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Predominance of methicillin resistant Staphylococcus aureus-ST88 and new ST1797 causing wound infection and abscesses

Please always quote using this URN: urn:nbn:de:bvb:20-opus-134746
  • Introduction: Although there has been a worldwide emergence and spread of methicillin-resistant Staphylococcus aureus (MRSA), little is known about the molecular epidemiology of MRSA in Tanzania. Methodology: In this study, we characterized MRSA strains isolated from clinical specimens at the Bugando Medical Centre, Tanzania, between January and December 2008. Of 160 S. aureus isolates from 600 clinical specimens, 24 (15%) were found to be MRSA. Besides molecular screening for the Panton Valentine leukocidin (PVL) genes by PCR, MRSA strainsIntroduction: Although there has been a worldwide emergence and spread of methicillin-resistant Staphylococcus aureus (MRSA), little is known about the molecular epidemiology of MRSA in Tanzania. Methodology: In this study, we characterized MRSA strains isolated from clinical specimens at the Bugando Medical Centre, Tanzania, between January and December 2008. Of 160 S. aureus isolates from 600 clinical specimens, 24 (15%) were found to be MRSA. Besides molecular screening for the Panton Valentine leukocidin (PVL) genes by PCR, MRSA strains were further characterized by Multi-Locus Sequence Typing (MLST) and spa typing. Results: Despite considerable genetic diversity, the spa types t690 (29.1%) and t7231 (41.6%), as well as the sequence types (ST) 88 (54.2%) and 1797 (29.1%), were dominant among clinical isolates. The PVL genes were detected in 4 isolates; of these, 3 were found in ST 88 and one in ST1820. Resistance to erythromycin, clindamicin, gentamicin, tetracycline and co-trimoxazole was found in 45.8%, 62.5%, 41.6%, 45.8% and 50% of the strains, respectively. Conclusion: We present the first thorough typing of MRSA at a Tanzanian hospital. Despite considerable genetic diversity, ST88 was dominant among clinical isolates at the Bugando Medical Centre. Active and standardized surveillance of nosocomial MRSA infection should be conducted in the future to analyse the infection and transmission rates and implement effective control measures.show moreshow less

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Metadaten
Author: Nyambura Moremi, Stephen E. Mshana, Erasmus Kamugisha, Johannes B. Kataraihya, Dennis Tappe, Ulrich Vogel, Eligius F. Lyamuya, Heike Claus
URN:urn:nbn:de:bvb:20-opus-134746
Document Type:Journal article
Faculties:Medizinische Fakultät / Institut für Hygiene und Mikrobiologie
Language:English
Parent Title (English):Journal of Infection in Developing Countries
Year of Completion:2012
Volume:6
Issue:8
Pagenumber:620-625
Source:Journal of Infection in Developing Countries 2012; 6(8):620-625. doi:10.3855/jidc.2093
DOI:https://doi.org/10.3855/jidc.2093
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Tag:MRSA; ST1797; ST88; Tanzania; aureus infections; field gel-electrophoreresis; molecular epidemiology; panton-valentine leukocidin
Release Date:2017/12/17
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung