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catarina silva-costa

Full Name: Ana Catarina da Silva e Costa

Academic Qualification:

  • Master Degree: Clinical Microbiology - FML/UL
  • Degree: Biochemistry - FCL/UL

Teaching Assistant
Instituto de Microbiologia,Faculdade de Medicina de Lisboa, Universidade de Lisboa

In the last five years I have been interested in the molecular epidemiology of Streptococcus pneumoniae associated with infection. S. pneumoniae is recognized as an important cause of morbidity and mortality especially among pre-school children. Nevertheless this pathogen is also a normal colonizer of the nasopharynx of healthy individuals. The aim of the study is to characterize pneumococcal strains isolated from infections, using several phenotypic and genotypic methodologies, and identify characteristics of more virulent strains for further studies such as host-pathogen interaction.


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Silva-Costa C, Pinto FR, Ramirez M, Melo-Cristino J. and the Portuguese Surveillance Group for the Study of Respiratory Pathogens. 2008. “Decrease in macrolide resistance and clonal instability among Streptococcus pyogenes in Portugal”. Clin. Microbiol. Infect. 14:1152-1159

Carriço, J. A., C. Silva-Costa, J. Melo-Cristino, F. R. Pinto, H. de Lencastre, J. S. Almeida, M. Ramirez. 2006. “Illustration of a common framework for relating multiple typing methods by application to macrolide-resistant Streptococcus pyogenes”. J. Clin. Microbiol. 44:2524-2532

Silva-Costa, C., J. Melo-Cristino and M. Ramirez. 2005. “Identification of macrolide-resistant clones of Streptococcus pyogenes in Portugal”. Clin. Microbiol. Infect. 12:513-518.

Silva-Costa, C., J. Melo-Cristino and M. Ramirez. 2005. Rapid inversion of the prevalences of macrolide resistance phenoypes paralleled by a diversification of T and emm types among Streptococcus pyogenes in Portugal. Antimicrob. Agents Chemother. 49:2109-21

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