Whole genome analysis of a community-associated methicillin-resistant Staphylococcus aureus ST59 isolate from a case of human sepsis and severe pneumonia in China.

October 9, 2015 at 9:31 am

PLoS One. 2014 Feb 20;9(2):e89235.

Qu T1, Feng Y2, Jiang Y2, Zhu P3, Wei Z1, Chen Y2, Otto M4, Yu Y2.

Author information

1State Key Laboratory for Diagnosis and Treatment of Infectious Disease, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.

2Department of Infectious Diseases, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.

3Department of Clinical Medicine, Zhejiang Medical College, Hangzhou, Zhejiang, China.

4Pathogen Molecular Genetics Section, Laboratory of Human Bacterial Pathogenesis, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America.

Abstract

We report a case of necrotizing pneumonia in a young patient caused by community acquired-methicillin resistant Staphylococcus aureus (CA-MRSA) in a teaching hospital in the People’s Republic of China.

The patient had a typical clinical presentation and was successfully treated with antibiotics and intravenous immunoglobulin. A CA-MRSA strain, named SA268, was isolated from the blood of the patient.

The isolate was susceptible to most antimicrobial agents, except cephalosporins, penicillins, and β-lactamase inhibitor combinations.

Multi-locus sequence typing (MLST) assigned SA268 to ST59, a clone widely spread in eastern Asia. The strain was positive for Panton Valentine Leukocidin (PVL)-encoding genes and SCCmec type V. We sequenced the complete genome of the SA268 isolate.

The genome of SA268 was almost identical to that of the Taiwanese ST59 CA-MRSA strains M013 and SA957. However, we observed several differences in gene composition, which included differences in the SCCmec element and several lipoprotein genes that were present in the Taiwanese strains but absent from SA268

PDF

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3930696/pdf/pone.0089235.pdf

Entry filed under: Antimicrobianos, Bacterias, Bacteriemias, Epidemiología, Infecciones emergentes, Infecciones respiratorias, Metodos diagnosticos, Resistencia bacteriana, REVIEWS, Sepsis, Update. Tags: .

Staphylococcus aureus meticilino resistente adquirido en la comunidad: una nueva amenaza Community-acquired necrotizing pneumonia caused by MRSA producing Panton-Valentine leukocidin in a Chinese teenager: case report and literature review.


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