Fig. 3.

Agarose gel electrophoresis of PCR products of a alkane monooxygenase gene; M—express DNA ladder; P-1—Pseudomonas sp. P-1 strain; Control—sample without DNA (3 % agarose gel); b naphthalene dioxygenase gene; M—100 bp DNA ladder; P-1—Pseudomonas sp. P-1 strain; F1A—reference strain with high ability to degrade aromatic hydrocarbons (Arthrobacter sp., Markowicz and Piotrowska-Seget, Isolation and characterization of bacterial strains capable of degradation of phenanthrene, Personal Communication); Control—sample without DNA (2 % agarose gel)