Study of the initial stages of 2-methylpyridine catabolism by <Emphasis Type="Italic">Arthrobacter</Emphasis> sp. strain KM-2MP

Strain Arthrobacter sp. KM-2MP isolated from soil samples treated with pyridine and its derivatives is able to utilize 2-methylpyridine (2-MP) as the only source of carbon, nitrogen, and energy. According to the results of UV spectroscopy of the culture liquid, the substrate (2.5 g/l) is completely utilized within 24 h. Intermediate products of 2-MP degradation were detected and identified using gas chromatography-mass spectrometry analysis. On the basis of the obtained data, catabolic pathways of the substrate are proposed. The strain has successfully passed the tests and is recommended for 2-MP removal from industrial wastewater.