A strain of bacterium with the capability of producing single cell oil was isolated from the wastewater of oil refining factory. The sequence analysis of 16S rDNA fragment showed that the strain QJ3011 belonged to Mycobacterium sp.. Lipid bodies were observed in the cells collected from nitrogen limited cultural medium by TEM. Fatty acids analysis of the lipid extracted from the cells revealed that the storage lipid was triglycerides. Conversion efficiency of each carbon source was quite different. Glucose and glycerol were favorable carbon sources for triglycerides accumulation, while the eff...
