P. Vanni

Publications96
h-index15
Citations846
Highly Influential Citations18
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Comparative structure, function and regulation of isocitrate lyase, an important assimilatory enzyme.
Article de synthese sur l'isocitrate lyase, isolement, comparaison des techniques de purification, etude de sa structure, de sa specificite, de sa stabilite et analyse cinetique
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Na+-dependent, electroneutral L-ascorbate transport across brush border membrane vesicles from guinea pig small intestine.
In brush border vesicles from guinea pig small intestine L-ascorbate transport is Na+-dependent and electroneutral (in the presence of Na+, as shown by its lack of response to either positive or… Expand
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Isocitrate lyase of conifers (Pinus pinea).
1. Isocitrate lyase has been purified about 60 times from the conifer Pinus pinea. A first characterization was made. 2. The high instability is an important feature of this enzyme from higher… Expand
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Is the salivary "ferning" a reliable index of the fertile period?
We found that the fern leaf crystallisation of human saliva is a non-specific phenomenon, independent on the action of estrogenic hormones. Salivary ferning can be obtained in practice during the… Expand
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A new continuous optical assay for isocitrate lyase
A new continuous optical assay method for isocitrate lyase is reported. This is a coupled assay which requires lactate dehydrogenase as an ancillary enzyme. The method yields linear data up to 0.12… Expand
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Isocitrate lyase from higher plants
Abstract Work on isocitrate lyase, the first enzyme unique to the glyoxylate cycle, is reviewed.
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An enzyme levels profile drawn from the study of the main metabolic pathways of the brain in different animals.
Abstract 1. 1. We report some preliminary results of a systematic study on brain enzymes involved in glycolysis and pentose phosphate shunt for twelve unrelated species ranging from Fishes to… Expand
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What students must know about the determination of enzyme kinetic parameters
Abstract After a brief overview of the limits of the graphical methods used to determine enzyme kinetic parameters, the paper shows the results of their application to simulated velocity data,… Expand
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Multisite inhibition of Pinus pinea isocitrate lyase by phosphate.
Our results show that the phosphate ion is a nonlinear competitive inhibitor of Pinus pinea isocitrate lyase. In addition, this compound induces a sigmoidal response of the enzyme, which usually… Expand
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  • PDF
Gravitational stress on germinating Pinus pinea seeds.
In the germination of lipid-rich seeds, the glyoxylate cycle plays a control role in that, bypassing the two decarboxylative steps of the Krebs cycle; it allows the net synthesis of carbohydrates… Expand
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