Transport of glutamate in Oenococcus oeni 8403 |
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| Authors: | Vasserot Y Dion C Bonnet E Tabary I Maujean A Jeandet P |
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| Affiliation: | Laboratoire d'Oenologie, UPRES EA 2069, URVVC, Faculté des Sciences, Université de Reims, BP 1039, 51687 Reims, France. yann.vasserot@univ-reims.fr |
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| Abstract: | The transport of L-glutamate in Oenococcus oeni 8403 is energy dependent. It could be activated either by carbohydrate or arginine metabolism, and it was shown to be stimulated by L-malic acid at low pH values. Transport was optimal at pH 7.0. The apparent affinity constants for transport (KT) was 0.98 microM at pH 7.0. L-glutamate uptake was inhibited by glutamine, asparagine and L-aspartate. |
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