Fig. 4From: Construction of a bacteriophage-derived recombinase system in Bacillus licheniformis for gene deletionPlate screening of the recombinants (a). Plasmid curing efficiency of transformants with different generations of propagation (b). PCR verification of the screened transformants using primers amyL-YZ-F and amyL-YZ-R (c)Back to article page