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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 108, No. 2, 2013, pp. 233-238
Bioline Code: oc13041
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 108, No. 2, 2013, pp. 233-238

 en Novel methicillin-resistant coagulase-negative Staphylococcus check for this species in other resources clone isolated from patients with haematological diseases at the Blood Bank Centre of Amazon, Brazil
Ferreira, Cristina Motta; Naveca, Felipe Gomes; Ferreira, William Antunes; Costa de Oliveira, Cíntia Mara & das Graças Vale Barbosa, Maria


Methicillin-resistant Staphylococcus remains a severe public health problem worldwide. This research was intended to identify the presence of methicillin-resistant coagulase-negative staphylococci clones and their staphylococcal cassette chromosome mec (SCCmec)-type isolate from patients with haematologic diseases presenting bacterial infections who were treated at the Blood Bank of the state of Amazonas in Brazil. Phenotypic and genotypic tests, such as SCCmec types and multilocus sequence typing (MLST), were developed to detect and characterise methicillin-resistant isolates. A total of 26 Gram-positive bacteria were isolated, such as: Staphylococcus epidermidis check for this species in other resources (8/27), Staphylococcus intermedius check for this species in other resources (4/27) and Staphylococcus aureus check for this species in other resources check for this species in other resources (4/27). Ten methicillin-resistant staphylococcal isolates were identified. MLST revealed three different sequence types: S. aureus ST243, S. epidermidis ST2 and a new clone of S. epidermidis, ST365. These findings reinforce the potential of dissemination presented by multi-resistant Staphylococcus and they suggest the introduction of monitoring actions to reduce the spread of pathogenic clonal lineages of S. aureus and S. epidermidis to avoid hospital infections and mortality risks.

SCCmec; ST clones; coagulase-negative Staphylococcus

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