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  • Title: Genome-wide expression analysis of phospholipase A1 (PLA1) gene family suggests phospholipase A1-32 gene responding to abiotic stresses in cotton.
    Author: Zhang H, Zhang Y, Xu N, Rui C, Fan Y, Wang J, Han M, Wang Q, Sun L, Chen X, Lu X, Wang D, Chen C, Ye W.
    Journal: Int J Biol Macromol; 2021 Dec 01; 192():1058-1074. PubMed ID: 34656543.
    Abstract:
    Cotton is the most important crop for the production of natural fibres used in the textile industry. High salinity, drought, cold and high temperature represent serious abiotic stresses, which seriously threaten cotton production. Phospholipase AS has an irreplaceable role in lipid signal transmission, growth and development and stress events. Phospholipase A can be divided into three families: PLA1, PLA2 and pPLA. Among them, the PLA1 family is rarely studied in plants. In order to study the potential functions of the PLA1 family in cotton, the bioinformatics analysis of the PLA1 family was correlated with cotton adversity, and tissue-specific analysis was performed. Explore the structure-function relationship of PLA1 members. It is found that the expression of GbPLA1-32 gene is affected by a variety of environmental stimuli, indicating that it plays a very important role in stress and hormone response, and closely associates the cotton adversity with this family. Through further functional verification, we found that virus-induced GbPLA1-32 gene silencing (VIGS) caused Gossypium barbadense to be sensitive to salt stress. This research provides an important basis for further research on the molecular mechanism of cotton resistance to abiotic stress.
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