Molecular Epidemiology of Staphylococcus aureus and Enterococcus faecalis in Endophthalmitis

Author:

Booth Mary C.1,Hatter Kenneth L.1,Miller Darlene2,Davis Janet2,Kowalski Regis3,Parke David W.1,Chodosh James1,Jett Bradley D.1,Callegan Michelle C.1,Penland Rebecca4,Gilmore Michael S.1

Affiliation:

1. Department of Ophthalmology and Dean A. McGee Eye Institute, Molecular Pathogenesis of Eye Infection Research Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma1;

2. Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami School of Medicine, Miami, Florida2;

3. The Eye and Ear Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania3; and

4. Cullen Eye Institute, Baylor College of Medicine, Houston, Texas4

Abstract

ABSTRACT Genomic DNA fingerprint analysis was performed on 39 Staphylococcus aureus and 28 Enterococcus faecalis endophthalmitis isolates collected from multiple clinical centers. Among 21 S. aureus genomic DNA fingerprint patterns identified, five clonotypes were recovered from multiple unrelated patients and accounted for 58.9% (23 of 39) of the isolates analyzed. Compared with strains having unique genomic DNA fingerprint patterns, the S. aureus clonotypes occurring more than once were more likely to result in visual acuities of 20/200 or worse ( P = 0.036 [χ 2 test]). In contrast to the S. aureus isolates, the E. faecalis endophthalmitis isolates were a clonally diverse population, enriched for the expression of a known toxin, cytolysin, which is plasmid encoded.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

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3. Accessory gene regulator controls Staphylococcus aureus virulence in endophthalmitis.;Booth M. C.;Investig. Ophthalmol. Vis. Sci.,1995

4. Staphylococcal accessory regulator (sar) in conjunction with agr contributes to Staphylococcus aureus virulence in endophthalmitis

5. Posttraumatic endophthalmitis.;Brinton G. S.;Arch. Ophthalmol.,1984

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