Abstract

Vacuolar Н+-АТPase is one of the most crucial and widely spread proton-transporting enzymes of eukaryotic cells. It fulfils many vital functions. The enzyme is represented as a multisubunit complex, organized in two domains, V1 and V0. The review summarizes modern data on plant cell H+-V-ATPase. Regulation of proton pump activity is analyzed for different level of plant organism complicity. A number of vacuolar Н+-АТPase subunits are encoded by more than one gene. Thus the importance of regulation at transcription level is discussed. Special attention is paid to analysis of different ways of regulating activity of the enzyme at post-translation level. Refs 60. Table 1.

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