Table 2.

Cross-infective phages against different E. coli clinically isolated strains. Original host strains (clear zone of lysis, OH: blue), susceptible bacterial strains (clear zone of lysis, S: green), and resistant strains (no zone of lysis, R: red) against phage infection.

Bacteriophage Number	Original Host	E. coli LF82	E. coli MG1655	E. coli CFT073
IBEC 36	E. coli LF82	OH	R	R
IBEC 37	E. coli LF82	OH	R	R
IBEC 38	E. coli LF82	OH	R	R
IBEC 39	E. coli LF82	OH	R	R
IBEC 40	E. coli LF82	OH	S	R
IBEC 41	E. coli MG1655	R	OH	R
IBEC 42	E. coli MG1655	R	OH	R
IBEC 43	E. coli MG1655	R	OH	R
IBEC 44	E. coli MG1655	R	OH	R
IBEC 45	E. coli MG1655	R	OH	R
IBEC 46	E. coli MG1655	R	OH	R
IBEC 47	E. coli MG1655	R	OH	R
IBEC 48	E. coli MG1655	R	OH	R
IBEC 49	E. coli MG1655	R	OH	R
IBEC 50	E. coli MG1655	R	OH	R
IBEC 51	E. coli MG1655	R	OH	R
IBEC 52	E. coli MG1655	R	OH	R
IBEC 53	E. coli MG1655	R	OH	R
IBEC 77	E. coli CFT073	R	R	OH
IBEC 78	E. coli CFT073	R	R	OH
IBEC 98	E. coli CFT073	R	R	OH

Note: For the cross infection studies, the average repeates performed for each E. coli strain against each isolated IBEC phages were minimum of 3 times. Here, the phages which formed blur or turbid plaques were not considered as cross infective for this studies for selection of the best candidate phages for further studies. The spot test for cross-infectivity study were determined after overnight incubation at 37 °C.