Prikladnaia Biokhimiia i Mikrobiologiia 2007-01-01

[Biological fixation of nitrogen and growth of bacteria of the genus Azotobacter in liquid media in the presence of perfluorocarbons].

M K Bakulin, A S Grudtsyna, A Iu Pletneva

Index: Prikl. Biokhim. Mikrobiol. 43(4) , 443-9, (2007)

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Abstract

The addition of perfluorocarbons (perfluorodecalin, carbogal, and perfluoromethyldecalin) to nitrogen-free liquid media during the submerged cultivation of bacteria of the genus Azotobacter was followed by (1) increases in biomass accumulation and nitrogenase activity and (2) fixation of molecular nitrogen. Addition of perfluorodecalin (5 vol %) to the culture medium of A. chroococcum ACB 121 contributed to increases in biomass accumulation, cell concentration (of more than by five times), nitrogenase activity (of 3.4 times), and total nitrogen content in the medium (of 4.5 times).

Related Compounds

  • Perfluoro(Methyld...

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