Genetic Determinants of Methicillin Resistance and Virulence among Staphylococcus aureus Isolates Recovered from Clinical and Surveillance Cultures in a Brazilian Teaching Hospital
Joint Authors
Branco Fortaleza, Carlos Magno Castelo
Teixeira, Natalia Bibiana
Martins Souza, Camila Sena
Rodrigues, Marcus Vinicius Pimenta
Ribeiro de Souza da Cunha, Maria de Lourdes
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-4, 4 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-05-17
Country of Publication
Egypt
No. of Pages
4
Main Subjects
Abstract EN
Aims.
To quantify the presence of SCCmec types and virulence genes among Staphylococcus aureus colonizing and infecting patients from a teaching hospital.
Methods.
We analyzed 225 and 84 S.
aureus isolates recovered from surveillance and clinical cultures, respectively.
Strains were studied for the presence and type of SCCmec, as well as for several virulence genes.
Univariate and multivariable analysis were performed in order to identify predictors of invasiveness (defined as isolation from clinical cultures).
Results.
The presence of SCCmec types III (OR, 2.19, 95% CI, 1.08–4.45) and IV (OR, 5.28 95% CI, 1.35–20.63) and of genes coding for exfoliative toxin B (etb, OR, 6.38, 95% CI, 1.48–27.46) and Panton-Valentine leukocidin (pvl, OR, 2.38, 95% CI, 1.16–4.86) was independently associated with invasiveness.
Conclusions.
SCCmec types III and IV and virulence genes are associated with greater invasiveness of S.
aureus.
Patients colonized with methicillin-resistant S.
aureus, as well as with strains harboring etb or pvl, may be prone to develop invasive disease.
Infection-preventing strategies should be more intensively applied to this group.
American Psychological Association (APA)
Rodrigues, Marcus Vinicius Pimenta& Branco Fortaleza, Carlos Magno Castelo& Martins Souza, Camila Sena& Teixeira, Natalia Bibiana& Ribeiro de Souza da Cunha, Maria de Lourdes. 2012. Genetic Determinants of Methicillin Resistance and Virulence among Staphylococcus aureus Isolates Recovered from Clinical and Surveillance Cultures in a Brazilian Teaching Hospital. ISRN Microbiology،Vol. 2012, no. 2012, pp.1-4.
https://search.emarefa.net/detail/BIM-512821
Modern Language Association (MLA)
Rodrigues, Marcus Vinicius Pimenta…[et al.]. Genetic Determinants of Methicillin Resistance and Virulence among Staphylococcus aureus Isolates Recovered from Clinical and Surveillance Cultures in a Brazilian Teaching Hospital. ISRN Microbiology No. 2012 (2012), pp.1-4.
https://search.emarefa.net/detail/BIM-512821
American Medical Association (AMA)
Rodrigues, Marcus Vinicius Pimenta& Branco Fortaleza, Carlos Magno Castelo& Martins Souza, Camila Sena& Teixeira, Natalia Bibiana& Ribeiro de Souza da Cunha, Maria de Lourdes. Genetic Determinants of Methicillin Resistance and Virulence among Staphylococcus aureus Isolates Recovered from Clinical and Surveillance Cultures in a Brazilian Teaching Hospital. ISRN Microbiology. 2012. Vol. 2012, no. 2012, pp.1-4.
https://search.emarefa.net/detail/BIM-512821
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-512821