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Grape berry vacuole : a complex and heterogeneous membrane system specialized i...
Fontes, N.; Gerós, H.; Delrot, SergeVacuoles fulfill highly specialized functions depending on cell type and tissue and plant developmental stage. This complex and dynamic organelle is the main reservoir of grape berry cells, playing a major role during fruit development and ripening. Berry development is accompanied by modifications in size, composition, color, texture, flavor, and pathogen susceptibility, primarily because of changes in vacuola...
Biochemical changes throughout grape berry development and fruit and wine quality
Conde, C.; Silva, Paulo; Fontes, N.; Dias, Alberto Carlos Pires; Tavares, R. M.; Sousa, Maria João; Agasse, A.; Delrot, Serge; Gerós, H.Wine is made up of more than one thousand compounds, the majority of which, such as vitamins and minerals, come from the grapes, while others, like ethanol and glycerol, are products of the winemaking process. Although sugars are either partially or completely transformed, sugar import and accumulation into the ripening berry is a major parameter of wine quality. Sugar status is directly related to the final al...
Pathways of glucose regulation of monosaccharide transport in grape cells
Conde, Carlos; Agasse, A.; Glissant, David; Tavares, R. M.; Gerós, H.; Delrot, SergeGrape (Vitis vinifera) heterotrophic suspension-cultured cells were used as a model system to study glucose (Glc) transport and its regulation. Cells transported D-[14C]Glc according to simple Michaelis-Menten kinetics superimposed on first-order kinetics. The saturating component is a high-affinity, broad-specificity H+-dependent transport system (Km = 0.05 mM). Glc concentration in the medium tightly regulate...
Utilization and transport of mannitol in Olea europaea and their implications o...
Conde, C.; Agasse, A.; Lemoine, Remi; Delrot, Serge; Tavares, R. M.; Gerós, H.Comunicação em painel no congresso "14th Congress of the Federation of European Societies of Plant Biology". August 23-27. 2004. Cracow. Poland.
Mechanisms and regulation of monosaccharide transport in suspension cultured ce...
Conde, C.; Agasse, A.; Delrot, Serge; Tavares, R. M.; Gerós, H.Apresentação efectuada no "14th Congress of the Federation of European Societies of Plant Biology", em Cracow, Polland em 2004.
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