Multidrug resistance and phenotypic characterization of biofilm formation by staphylococcus aureus: contributions to public health

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dc.creatorAgueda Maria de França Tavares
dc.creatorAdriana Fróes do Nascimento Souto
dc.creatorDemerson Arruda Sanglard
dc.creatorAnna Christina de Almeida
dc.creatorCintya Neves de Souza
dc.creatorCarolina Magalhaes Caires Carvalho
dc.creatorEliane Macedo Sobrinho Santos
dc.creatorHércules Otacílio Santos
dc.creatorWagner Silva dos Santos
dc.creatorFranciane Gabrielle dos Santos
dc.creatorLeonardo Ferreira Oliveira
dc.creatorEllem Cristina Gomes Damascena
dc.date.accessioned2025-07-10T12:28:10Z
dc.date.accessioned2025-09-08T23:16:14Z
dc.date.available2025-07-10T12:28:10Z
dc.date.issued2024
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.identifier.doihttps://doi.org/10.9790/0837-2911084452
dc.identifier.issn2279-0837
dc.identifier.urihttps://hdl.handle.net/1843/83471
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofIOSR Journal Of Humanities And Social Science
dc.rightsAcesso Aberto
dc.subjectSaúde pública
dc.subjectMastite
dc.subjectBiofilme
dc.subjectStaphylococcus aureus
dc.subject.otherSaúde pública
dc.subject.otherMastite
dc.subject.otherBiofilme
dc.subject.otherStaphylococcus aureus
dc.titleMultidrug resistance and phenotypic characterization of biofilm formation by staphylococcus aureus: contributions to public health
dc.typeArtigo de periódico
local.citation.epage52
local.citation.issue11
local.citation.spage44
local.citation.volume29
local.description.resumoIn humans, the increase in bacterial resistance in samples isolated from infectious processes seems to be caused not only by the inappropriate and intensive use of antimicrobials, but also by transmission through food of animal origin or direct contact with farm animals. Microbial biofilms have effects on public health and industrial considerations regarding their influence on the economy, energy use, deterioration of equipment and the occurrence of infections. Thus, biofilm production can significantly impact disease progression and treatment outcomes, and may favor antimicrobial resistance. Studies that evaluate the relationship between biofilm production and antimicrobial resistance can help to elucidate mechanisms that may influence the efficacy of antimicrobial therapy against microorganisms. This study aimed to evaluate the profile of multidrug resistance and phenotypic characterization of biofilm formation by Staphylococcus aureus isolated from cases of infectious bovine mastitis on dairy farms in northern Minas Gerais, Brazil. We analyzed 23 S. aureus isolates (A - Z) from subclinical mastitis, previously identified by the MALDI-TOF MS technique. Sensitivity to antimicrobials was obtained using the disk diffusion method. Biofilm production was determined using Congo Red Agar and the plate adherence test. Descriptive statistics were used to distribute relative and absolute frequencies for the microbiological findings. Most of the isolates were resistant to the antibiotics ASB (96%), OXA (92%) and ME1 (83%). Only isolate B proved resistant to all the antibiotics used. Using the Congo Red Agar test, 96.66% of the samples showed the ability to form biofilms, which were associated with resistance to the antibiotics ASB and IPM. However, only 16.66% of the isolates were positive for biofilm formation in the plaque adhesion test. The presence of multi-resistant, biofilm-forming bacteria represents a health risk. Rapid detection methods are essential to control these pathogens in the food industry.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.iosrjournals.org/iosr-jhss/papers/Vol.29-Issue11/Ser-8/H2911084452.pdf

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