Characterisation of New Bacillus circulans Strain Isolated from Oil Shale

Vesna Dragutinović¹*, Miroslav M. Vrvić^2,3, Izabela Swiecicka⁴, Olga Cvetković³, Tanja Berić⁵ and Slaviša Stanković<sup>5

1</sup>Institute of Medical Chemistry, Faculty of Medicine, University of Belgrade, Višegradska 26, RS-1000 Belgrade, Serbia
²Faculty of Chemistry, University of Belgrade, Studentski trg 16, RS-11000 Belgrade, Serbia
³Institute of Chemistry, Technology and Metallurgy, Center of Chemistry, University of Belgrade, Njegoševa 12, RS-11000 Belgrade, Serbia
⁴Department of Microbiology, Institute of Biology, University of Bialystok, PL-15-950 Bialystok, Poland
⁵Faculty of Biology, University of Belgrade, Studentski trg 16, RS-11000 Belgrade, Serbia

Article history:
Received March 18, 2010
Accepted January 18, 2011

Key words:
Bacillus circulans, oil shale, kerogen, siliceous bacteria

Summary:
A new strain of Bacillus sp. was obtained during experiments of oil shale demineralization, which were carried out in order to get ’pure’ organic matter (kerogen). The demineralization efficiency of newly isolated strain was found to be substantially higher in comparison with that of Bacillus circulans Jordan 1890. On the basis of the biochemical characteristics, protein patterns and fatty acid composition, as well as the whole genome profile and 16S rDNA sequencing, the new strain was identified as Bacillus circulans VD01.

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