Growth of nitrite-oxidizing bacteria by aerobic hydrogen oxidation

Author:

Koch Hanna1,Galushko Alexander1,Albertsen Mads2,Schintlmeister Arno13,Gruber-Dorninger Christiane1,Lücker Sebastian1,Pelletier Eric456,Le Paslier Denis456,Spieck Eva7,Richter Andreas8,Nielsen Per H.2,Wagner Michael1,Daims Holger1

Affiliation:

1. Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, 1090 Vienna, Austria.

2. Center for Microbial Communities, Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, 9000 Aalborg, Denmark.

3. Large Instrument Facility for Advanced Isotope Research, University of Vienna, 1090 Vienna, Austria.

4. Commissariat à l’Energie Atomique, Direction des Sciences du Vivant, Institut de génomique, Genoscope, 91057 Evry, France.

5. Centre National de la Recherche Scientifique, UMR8030, 91057 Evry, France.

6. Université d’Evry Val d’Essonne, 91057 Evry, France.

7. Biozentrum Klein Flottbek, Microbiology and Biotechnology, University of Hamburg, 22609 Hamburg, Germany.

8. Department of Microbiology and Ecosystem Science, Division of Terrestrial Ecosystem Research, University of Vienna, 1090 Vienna, Austria.

Abstract

Oxidizing hydrogen in place of nitrite Microorganisms are important drivers of Earth's nitrogen cycle. Many of the organisms responsible for mediating the reactions of one phase of nitrogen to another are thought to be ecologic specialists. Using a combination of genomic and experimental analyses, Koch et al. show that Nitrospira moscoviensis , a member of a widely distributed genus of nitrite-oxidizing bacteria, can oxidize hydrogen instead of nitrite to support growth when oxygen is present. Not only does this ecologic flexibility suggest a broader distribution of these organisms in natural settings, but they may be important in engineered environments as well. Science , this issue p. 1052

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference49 articles.

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2. L. Y. Stein in Nitrification B. B. Ward D. J. Arp M. G. Klotz Eds. (American Society for Microbiology Washington DC 2011) pp. 95–114.

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4. Chemolithoorganotrophic Growth of Nitrosomonas europaea on Fructose

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