PJB-2022-102
ATP Synthase Subunit: Function and expression in Plants under Stress Conditions
Iqra Noreen
Abstract
Mitochondrial F1F0 -ATP synthase is a vital enzymatic complex in energy metabolism that provides the cell with ATP.Five complexes, which serve as electron transport and ATP synthesis sites carry out vital process of cellular oxidative phosphorylation. Complex V also known as the F1 F0 ATP synthase or ATPase is mainly involved in of production of ATP by phosphorylating ADP with electrochemical energy produced by the proton gradient across the inner membrane of mitochondria. Plant reproduction and survival are harmed by abiotic factors such as drought, salinity and high temperature. Previously genes of ATP synthase were to over express in stress conditions in plants. It was discovered that during abiotic stresses, such as salts, drought, and cold, expression of the AtMtATP6 gene in Arabidopsis was higher. In transgenic yeast and Arabidopsis plants, overexpression of the AtMtATP6 gene increased resistance to salts, drought, oxidative and cold stress. Mitochondrial F1 F0 -ATP synthase has also role in fiber elongation in cotton. Consequently, ATP synthase subunits gene is crucial for plant development and growth by providing cellular energy source to cell. Key words: Drought, salinity, metabolism, proton gradient, biotic and abiotic stress, oxidative, cotton, fiber, chaperons
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