New insights into the role of melatonin in photosynthesis

Author:

Yang Sijia1ORCID,Zhao Yuqing1ORCID,Qin Xiaolong1ORCID,Ding Chunbang1ORCID,Chen Yanger1ORCID,Tang Zizhong1ORCID,Huang Yan1ORCID,Reiter Russel J2ORCID,Yuan Shu3ORCID,Yuan Ming1ORCID

Affiliation:

1. College of Life Science, Sichuan Agricultural University , Ya’an , China

2. Department of Cellular and Structural Biology, UT Health Science Center , San Antonio, TX , USA

3. College of Resources, Sichuan Agricultural University , Chengdu , China

Abstract

Abstract There are numerous studies on enhancing plant resistance to stress using melatonin, but few studies about its effect on photosynthesis. Herein, we summarized the role of melatonin in photosynthesis. Melatonin regulates chlorophyll synthesis and degradation through the transcription of related genes and hormone signals. It protects photosynthetic proteins and maintains the photosynthetic process through improving the transcription of photosystem genes, activating the antioxidant system, and promoting the xanthophyll cycle. Melatonin potentially regulates plant stomatal movement through CAND2/PMTR1. Finally, it controls the photosynthetic carbon cycle by regulating the metabolism of sugar, the gluconeogenesis pathway, and the degradation and transport of transient starch.

Publisher

Oxford University Press (OUP)

Subject

Plant Science,Physiology

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