TABLE 4.

Complementation of E. coli csg mutants with S. typhimurium genes

Mutation in E. coli	E. coli strain	Complement- ing plasmid	Colony morphology	Detection of CsgA derived from fibers
csgA2::Tn105	MHR204	pCSGA	Brown but not rough	Very weak signal
csgB2	MHR261	pCSGB	wta	wt levels
csgD6	MHR503	pCSGD	wt	wt levels
ΔcsgE3	MHR480	pCSGE	wt	wt levels
		pCSGEFG	wt	wt levels
csgF4	MHR426	pCSGF	Reddish but not rough	Weak signal
		pCSGEFG	wt	wt levels
csgG1::Tn105	MHR210	pCSGEFG	wt	wt levels

^awt, wild type.