermore, UV-B radiation could increase expression of SlGLK2 and its target genes in fruits and leaves. SlUVR8 is required for UVB-induced SlGLK2 expression. Together, our work not only identified the conserved functions of SlUVR8 gene in response to UV-B stress, but also uncovered a novel role that SlUVR8 could boost chloroplast development by accumulating SlGLK2 proteins.

Authors+Show Affiliations

Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China. CAS Center for Excellence in Molecular Plant Sciences, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China. Shaanxi University of Chinese Medicine/Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi Sheng, China.School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, 230009, China.School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, 230009, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China. School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China.Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China. liu_ys@scu.edu.cn. School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, 230009, China. liu_ys@scu.edu.cn.CAS Center for Excellence in Molecular Plant Sciences, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China. wangsh1@cib.ac.cn.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29666396

Citation

Li, Huirong, et al. "Tomato UV-B Receptor SlUVR8 Mediates Plant Acclimation to UV-B Radiation and Enhances Fruit Chloroplast Development Via Regulating SlGLK2." Scientific Reports, vol. 8, no. 1, 2018, p. 6097.
Li H, Li Y, Deng H, et al. Tomato UV-B receptor SlUVR8 mediates plant acclimation to UV-B radiation and enhances fruit chloroplast development via regulating SlGLK2. Sci Rep. 2018;8(1):6097.
Li, H., Li, Y., Deng, H., Sun, X., Wang, A., Tang, X., Gao, Y., Zhang, N., Wang, L., Yang, S., Liu, Y., & Wang, S. (2018). Tomato UV-B receptor SlUVR8 mediates plant acclimation to UV-B radiation and enhances fruit chloroplast development via regulating SlGLK2. Scientific Reports, 8(1), 6097. https://doi.org/10.1038/s41598-018-24309-y
Li H, et al. Tomato UV-B Receptor SlUVR8 Mediates Plant Acclimation to UV-B Radiation and Enhances Fruit Chloroplast Development Via Regulating SlGLK2. Sci Rep. 2018 04 17;8(1):6097. PubMed PMID: 29666396.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Tomato UV-B receptor SlUVR8 mediates plant acclimation to UV-B radiation and enhances fruit chloroplast development via regulating SlGLK2. AU - Li,Huirong, AU - Li,Yuxiang, AU - Deng,Heng, AU - Sun,Xiaochun, AU - Wang,Anquan, AU - Tang,Xiaofeng, AU - Gao,Yongfeng, AU - Zhang,Ning, AU - Wang,Lihuan, AU - Yang,Shuzhang, AU - Liu,Yongsheng, AU - Wang,Songhu, Y1 - 2018/04/17/ PY - 2017/05/16/received PY - 2018/03/27/accepted PY - 2018/4/19/entrez PY - 2018/4/19/pubmed PY - 2019/10/11/medline SP - 6097 EP - 6097 JF - Scientific reports JO - Sci Rep VL - 8 IS - 1 N2 - Plants utilize energy from sunlight to perform photosynthesis in chloroplast, an organelle that could be damaged by solar UV radiation. The ultraviolet-B (UV-B) photoreceptor UVR8 is required for UV-B perception and signal transduction. However, little is known about how UVR8 influence chloroplast development under UV-B radiation. Here, we characterized tomato UVR8 gene (SlUVR8) and our results indicated that SlUVR8 facilitate plant acclimation to UV-B stress by orchestrating expression of the UVB-responsive genes (HY5 and CHS) and accumulating UV-absorptive compounds. In addition, we also discovered that SlUVR8 promotes fruit chloroplast development through enhancing accumulation of transcription factor GOLDEN2-LIKE2 (SlGLK2) which determines chloroplast and chlorophyll levels. Furthermore, UV-B radiation could increase expression of SlGLK2 and its target genes in fruits and leaves. SlUVR8 is required for UVB-induced SlGLK2 expression. Together, our work not only identified the conserved functions of SlUVR8 gene in response to UV-B stress, but also uncovered a novel role that SlUVR8 could boost chloroplast development by accumulating SlGLK2 proteins. SN - 2045-2322 UR - https://www.unboundmedicine.com/medline/citation/29666396/Tomato_UV_B_receptor_SlUVR8_mediates_plant_acclimation_to_UV_B_radiation_and_enhances_fruit_chloroplast_development_via_regulating_SlGLK2_ L2 - https://doi.org/10.1038/s41598-018-24309-y DB - PRIME DP - Unbound Medicine ER -