Figure 3. Amplicons of a 264bp fragment from the angular dioxygenase amplified using the primers DOalpha -2 and DOalpha-3. L: 100bp DNA ladder, 1: Rhodococcus pyridinivorans RM2, 2: Rhodococcus rhodochrous RM3, 3: Extensimonas perlucida RM1, 4: Rhodococcu