Journal
CRITICAL REVIEWS IN BIOTECHNOLOGY
Volume 43, Issue 3, Pages 384-392Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/07388551.2022.2032588
Keywords
Abiotic stress; biochemistry; diacylglycerol; enzymes; plant lipids; lipid metabolism
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This article summarizes the research progress of lipid phosphate phosphatases (LPPs) in plants, emphasizing the structural and biochemical characteristics of LPPs and their role in spatio-temporal regulation. Further studies are needed to enhance our understanding of the key role of plant LPPs and lipid metabolism in signal regulation, stress tolerance pathway, and plant growth and development.
Lipids are widely distributed in various tissues of an organism, mainly in plant storage organs (e.g., fruits, seeds, etc.). Lipids are vital biological substances that are involved in: signal transduction, membrane biogenesis, energy storage, and the formation of transmembrane fat-soluble substances. Some lipids and related lipid derivatives could be changed in their: content, location, or physiological activity by the external environment, such as biotic or abiotic stresses. Lipid phosphate phosphatases (LPPs) play important roles in regulating intermediary lipid metabolism and cellular signal response. LPPs can dephosphorylate lipid phosphates containing phosphate monolipid bonds such as: phosphatidic acid, lysophosphatidic acid (LPA), and diacylglycerol pyrophosphate, etc. These processes can change the contents of some important lipid signal mediation such as diacylglycerol and LPA, affecting lipid signal transmission. Here, we summarize the research progress of LPPs in plants, emphasizing the structural and biochemical characteristics of LPPs and their role in spatio-temporal regulation. In the future, more in-depth studies are required to boost our understanding of the key role of plant LPPs and lipid metabolism in: signal regulation, stress tolerance pathway, and plant growth and development.
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