Physiological activators of invertase from Hevea brasiliensis latex

Potassium or sodium nitrates or phosphates, and thiols such as reduced glutathione or cysteine, stimulate the activity of invertase from Hevea brasiliensis latex. These activators raise the V max but do not affect the K m of the enzyme for sucrose. The action of these effectors is additive. Their ef...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1982, Vol.21 (4), p.851-853
Main Authors: Jacob, Jean-Louis, Prevôt, Jean-Claude, D'Auzac, Jean
Format: Article
Language:English
Subjects:
beta -D-fructofuranosidase
Euphorbiaceae
Hevea brasiliensis
invertase activators
latex
nitrate
phosphate
plant biochemistry
plant physiology
thiols
β-fructofuranosidase
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Summary:Potassium or sodium nitrates or phosphates, and thiols such as reduced glutathione or cysteine, stimulate the activity of invertase from Hevea brasiliensis latex. These activators raise the V max but do not affect the K m of the enzyme for sucrose. The action of these effectors is additive. Their efficiency is pH dependent, being higher below pH 7.0 and markedly decreasing above it.
ISSN:0031-9422
1873-3700
DOI:10.1016/0031-9422(82)80078-2