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POTENCIAL PROBIÓTICO DE CEPAS DE BACILLUS CON PROPIEDADES ANTIMICROBIANAS FRENTE A PATÓGENOS DE PECES

Authors: Franco-González-de-Canales, A.; García-de-la-Banda, I. (Inés); Hernández-de-Rojas, A. (Alma); Vega, B.; Escuela, O.; Acosta, F.; Lázaro-Díez, M. (María); +2 Authors

POTENCIAL PROBIÓTICO DE CEPAS DE BACILLUS CON PROPIEDADES ANTIMICROBIANAS FRENTE A PATÓGENOS DE PECES

Abstract

El objetivo de este trabajo ha sido aislar, identificar y caracterizar cepas bacterianas procedentes de ambiente marino, fitoplancton, zooplancton, huevos, larvas de lenguado y diferentes juveniles (branquias, intestino, piel), que pudieran tener actividad probiótica y actividad antibacteriana frente a distintos patógenos de peces. Se aislaron un total de 217 cepas bacterianas. Tras un primer cribado mediante ensayos de inhibición en placa frente a patógenos, se seleccionaron 9 cepas y se identificaron utilizando la secuenciación de su rRNA 16S. Los resultados mostraron que las mejores candidatas eran cepas del género Bacillus. Varios de estas posibles cepas candidatas se caracterizaron in vitro para determinar su potencial probiótico, mediante ensayos de inhibición en co-cultivo con V. anguillarum, resistencia a bilis de pez, y adherencia a mucus intestinal de pez. Nuestros resultados mostraron que algunas de las cepas seleccionadas pertenecientes al género Bacillus, podrían ser consideradas como potenciales probióticos frente a patógenos de peces, por lo que el beneficio de la administración de estas cepas a cultivos de peces será posteriormente estudiada.

Country
Spain
Keywords

B. amyloliquefaciens, Acuicultura, Centro Oceanográfico de Santander, inhibición patógenos, B. subtilis

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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