The Lc3b mRNA expression in mouse liver tissue was 0.60 ± 0.20 and 0.43 ± 0.089 at four and six weeks after infection, respectively, which was significantly lower than that before infection (1.0 ± 0.22) (F = 17.85, p < 0.01). The gene discussed is MAP1LC3B; the disease is infection.