KITLG and Sepsis: Moreover, wecB, cyoB, frdB, and slyD are virulence-essential genes identified in the avian model of E. coli-related septicemia, while dcuA and hupA are shared virulence-essential genes associated with systemic infection in both mammalian and avian models of E. coli-related septicemia (Kathayat et al., 2021).