Genetic Diversity and Virulence Factors of S. aureus Isolated from Food, Humans, and Animals
Table 3
Virulence factors of strains of S. aureus from different environments.
Virulence factor
Total N = 64 n (%)
Humans N = 33
Foods N = 27
Animals N = 4
Enterotoxins
seA
34 (53.1)
16
16
2
0.702
seB
2 (3.1)
2
0
0
0.379
seC
4 (6.2)
4
0
0
0.135
seD
3 (4.6)
3
0
0
0.228
seE
1 (1.5)
1
0
0
0.621
tsst-1
6 (9.3)
3
3
0
0.774
Toxins
0
hlB
11 (17.2)
2
7
2
0.025
saK
37 (57.8)
27
8
2
0.000
Antibiotic resistance
mec
8 (12.5)
4
4
0
0.702
Determined by end point PCR. +Determined by Fisher’s exact test and square Chi. Values of were considered statistically significant and are marked in table.
