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. 1976 Apr 1;107(3):235-40.
doi: 10.1007/BF00425333.

Nitrogen fixation by hydrogen-utilizing bacteria

J A De Bont, M W Leijten

Nitrogen fixation by hydrogen-utilizing bacteria

J A De Bont et al. Arch Microbiol. .

Abstract

Seventeen strains of nitrogen-fixing bacteria, isolated from different habitats on hydrogen and carbon dioxide as well as on other substrates, morphologically resembled each other. All strains, including Mycobacterium flavum 301, grew autotrophically with hydrogen. The isolate strain 6 was sensitive to oxygen when dependent on N2 as nitrogen source, a consequence of the sensitivity of its nitrogenase towards oxygen. At the same time, strain 6 was sensitive to hydrogen when growing autotrophically on N2 as nitrogen source, but hydrogen did not affect acetylene reduction by these cells.

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