In hemocytes of V. parahaemolyticus-resistant shrimp, solute carrier family 2 promoting glucose transporter member 1-like isomer X1 (Glut2), hexokinase type 2-like (HK), 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (FBP), and phosphoenolpyruvate carboxykinase 1 (PCK1) were all down-regulated after pathogen infection (Figure 6A–D). This evidence concerns the gene PCK1 and infection.