Abstract
Sixty-nine Staphylococcus aureus strains, 39 of which produced staphylococcal enterotoxin B (SEB+) and 14 of which were associated with toxic shock (TS+), were studied using the following markers: serotyping, phage typing, antibiotyping, ribotyping, zymotyping and pulsed-field electrophoresis typing. Analysis of the results showed that the enterotoxin B producing strains were derived from at least three clones: the first two consisted of methicillin-susceptible strains, while the third included the methicillin-resistant (MRSA) strains. TS+ strains of nongenital origin appeared to be distributed between the three clones, with no specific characters.
MeSH terms
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Bacteriophage Typing
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DNA, Bacterial / classification
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DNA, Bacterial / genetics
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Electrophoresis, Gel, Pulsed-Field
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Enterotoxins / biosynthesis
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Enterotoxins / genetics*
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Enterotoxins / isolation & purification
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Genetic Vectors
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Genotype
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Humans
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Methicillin Resistance
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Microbial Sensitivity Tests
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Phenotype
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Serotyping
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Shock, Septic / microbiology*
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Staphylococcal Infections / microbiology*
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Staphylococcus Phages / classification
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Staphylococcus aureus / classification*
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Staphylococcus aureus / drug effects
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Staphylococcus aureus / genetics*
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Staphylococcus aureus / metabolism
Substances
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DNA, Bacterial
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Enterotoxins
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enterotoxin B, staphylococcal