TABLE 2.

Micocins produced by the different strains used in this study

Strain	Microcin	Microcin produceda
		Unmodified form	Modified form
K. pneumoniae RYC492	MccE492	+	+
E. coli Nissle 1917	MccM	+	−
	MccH47	+	−
E. coli CA46	MccM	+	+
	MccH47	+	+
E. coli CA58	MccM	+	+
	MccH47	+	+
E. coli MC4100(pMM75)	MccM	+	+
E. coli MC4100(pMM1.15)	MccH47	+	+

^a+, isolated from the culture supernatant; −, not present in the culture supernatant.