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Methyl gallate attenuates virulence and decreases antibiotic resistance in extensively drug-resistant Pseudomonasaeruginosa.
Flores-Maldonado, Orlando; Lezcano-Domínguez, Cristina I; Dávila-Aviña, Jorge; González, Gloria M; Ríos-López, Ana L.
Afiliação
  • Flores-Maldonado O; Universidad Autónoma de Nuevo León, Departamento de Microbiología, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Monterrey, 64460, Nuevo León, Mexico.
  • Lezcano-Domínguez CI; Universidad Autónoma de Nuevo León, Departamento de Microbiología, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Monterrey, 64460, Nuevo León, Mexico.
  • Dávila-Aviña J; Universidad Autónoma de Nuevo León, Departamento de Microbiología e Inmunología, Facultad de Ciencias Biológicas, San Nicolas de los Garza, 66455, Nuevo León, Mexico.
  • González GM; Universidad Autónoma de Nuevo León, Departamento de Microbiología, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Monterrey, 64460, Nuevo León, Mexico.
  • Ríos-López AL; Universidad Autónoma de Nuevo León, Departamento de Microbiología, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Monterrey, 64460, Nuevo León, Mexico. Electronic address: ana.rioslpz@uanl.edu.mx.
Microb Pathog ; 194: 106830, 2024 Sep.
Article em En | MEDLINE | ID: mdl-39084307
ABSTRACT
Pseudomonas aeruginosa infections have become a serious threat to public health due to the increasing emergence of extensively antibiotic-resistant strains and high mortality rates. Therefore, the search for new therapeutic alternatives has become crucial. In this study, the antivirulence and antibacterial activity of methyl gallate was evaluated against six clinical isolates of extensively antibiotic-resistant P. aeruginosa. Methyl gallate exhibited minimal inhibitory concentrations of 256-384 µg/mL; moreover, the use of subinhibitory concentrations of the compound inhibited biofilm formation, swimming, swarming, proteolytic activity, and pyocyanin production. Methyl gallate plus antipseudomonal antibiotics showed a synergistic effect by reduced the MICs of ceftazidime, gentamicin and meropenem. Furthermore, the potential therapeutic effect of methyl gallate was demonstrated in an infection model. This study evidenced the antivirulence and antimicrobial activity of methyl gallate as a therapeutic alternative against P. aeruginosa.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Pseudomonas aeruginosa / Infecções por Pseudomonas / Testes de Sensibilidade Microbiana / Biofilmes / Sinergismo Farmacológico / Ácido Gálico / Antibacterianos Limite: Animals / Humans Idioma: En Revista: Microb Pathog Assunto da revista: DOENCAS TRANSMISSIVEIS / MICROBIOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: México País de publicação: Reino Unido

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Pseudomonas aeruginosa / Infecções por Pseudomonas / Testes de Sensibilidade Microbiana / Biofilmes / Sinergismo Farmacológico / Ácido Gálico / Antibacterianos Limite: Animals / Humans Idioma: En Revista: Microb Pathog Assunto da revista: DOENCAS TRANSMISSIVEIS / MICROBIOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: México País de publicação: Reino Unido