Busca avançada
Ano de início
Entree


Identification, genotyping, and genomic comparison of Streptococcus porcinus isolated from diseased swine in Brazil

Texto completo
Autor(es):
Matajira, Carlos E. C. ; Moreno, Luisa Z. ; Poor, Andre P. ; Monteiro, Matheus S. ; Gomes, Vasco T. D. M. ; Barbosa, Mikaela R. F. ; Sato, Maria I. Z. ; Moreno, Andrea M.
Número total de Autores: 8
Tipo de documento: Artigo Científico
Fonte: JOURNAL OF INFECTION IN DEVELOPING COUNTRIES; v. 18, n. 10, p. 9-pg., 2024-10-01.
Resumo

Introduction: Streptococcus porcinus is considered a zoonotic opportunistic pathogen for several animal species, including swine, and can cause systemic clinical conditions. There are morphological similarities between streptococcal species, leading to possible incorrect diagnosis and inappropriate treatment choice. Here, we describe the identification, and genotypic and genomic characterization of S. porcinus isolated from 5 adult sick pigs from Minas Gerais and S & atilde;o Paulo (Brazil) between 2010-2017. Methodology: Streptococcus spp. strains were isolated from vaginal discharge, joint abscess, and brain tissue received for routine diagnosis. They were identified as S. porcinus by mass spectrometry and partial sequencing of the groEL gene. Genotypic characterization by amplified fragment length polymorphism was performed. In addition, the genome of one of the S. porcinus invasive strains was sequenced and comparative analyses were performed. Results: Genotyping revealed that the nervous system and joint abscess invasive strains had higher genetic similarity and clustered separately from vaginal discharge strains. Genome sequencing of one of the invasive strains revealed the presence of genes conferring resistance to erythromycin, tetracycline, lincosamides, and macrolides. A high level of similarity of the Brazilian strain genome with British and American strains was found. However, these strains also presented higher variation in their accessory genomes. Conclusions: The circulation of S. porcinus invasive and resistant strains, and the lack of its identification demands attention, posing a risk for animals and workers in the swine industry. (AU)

Processo FAPESP: 17/09515-4 - Identificação e caracterização fenotípica de patógenos bacterianos causadores de metrite em fêmeas suínas.
Beneficiário:André Pegoraro Poor
Modalidade de apoio: Bolsas no Brasil - Mestrado
Processo FAPESP: 15/26159-1 - Análise comparativa de genomas de estirpes de Streptococcus suis isoladas de suínos no Brasil
Beneficiário:Carlos Emilio Cabrera Matajira
Modalidade de apoio: Bolsas no Brasil - Doutorado
Processo FAPESP: 19/17683-0 - Avaliação de causas de mortalidade em matrizes de um sistema de produção intensiva de suínos
Beneficiário:Matheus Saliba Monteiro
Modalidade de apoio: Bolsas no Brasil - Mestrado
Processo FAPESP: 16/25745-7 - Avaliação da virulência e caracterização fenotípica e genômica de estirpes de Corynebacterium spp. isoladas de infecção urinária de suínos
Beneficiário:Luisa Zanolli Moreno
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 19/01192-7 - Caracterização de patógenos bacterianos causadores de metrite em suínos através da cultura e análise metagenômica
Beneficiário:André Pegoraro Poor
Modalidade de apoio: Bolsas no Brasil - Doutorado Direto