TABLE 2.

Relative growth of adapted P. putida GPo12(pGEc47ΔB) strains, expressing CYP153A6 and AlkB variants, on minimal medium plates with alkanes as the sole carbon source

Complementing alkane monooxygenase	Days required for growth to full lawn with selected carbon source
	Ethane	Propane	Butane	Pentane	Octane
AlkB wild type	NGa	5	5	3	2
AlkB-BMO1	NG	5	3	6	7
AlkB-BMO2	NG	5	2	4	8
CYP153A6 wild type	NG	NG	NG	2	2
CYP153A6-BMO1	NG	NG	5	1.5	5

^aNG, no growth detected during 3-week observation.