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Plant Ca2+-ATPases: From biochemistry to signalling by Alex Costa; Francesca Resentini; Stefano Buratti; Maria Cristina Bonza is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Plant Ca2+-ATPases: From biochemistry to signalling about?

Calcium (Ca2+)-ATPases are ATP-dependent enzymes that transport Ca2+ ions against their electrochemical gradient playing the fundamental biological function of keeping the free cytosolic Ca2+ concentration in the submicromolar range to prevent cytotoxic effects. In plants, type IIB autoinhibited Ca2+-ATPases (ACAs) are localised both at the plasma membrane and at the endomembranes including endoplasmic reticulum (ER) and tonoplast and their activity is primarily regulated by Ca2+-dependent mechanisms. Instead, type IIA ER-type Ca2+-ATPases (ECAs) are present mainly at the ER and Golgi Apparatus membranes and are active at resting Ca2+. Whereas research in plants has historically focused on the biochemical characterization of these pumps, more recently the attention has been also addressed on the physiological roles played by the different isoforms. This review aims to highlight the main biochemical properties of both type IIB and type IIA Ca2+ pumps and their involvement in the shaping of cellular Ca2+ dynamics induced by different stimuli.

Who reads Plant Ca2+-ATPases: From biochemistry to signalling?

Author

Alex Costa; Francesca Resentini; Stefano Buratti; Maria Cristina Bonza

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)