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J Med Microbiol 55 (2006), 183-187; DOI: 10.1099/jmm.0.46183-0
© 2006 Society for General Microbiology
ISSN 0022-2615

Enterotoxicity and genetic variation among clinical Staphylococcus aureus isolates in Jordan

Randa G. Naffa1, Salwa M. Bdour1, Hussein M. Migdadi2 and Asem A. Shehabi3

1 ,3 Department of Biological Sciences, Faculty of Science1 and Department of Pathology and Microbiology, Faculty of Medicine3 , University of Jordan, Amman, Jordan

2 National Center for Agricultural Research and Technology Transfer, Amman, Jordan

Correspondence
Salwa M. Bdour
bsalwa{at}ju.edu.jo

Received 2 June 2005
Accepted 10 October 2005

A total of 100 Jordanian clinical Staphylococcus aureus isolates was analysed for the presence of the enterotoxin genes sea, seb, sec, sed and see using multiplex PCR. Twenty-three isolates (23 %) were potentially enterotoxigenic. The prevalence of sea, sec and sea plus sec among the total clinical isolates was 15, 4 and 4 %, respectively. None of the isolates harboured sed, seb or see genes. S. aureus isolates were subjected to DNA fingerprinting by randomly amplified polymorphic DNA (RAPD) analysis to test whether isolates harbouring the toxin genes were genetically clustered. A total of 13 genotypes was identified at a 47 % similarity level. Genotypes I and V accounted for the largest number of enterotoxigenic isolates (19 %). This study has demonstrated the genetic diversity of Jordanian clinical S. aureus isolates and shown that the presence of the toxin genes is not genotype specific.

Abbreviations: RAPD, randomly amplified polymorphic DNA; SE, staphylococcal enterotoxin.




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B. Boynukara, T. Gulhan, K. Gurturk, M. Alisarli, and E. Ogun
Evolution of slime production by coagulase-negative staphylococci and enterotoxigenic characteristics of Staphylococcus aureus strains isolated from various human clinical specimens
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[Abstract] [Full Text] [PDF]


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