TABLE 2.

Inhibition of bacteria by Eh318 and derivatives^a producing one or two pantocins that inhibit E. amylovora.

	Inhibition byb
Indicator	Eh318 (Pan AB+)	DH5α (pCPP702) (PanA+)	Eh439 (PanA+)	DH5α (pCPP704) (PanB+)	Eh421 (PanB+)	Eh440 (PanAB−)
E. amylovora Ea273	+	+	+	+	+	−
Pantoea sp. Eh112Y	+	+	NTc	(+)	NT	NT
P. agglomerans Eh252	+	−	NT	+	NT	NT
P. stewartii 2	+	+	+	+	+	−
E. carotovora subsp. carotovora B12	+	+	+	(+)	(+)	−
E. carotovora subsp. betavasculorum 101	−	−	NT	−	NT	NT
E. chrysanthemi 3665	+	+	+	+	+	−
E. aerogenes 1422/77	(+)	(+)	(+)	Vd	(+)	(+)
E. coli DH5α	+	−	+	(+)	+	+
S. marcescens Ser 101	(+)	(+)	(+)	(+)	(+)	(+)
K. pneumoniae	(+)	−	(+)	−	(+)	(+)
P. putida W713	−	−	−	−	−	−
P. syringae pv. tomato DC 3000	+	−	+	−	+	+
X. campestris pv. pelargonii Xpel-1	+	−	+	+	+	+
A. tumefaciens C58	−	−	−	−	−	−

^aCombined results of a chloroform assay for E. coli strains carrying cosmids and Eh318 and a live assay for marker exchange mutants and Eh318, using GA base medium and GA overlay. 

^bSymbols: +, clear inhibition zone; (+), diffuse inhibition zone; −, no inhibition zone. 

^cNT, not tested. 

^dV, variable.