期刊
CELLS
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/cells10113134
关键词
chlorophyll cycle; chlorophyll turnover; chlorophyll degradation; pathway; enzymes
类别
资金
- National Natural Science Foundation of China [32000197, 31870265]
- China Postdoctoral Science Foundation [2019T120467]
- Innovative and Entrepreneurial Doctor of Jiangsu Province
Chlorophylls are crucial tetrapyrrole molecules in photosynthesis, undergoing interconversion, turnover, and degradation in response to environmental changes or developmental processes. Research has made significant progress in understanding the metabolic processes of chlorophylls, identifying new pathways and associated enzymes.
Chlorophylls (Chls, Chl a and Chl b) are tetrapyrrole molecules essential for photosynthetic light harvesting and energy transduction in plants. Once formed, Chls are noncovalently bound to photosynthetic proteins on the thylakoid membrane. In contrast, they are dismantled from photosystems in response to environmental changes or developmental processes; thus, they undergo interconversion, turnover, and degradation. In the last twenty years, fruitful research progress has been achieved on these Chl metabolic processes. The discovery of new metabolic pathways has been accompanied by the identification of enzymes associated with biochemical steps. This article reviews recent progress in the analysis of the Chl cycle, turnover and degradation pathways and the involved enzymes. In addition, open questions regarding these pathways that require further investigation are also suggested.
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