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Emergence and spread of a new community-genotype methicillin-resistant Staphylococcus aureus clone in Colombia

Overview of attention for article published in BMC Infectious Diseases, January 2017
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Title
Emergence and spread of a new community-genotype methicillin-resistant Staphylococcus aureus clone in Colombia
Published in
BMC Infectious Diseases, January 2017
DOI 10.1186/s12879-017-2193-3
Pubmed ID
Authors

Javier Escobar-Perez, Niradiz Reyes, Ricaurte Alejandro Marquez-Ortiz, Juan Rebollo, Hernando Pinzón, Catalina Tovar, Jaime Moreno-Castañeda, Zayda Lorena Corredor, Betsy Esperanza Castro, Maria Victoria Moncada, Natasha Vanegas

Abstract

Community-genotype methicillin-resistant Staphylococcus aureus (CG-MRSA) clones are a global concern due to their resistance and increased virulence and their ability to cause infections both hospitalized patients and healthy people in the community. Here, we characterize 32 isolates of a new CG-MRSA clone. These isolates were identified in four cities in Colombia, South America. The isolates were recovered from four different epidemiological and prospective studies that were conducted in several regions of Colombia. Molecular characterizations included multilocus sequence typing; pulsed-field gel electrophoresis; SCCmec, agr and spa typing; and whole-genome sequencing. All isolates belonged to ST923 (clonal complex 8), harbouring SCCmec IVa and a spa type t1635 and lacking an arginine catabolism mobile element. The isolates were classified as COL923, were resistant to at least one non-beta-lactam antibiotic, and exhibited high frequencies (>60%) of resistance to macrolides and tetracycline. Using whole-genome sequencing, we found that this new clone harbours novel prophage 3 and beta-island structures and a slightly different pathogenicity island 5. Moreover, isolates belonging to the COL923 clone are grouped in a different clade than USA300 and USA300-LV. Our results show the emergence and spread of the COL923 clone in different cities in Colombia. This clone is resistant to several antibiotics and possesses new structures in its mobile genetic elements.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 65 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 13 20%
Student > Bachelor 10 15%
Student > Ph. D. Student 7 11%
Student > Master 7 11%
Other 4 6%
Other 10 15%
Unknown 14 22%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 15 23%
Immunology and Microbiology 9 14%
Medicine and Dentistry 7 11%
Agricultural and Biological Sciences 3 5%
Nursing and Health Professions 2 3%
Other 9 14%
Unknown 20 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 24 May 2017.
All research outputs
#18,349,015
of 23,577,654 outputs
Outputs from BMC Infectious Diseases
#5,219
of 7,855 outputs
Outputs of similar age
#296,627
of 422,912 outputs
Outputs of similar age from BMC Infectious Diseases
#115
of 158 outputs
Altmetric has tracked 23,577,654 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,855 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.5. This one is in the 27th percentile – i.e., 27% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 422,912 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 158 others from the same source and published within six weeks on either side of this one. This one is in the 24th percentile – i.e., 24% of its contemporaries scored the same or lower than it.