Person:
Feito Hermida, Javier

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First Name
Javier
Last Name
Feito Hermida
URI
https://hdl.handle.net/20.500.14352/87021
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Veterinaria
Department
Nutrición y Ciencia de los Alimentos
Area
Nutrición y Bromatología
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Author: Muñoz Atienza, Estefanía × Subject: 613.2 ×

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    Genomic Sequence of Streptococcus salivarius MDI13 and Latilactobacillus sakei MEI5: Two Promising Probiotic Strains Isolated from European Hakes (Merluccius merluccius, L.)
    (Veterinary Sciences, 2024) Díaz Formoso, Lara; Contente, Diogo; Feito Hermida, Javier; Hernández Cruza, Pablo Elpidio; Borrero Del Pino, Juan; Muñoz Atienza, Estefanía; Cintas Izarra, Luis Miguel
    Simple Summary: In fish farming, diseases have commonly been fought with the abusive use of antibiotics, which have caused antibiotic (multi)resistances in bacteria. Consequently, it is necessary to explore safe and environmentally friendly alternative approaches to improve the fish health and avoid the treatment of bacterial diseases with antibiotics such as the use of probiotics. This study focuses on bioinformatic and functional analyses of the genome sequences of Streptococcus salivarius MDI13 and Latilactobacillus sakei MEI5, two Lactic Acid Bacteria (LAB) isolated from the gut of European hakes (Merluccius merluccius, L.), a highly valued marine fish for Spanish gastronomy. The potential probiotic characteristics of both bacteria, and the lack of antibiotic resistance genes and virulence were confirmed. In addition, genes encoding three antimicrobial peptides (known as bacteriocins) were identified in the genome of S. salivarius MDI13. One of these in vitro-synthesized bacteriocins (BlpK) showed antimicrobial activity against two fish pathogens (namely Lactococcus garvieae and Streptococcus parauberis). Altogether, our results suggest that S. salivarius MDI13 and L. sakei MEI5 have a strong potential as probiotics to prevent bacterial diseases in fish farming.