No difference in enterotoxin production among Staphylococcus aureus strains isolated from blood compared with strains isolated from healthy carriers

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No difference in enterotoxin production among Staphylococcus aureus strains isolated from blood compared with strains isolated from healthy carriers.

The production of enterotoxin A, B, C and D by 196 Staphylococcus aureus strains isolated from blood cultures and 95 strains from nasal carriers was investigated. Half of the bacteraemia strains were from patients who died with or because of their infection, the other half from patients who survived. The nasal strains were selected to match the bacteraemia strains regarding phage types. Overall...

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Enterotoxin gene profiles among Staphylococcus aureus isolated from raw milk

Milk is considered a nutritious food because it contains several important nutrients including proteins and vitamins. Conversely, it can be a vehicle for several pathogenic bacteria such as Staphylococcus aureus. This study aimed to analyze the frequency of genes encoding the nine Staphylococcal enterotoxins (SEs) and enterotoxin gene profiles in S. aureus isolates derived from raw bovine milk....

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Molecular characterization of Staphylococcus aureus strains isolated among hospital staff nasal carriers of Babol, Iran

Background: Staphylococcus aureus (s. aureus) nasal carriers, particularly the healthcare staff can be considered as a potential source for the spread of resistant strains. The aim of this study was to determine the molecular characterization of S. aureus strains isolated among the staff nasal carriers in one of the teaching hospitals in Babol. Methods: A total of 120 nasal swabs were taken fr...

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A high prevalence of tylosin resistance among Staphylococcus aureus strains isolated from bovine mastitis

The macrolides appear to have considerable effects for treatment of bovine mastitis because of excellent diffusion into the mammary gland, long half-life, low protein binding, high intracellular concentration and lipid solubility. Acquired resistance to macrolides in Staphylococcus aureus is primarily related to target-site modification through acquisition of an erm gene. In t...

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Enterotoxin production by Staphylococcus aureus strains isolated from cases of chronic osteomyelitis.

Of 264 Staphylococcus aureus strains selected at random from 3,978 strains isolated from chronic osteomyelitis patients, 79 were found to produce enterotoxin. A majority of the strains (65%) were nontypable by phages belonging to the international phage set for human strain typing. The significance of these strains and their circulation among the population is discussed, especially from the sta...

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ژورنال

عنوان ژورنال: Journal of Medical Microbiology

سال: 1995

ISSN: 0022-2615,1473-5644

DOI: 10.1099/00222615-42-1-43