Figure 9: RT-PCR analysis of immune genes ( Lectin -245 bp, Hemocyanin -242 bp , PoPO -121 bp, BGBP -166 bp, Toll receptor -150 bp) expression in white shrimp Litopenaeus vannamei at 48 h post injection of WSSV+immuzone. Lane M- 100 bp marker; Land 1- Lectin (245 bp), 2- hemocyanin (242 bp) , 3 - PoPO (121 bp), 4 - BGBP (166 bp), 5 - Toll receptor (150 bp).