eprintid: 12505 rev_number: 8 eprint_status: archive userid: 2 dir: disk0/00/01/25/05 datestamp: 2024-06-04 23:30:19 lastmod: 2024-06-04 23:30:21 status_changed: 2024-06-04 23:30:19 type: article metadata_visibility: show creators_name: Monzón-Atienza, Luis creators_name: Bravo, Jimena creators_name: Torrecillas, Silvia creators_name: Gómez-Mercader, Antonio creators_name: Montero, Daniel creators_name: Ramos Vivas, Jose creators_name: Galindo-Villegas, Jorge creators_name: Acosta, Félix creators_id: creators_id: creators_id: creators_id: creators_id: creators_id: jose.ramos@uneatlantico.es creators_id: creators_id: title: An In-Depth Study on the Inhibition of Quorum Sensing by Bacillus velezensis D-18: Its Significant Impact on Vibrio Biofilm Formation in Aquaculture ispublished: pub subjects: uneat_bm divisions: uneatlantico_produccion_cientifica full_text_status: public keywords: Bacillus; quorum sensing; quorum quenching; biofilm; Vibrio; aquaculture abstract: Amid growing concerns about antibiotic resistance, innovative strategies are imperative in addressing bacterial infections in aquaculture. Quorum quenching (QQ), the enzymatic inhibition of quorum sensing (QS), has emerged as a promising solution. This study delves into the QQ capabilities of the probiotic strain Bacillus velezensis D-18 and its products, particularly in Vibrio anguillarum 507 communication and biofilm formation. Chromobacterium violaceum MK was used as a biomarker in this study, and the results confirmed that B. velezensis D-18 effectively inhibits QS. Further exploration into the QQ mechanism revealed the presence of lactonase activity by B. velezensis D-18 that degraded both long- and short-chain acyl homoserine lactones (AHLs). PCR analysis demonstrated the presence of a homologous lactonase-producing gene, ytnP, in the genome of B. velezensis D-18. The study evaluated the impact of B. velezensis D-18 on V. anguillarum 507 growth and biofilm formation. The probiotic not only controls the biofilm formation of V. anguillarum but also significantly restrains pathogen growth. Therefore, B. velezensis D-18 demonstrates substantial potential for preventing V. anguillarum diseases in aquaculture through its QQ capacity. The ability to disrupt bacterial communication and control biofilm formation positions B. velezensis D-18 as a promising eco-friendly alternative to conventional antibiotics in managing bacterial diseases in aquaculture. date: 2024-04 publication: Microorganisms volume: 12 number: 5 pagerange: 890 id_number: doi:10.3390/microorganisms12050890 refereed: TRUE issn: 2076-2607 official_url: http://doi.org/10.3390/microorganisms12050890 access: open language: en citation: Artículo Materias > Biomedicina Universidad Europea del Atlántico > Investigación > Artículos y libros Abierto Inglés Amid growing concerns about antibiotic resistance, innovative strategies are imperative in addressing bacterial infections in aquaculture. Quorum quenching (QQ), the enzymatic inhibition of quorum sensing (QS), has emerged as a promising solution. This study delves into the QQ capabilities of the probiotic strain Bacillus velezensis D-18 and its products, particularly in Vibrio anguillarum 507 communication and biofilm formation. Chromobacterium violaceum MK was used as a biomarker in this study, and the results confirmed that B. velezensis D-18 effectively inhibits QS. Further exploration into the QQ mechanism revealed the presence of lactonase activity by B. velezensis D-18 that degraded both long- and short-chain acyl homoserine lactones (AHLs). PCR analysis demonstrated the presence of a homologous lactonase-producing gene, ytnP, in the genome of B. velezensis D-18. The study evaluated the impact of B. velezensis D-18 on V. anguillarum 507 growth and biofilm formation. The probiotic not only controls the biofilm formation of V. anguillarum but also significantly restrains pathogen growth. Therefore, B. velezensis D-18 demonstrates substantial potential for preventing V. anguillarum diseases in aquaculture through its QQ capacity. The ability to disrupt bacterial communication and control biofilm formation positions B. velezensis D-18 as a promising eco-friendly alternative to conventional antibiotics in managing bacterial diseases in aquaculture. metadata Monzón-Atienza, Luis; Bravo, Jimena; Torrecillas, Silvia; Gómez-Mercader, Antonio; Montero, Daniel; Ramos Vivas, Jose; Galindo-Villegas, Jorge y Acosta, Félix mail SIN ESPECIFICAR, SIN ESPECIFICAR, SIN ESPECIFICAR, SIN ESPECIFICAR, SIN ESPECIFICAR, jose.ramos@uneatlantico.es, SIN ESPECIFICAR, SIN ESPECIFICAR (2024) An In-Depth Study on the Inhibition of Quorum Sensing by Bacillus velezensis D-18: Its Significant Impact on Vibrio Biofilm Formation in Aquaculture. Microorganisms, 12 (5). p. 890. ISSN 2076-2607 document_url: http://repositorio.uneatlantico.es/id/eprint/12505/1/microorganisms-12-00890.pdf