Artículo
Effect of Dipeptides on the Growth of Oenococcus oeni in Synthetic Medium Deprived of Amino Acids
Fecha de publicación:
11/2004
Editorial:
Springer
Revista:
Current Microbiology
ISSN:
0343-8651
e-ISSN:
1432-0991
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Oenococcus oeni has numerous amino acid requirements for growth and dipeptides could be important for its nutrition. In this paper the individual or combined effect of dipeptides on growth of O. oeni X2L in synthetic media deficient in one or more amino acids with L-malic acid was investigated. Utilization of dipeptides, glucose, and L-malic acid was also analyzed. Dipeptides were constituted by at least one essential amino acid for growth. Dipeptides containing two essential amino acids, except leucine, had a more favorable effect than free amino acids on the growth rate. Gly-Gly was consumed to a greater extent than Leu-Leu and a rapid exodus of glycine to the extracellular medium accompanied it. The microorganism could use glycine in exchange for other essential amino acids outside the cell, favoring growth. In the presence of Leu-Leu, the increase in glucose consumption rate could be related to the additional energy required for dipeptide uptake.
Palabras clave:
Lactic Acid Bacteria
,
Oenococcus Oeni
,
Wine Bacterium
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos(CERELA)
Articulos de CENTRO DE REFERENCIA PARA LACTOBACILOS (I)
Articulos de CENTRO DE REFERENCIA PARA LACTOBACILOS (I)
Citación
Aredes Fernández, Pedro Adrián; Saguir de Zucal, Fabiana Maria; Manca, Maria Cristina; Effect of Dipeptides on the Growth of Oenococcus oeni in Synthetic Medium Deprived of Amino Acids; Springer; Current Microbiology; 49; 5; 11-2004; 361-365
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