Figure 4: RT-PCR time course analysis of Hsp 90 (140 bp) expression in different tissues of white shrimp Litopenaeus vannamei at 0,2,4,6,8,10,12,24,36 and 48 h post injection of WSSV. Lane M- marker; Land 2 to 12 as 0,2,4,6,8,10,12,24,36 and 48 h. A. Hsp 90 expression in gill tissue B. Hsp 90 expression in muscle tissue C. Hsp 90 expression in hepatopancrease D. Hsp 90 expression in pleopod.