Metabolic and physiological functions of Patatin-like phospholipase-A in plants

Patatin-like phospholipase-A (pPLA) is a class of lipid acyl hydrolase enzymes found in both, the animal and plant kingdoms. Plant pPLAs are related to the potato tuber storage protein patatin in solanaceous plants. Despite extensive investigation of pPLA functions in the animal system, the mechanis...

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Veröffentlicht in:International journal of biological macromolecules 2024-12, Vol.287, p.138474
Hauptverfasser: Sonkar, Kamankshi, Singh, Amarjeet
Format: Artikel
Sprache:eng
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Zusammenfassung:Patatin-like phospholipase-A (pPLA) is a class of lipid acyl hydrolase enzymes found in both, the animal and plant kingdoms. Plant pPLAs are related to the potato tuber storage protein patatin in solanaceous plants. Despite extensive investigation of pPLA functions in the animal system, the mechanistic functional details and regulatory roles of pPLA are poorly understood in plants. In recent years, research pertaining to pPLAs has gain some momentum as some of the key members of pPLA family have been characterized functionally. These findings have provided key insights into the structural features, biochemical activities, and functional roles of plant pPLAs. In this review, we are presenting a holistic overview of pPLAs in plants and providing the latest updates on pPLA research. We have highlighted the genomic diversity and structural features of pPLAs in plants. Importantly, we have discussed the role of pPLAs in lipid metabolism, including sphingolipid metabolism, lignin and cellulose accumulation, lipid breakdown and seed oil content enhancement. Moreover, regulatory roles of pPLAs in physiological processes, such as plant stress response, plant-pathogen interactions and plant development have been discussed. This information will be critical in the biotechnological programs for crop improvement.
ISSN:0141-8130
1879-0003
1879-0003
DOI:10.1016/j.ijbiomac.2024.138474