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Table 5 The occurrence of biofilm production in relation to the distribution of adherence, virulence, enterotoxin, and hemolysin of S. aureus strains

From: Virulence traits, agr typing, multidrug resistance patterns, and biofilm ability of MDR Staphylococcus aureus recovered from clinical and subclinical mastitis in dairy cows

Type

Genes

Strong biofilm producer

Moderate biofilm producer

Weak biofilm producer

Biofilm

Genes

eno

26 (100%)

10 (90.9%)

2 (66.66%)

icaA

26 (100%)

10 (90.9%)

2 (66.66%)

Adherence genes

clfA

17 (65.38%)

4 (36.36%)

0 (0%)

clfB

26 (100%)

11 (100%)

3 (100%)

can

11 (42.3%)

1 (9.09%)

0 (0%)

fnbB

16 (61.53%)

3 (27.27%)

0 (0%)

fnbA

17 (65.38%)

4 (36.36%)

1 (33.33%)

Panton–Valentine leukocidin

lukF

26 (100%)

11 (100%)

0 (0%)

Virulence

Genes

spa

22 (84.61%)

10 (90.9%)

2 (66.66%)

coa

26 (100%)

11 (100%)

3 (100%)

Hemolysin genes

hla

13 (50%)

0 (0%)

0 (0%)

hlb

11 (42.3%)

2 (18.18%)

0 (0%)

hlg

8 (30.76%)

1 (9.09%)

0 (0%)

Enterotoxin genes

sea

3 (11.53%)

0 (0%)

0 (0%)

seb

10 (38.46%)

2 (18.18%)

0 (0%)

Resistance genes

mecA

25 (96.15%)

10 (90.9%)

3 (100%)

ermB

26 (100%)

11 (100%)

2 (66.66%)

ermC

24 (92.3%)

10 (90.9%)

3 (100%)

tetK

16 (61.53%)

7 (63.63%)

2 (66.66%)

tetM

11 (42.3%)

6 (54.54%)

1 (33.33%)