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Título: | Occurrence of Salmonella typhimurium resistance under sublethal/repeated exposure to cauliflower infusion and infection effects on Caernohabditis elegans host test organism |
Autor: | Sanz Puig, María CSIC; Arana Lozano, Alejandra; Pina Pérez, Maria Consuelo CSIC; Fernández, Pablo; Martínez López, Antonio CSIC ORCID; Rodrigo Aliaga, Dolores CSIC ORCID | Palabras clave: | Natural antimicrobials S. enterica var Typhimurium Resistance Caenorhabditis elegans Infection |
Fecha de publicación: | 22-sep-2019 | Editor: | Sage Publications Consejo Superior de Investigaciones Científicas (España) |
Citación: | Food Science and Technology International 26 (2): 151-159 (2020) | Resumen: | Resistant bacteria to antimicrobials are increasingly emerging in medical, food industry and livestock environments. The present research work assesses the capability of Salmonella enterica var Typhimurium to become adapted under the exposure to a natural cauliflower antimicrobial by-product infusion in consecutive repeated exposure cycles. Caenorhabditis elegans was proposed as in vivo host-test organism to compare possible changes in the virulent pattern of the different rounds treated S. enterica var Typhimurium and untreated bacterial cells. According to the obtained results, S. enterica var Typhimurium was able to generate resistance against a repeated exposure to cauliflower by-product infusion 5% (w/v), increasing the resistance with the number of exposed repetitions. Meanwhile, at the first exposure, cauliflower by-product infusion was effective in reducing S. enterica var Typhimurium (≈1 log10 cycle), and S. enterica var Typhimurium became resistant to this natural antimicrobial after the second and third treatment-round and was able to grow (≈1 log10 cycle). In spite of the increased resistance observed for repeatedly treated bacteria, the present study reveals no changes on C. elegans infection effects between resistant and untreated S. enterica var Typhimurium, according to phenotypic parameters evaluation (lifespan duration and egg-laying). | Versión del editor: | https://doi.org/10.1177/1082013219873500 | URI: | http://hdl.handle.net/10261/206378 | DOI: | 10.1177/1082013219873500 | ISSN: | 1082-0132 |
Aparece en las colecciones: | (IATA) Artículos |
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Sanz-2019FSTI.pdf | Artículo principal | 1,13 MB | Adobe PDF | Visualizar/Abrir |
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