Epidemiology of the Staphylococcus aureus CA-MRSA USA300 in Belgium
© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
The methicillin-resistant Staphylococcus aureus (MRSA) sequence type (ST) 8 Panton-Valentine toxin (PVL)-positive USA300 clone has a worldwide distribution. The USA300 North American (NA) variant, harbouring the arginine catabolic mobile element (ACME), is predominant in the USA while the Latin American (LV) variant is predominant in Northern South America. Both variants have failed to become endemic in Europe. We examined here the epidemiology of the USA300 clone in Belgium from 2006 to 2019. A total of 399 clonal complex 8 PVL-positive MRSA isolates received between 2006 and 2019 by the Belgian National Reference Laboratory for S. aureus were investigated for the presence of ACME. Selected ACME-positive (n=102) and ACME-negative (n=16) isolates were sequenced, characterized for the presence of several resistance and virulence molecular markers and subjected to phylogenetic analysis. A total of 300 isolates were USA300-NA (ACME-positive), while only 99 were ACME-negative. Most USA300-NA interspersed in the phylogeny analysis with isolates from other countries, suggesting multiple introductions. However, two big clades were maintained and spread over a decade, peaking between 2010 and 2017 to finally decrease. Few ACME-negative isolates, mainly related to trips to South America, were identified as USA300-LV. The remaining ACME-negative isolates were ST8 SCCmec IVb or ST923 SCCmec IVa (COL923). Two clades of the USA300-NA clone have successfully spread in Belgium, but seem to currently decrease. Related South American variants have been detected for the first time in Belgium, including the emerging COL923 clone.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:40 |
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| Enthalten in: |
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology - 40(2021), 11 vom: 23. Nov., Seite 2335-2347 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Argudín, Maria A [VerfasserIn] |
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Date Completed 23.12.2021 Date Revised 23.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10096-021-04286-3 |
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| 520 | |a The methicillin-resistant Staphylococcus aureus (MRSA) sequence type (ST) 8 Panton-Valentine toxin (PVL)-positive USA300 clone has a worldwide distribution. The USA300 North American (NA) variant, harbouring the arginine catabolic mobile element (ACME), is predominant in the USA while the Latin American (LV) variant is predominant in Northern South America. Both variants have failed to become endemic in Europe. We examined here the epidemiology of the USA300 clone in Belgium from 2006 to 2019. A total of 399 clonal complex 8 PVL-positive MRSA isolates received between 2006 and 2019 by the Belgian National Reference Laboratory for S. aureus were investigated for the presence of ACME. Selected ACME-positive (n=102) and ACME-negative (n=16) isolates were sequenced, characterized for the presence of several resistance and virulence molecular markers and subjected to phylogenetic analysis. A total of 300 isolates were USA300-NA (ACME-positive), while only 99 were ACME-negative. Most USA300-NA interspersed in the phylogeny analysis with isolates from other countries, suggesting multiple introductions. However, two big clades were maintained and spread over a decade, peaking between 2010 and 2017 to finally decrease. Few ACME-negative isolates, mainly related to trips to South America, were identified as USA300-LV. The remaining ACME-negative isolates were ST8 SCCmec IVb or ST923 SCCmec IVa (COL923). Two clades of the USA300-NA clone have successfully spread in Belgium, but seem to currently decrease. Related South American variants have been detected for the first time in Belgium, including the emerging COL923 clone | ||
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| 700 | 1 | |a De Keersmaecker, Sigrid C J |e verfasserin |4 aut | |
| 700 | 1 | |a Hallin, Marie |e verfasserin |4 aut | |
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