Molecular epidemiology of the community-associated methicillin-resistant staphylococcus aureus clones: a synthetic review.
Clujul medical (1957)(2018)
Abstract
The article presents a synthetic molecular characterization of the methicillin-resistant Staphylococcus aureus and describes the most important community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) clones that circulate nowadays in the world: the main molecular and epidemiological characteristics, as well as notions related to the clinic of infections produced by these clones and their antibiotic resistance spectrum. The predominant clone of CA-MRSA in North America is USA300 - ST8-IV in North America, in Australia - Queensland (Qld) MRSA (ST93-IV), in Europe - ST80-IV, in Asia there is a high heterogeneity of clones population, in Africa the distribution of CA-MRSA clones is unclear, and in South America - USA 1100 and USA300-Latin American variant are predominant. The molecular diagnosis is performed by highly specialized institutions. The knowledge of clones allows the study of antibiotic resistance spectrum for each one, a fact of great importance for medical practice. Molecular epidemiology of the CA-MRSA shows that lowly restricted sales of antibiotics in shops and pharmacies, as well as medical prescribing practices without a laboratory investigation, especially in Eastern Europe and Asia, contribute to the development of new MRSA clones with increased resistance to antibiotics.
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Key words
CA-MRSA,Staphylococcus aureus,clones
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