Fig. 1From: Physiological role of isocitrate lyase in dibenzo-p-dioxin and dibenzofuran metabolism by Sphingomonas wittichii RW1Conformation of the mutant strains by PCR. 1 Kb plus DNA ladder (L). Wild type gene of icl locus (WT). PCR of transconjugants showing both mutated and wild type region of icl (TC). PCR of icl mutants showing the mutated icl after double crossover (1,2, and 3)Back to article page