Abstract
cDNA encoding the plasma membrane H(+)-ATPase of guard cells of Vicia faba L. was isolated. The clone encoded a 105-kDa polypeptide (956 amino acids) that was 79-85% identical in terms of amino acid sequence to other plant H(+)-ATPases. High levels of mRNA explain the high H(+)-ATPase activity of these plasma membranes.
MeSH terms
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Amino Acid Sequence
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Base Sequence
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Blotting, Northern
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Cell Membrane / enzymology*
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Cloning, Molecular
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DNA, Complementary / genetics
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Fabaceae / enzymology
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Fabaceae / genetics*
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Molecular Sequence Data
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Plant Leaves / cytology
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Plant Leaves / enzymology*
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Plants, Medicinal*
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Proton-Translocating ATPases / genetics*
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Sequence Analysis, DNA
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Sequence Homology, Amino Acid
Substances
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DNA, Complementary
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Proton-Translocating ATPases