RT Journal Article
T1 Utilization of lactose and presence of the phospho-β-galactosidase (lacG) gene in Lactococcus garvieae isolates from different sources
A1 Aguado Urda, Mónica
A1 Cutuli Simón, M Teresa
A1 Blanco Gutiérrez, María Del Mar
A1 Aspiroz, Carmen
A1 Tejedor, José L
A1 Gibello Prieto, Alicia
A1 Fernández-Garayzábal Fernández, José Francisco
AB This study evaluates the utilization of lactose (Lac) and the presence of the phospho-β-galactosidase (lacG) gene as markers for distinguishing between fish (Lac-/lacG-) and dairy isolates (Lac+/lacG+) of Lactococcus garvieae, using a panel of L. garvieae isolates from different sources. None of the fish isolates produced acid from lactose (Lac-), however Lac-/lacG- isolates were observed in pigs, cows, birds and humans. Most of the dairy isolates (77.8%) were Lac+/lacG+, but some dairy isolates did not produce acid from this sugar. Data in the present study show that the ability to metabolize lactose and the presence of the lacG gene are heterogeneously scattered among L. garvieae isolates of different sources. Therefore, the use of these criteria as markers to differentiate between L. garvieae isolates of dairy and fish origin should be considered with caution.
PB Spanish Society for Microbiology
SN 1618-1905
YR 2010
FD 2010-12
LK https://hdl.handle.net/20.500.14352/45183
UL https://hdl.handle.net/20.500.14352/45183
LA eng
NO Ministerio de Ciencia e Innovación (MICINN)
DS Docta Complutense
RD 6 may 2024