TABLE 2.
Operon | Associated function or characteristic | Gene(s) testedb | Strain | Spheroplast recoverya |
---|---|---|---|---|
csgD csgE csgF csgG | Curli assembly and secretion | ΔcsgD::kan ΔrcsF | DR31 | − |
flhD flhC | Regulator of flagellum biogenesis | ΔflhD::kan ΔrcsF | DR33 | − |
rcsA | Auxiliary activator of colanic acid synthesis | ΔrcsA::kan | DR6 | + |
yjbE yjbG yjbH | Biofilm formation | ΔyjbE::kan | DR34 | + |
wza wzb wzc wcaA wcaB | Colanic acid biosynthesis | Δwza::kan | DR35 | − |
+, recovered; −, did not recover.
kan, kanamycin resistance gene.