First investigation of Staphylococcus argenteus in a Brazilian collections of S. aureus isolated from bovine mastitis.
S. aureus complex
Salt egg yolk agar
Staphyloxanthin
nrps gene
Journal
BMC veterinary research
ISSN: 1746-6148
Titre abrégé: BMC Vet Res
Pays: England
ID NLM: 101249759
Informations de publication
Date de publication:
20 Jul 2020
20 Jul 2020
Historique:
received:
27
02
2020
accepted:
13
07
2020
entrez:
22
7
2020
pubmed:
22
7
2020
medline:
6
3
2021
Statut:
epublish
Résumé
Staphylococcus argenteus is a new specie positive coagulase staphylococci. We investigate the presence of S. argenteus in isolates previously classified as S. aureus, obtained from the milk of cows with mastitis in Brazil. Among 856 S. aureus tested in chocolate agar, tryptone soya agar and salt egg yolk agar, white or colorless colonies were observed in 185 (21.6%) isolates. Regarding the ctrOPQMN operon, 111 (60%) presented the complete cluster. Despite some missing genes in this cluster, the remaining strains (74) were confirmed as S. aureus using the nrps gene. As far as we know, this is the first review of S. aureus collection in Brazil and S. argenteus does not appear to be a significant problem in Brazilian herds.
Sections du résumé
BACKGROUND
BACKGROUND
Staphylococcus argenteus is a new specie positive coagulase staphylococci. We investigate the presence of S. argenteus in isolates previously classified as S. aureus, obtained from the milk of cows with mastitis in Brazil.
RESULTS
RESULTS
Among 856 S. aureus tested in chocolate agar, tryptone soya agar and salt egg yolk agar, white or colorless colonies were observed in 185 (21.6%) isolates. Regarding the ctrOPQMN operon, 111 (60%) presented the complete cluster. Despite some missing genes in this cluster, the remaining strains (74) were confirmed as S. aureus using the nrps gene.
CONCLUSIONS
CONCLUSIONS
As far as we know, this is the first review of S. aureus collection in Brazil and S. argenteus does not appear to be a significant problem in Brazilian herds.
Identifiants
pubmed: 32690007
doi: 10.1186/s12917-020-02472-7
pii: 10.1186/s12917-020-02472-7
pmc: PMC7372812
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
252Subventions
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
ID : 001
Organisme : Conselho Nacional de Desenvolvimento Científico e Tecnológico
ID : CNPq.302383/2018-2
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