TABLE 1.

Organisms used to design C23DO-specific primers and their carbon sources

Organism	Growth substrate	% Identity to HS1 probe	Reference
Pseudomonas putida HS1	Toluene	100	26
Pseudomonas putida mt-2	Toluene	95	42
Pseudomonas putida H	Phenol	88	21
Pseudomonas putida P35X	Phenol	87	19
Pseudomonas sp. strain CF600	Phenol	86	14
Pseudomonas sp. strain IC	Biphenyl	89	6
Pseudomonas aeruginosa JI104	Biphenyl or benzene	89	44
Pseudomonas sp. strain PpG7	Naphthalene	84	11