Visualization of toxA gene (352 pb) by 1.5% agarose gel analysis. The shown bands are representative of PCR products amplified from P. aeruginosa (lanes 1 -10), negative control (lane N), lane M represents 100 bp DNA ladder. 

Fold change of toxA gene expression levels in P. aeruginosa isolates from bovine mastitis. P= 4.56 × 10-21, LSD0.05= 13.008. Columns with similar letter have insignificant differences. Error bars represent standard error of mean.