Nitrogenase phylogeny and the molybdenum dependence of nitrogen fixation in Methanococcus maripaludis-Reference-Cited by-同舟云学术

Nitrogenase phylogeny and the molybdenum dependence of nitrogen fixation in Methanococcus maripaludis

Published:1997-01 Issue:2 Volume:179 Page:541-543
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Kessler P S¹,McLarnan J¹,Leigh J A¹

Affiliation:

1. Department of Microbiology, University of Washington, Seattle 98195, USA.

Abstract

We studied the effects of molybdenum, vanadium, and tungsten on the diazotrophic growth of Methanococcus maripaludis. Mo stimulated growth, with a maximal response at 4.0 microM, while V had no effect at any concentration tested. W specifically inhibited diazotrophic growth in the presence of Mo. Coupling the results of our analysis and other known metal requirements with phylogenies derived from nifD and nifK genes revealed distinct clusters for Mo-, V-, and Fe-dinitrogenases and suggested that most methanogens also have molybdenum-type nitrogenases.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/jb.179.2.541-543.1997

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