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Genomic Manipulations of the Diazotroph Azotobacter vinelandii
2018The biological reduction of nitrogen gas to ammonia is limited to a select group of nitrogen-fixing prokaryotes. While nitrogenase is the catalyst of nitrogen fixation in these biological systems, a consortium of additional gene products is required for the synthesis, activation, and catalytic competency of this oxygen-sensitive metalloenzyme.
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Ecology and Microbiology of Symbiotic Diazotrophs
1984Nodulation of legumes by rhizobia occurs in a series of steps which include: (1) rhizobial growth in the plant rhizosphere; (2) attachment of the rhizobia to roothairs of the legume; (3) rhizobial induced root-hair curling; (4) infection thread formation within the root hairs (5) growth of the ...
W. J. Broughton +4 more
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Across-Habitat Comparison of Diazotroph Activity in the Subarctic
Microbial Ecology, 2014Nitrogen (N) fixation by N2-fixing bacteria (diazotrophs) is the primary N input to pristine ecosystems like boreal forests and subarctic and arctic tundra. However, the contribution by the various diazotrophs to habitat N2 fixation remains unclear.
Rousk, Kathrin +3 more
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Oxygen and the Physiology of Diazotrophic Microorganisms
1984This synthesis paper discusses some aspects of O2-related problems using representative examples from recent literature seen by the author up to June 1983. A large proportion of diazotrophic microorganisms require O2 as the terminal electron acceptor for energetic pathways; these are the most energetically efficient.
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Interactions Between Diazotrophs and Grasses
1997Molecular phylogenetic studies based on comparative sequence analysis of genes or protein sequences has gained increasing importance in understanding evolutionary relationships of organisms. Moreover, these techniques allowed an insight in development of intimate interactions between organisms in some cases.
Barabara Reinhold-Hurek, Thomas Hurek
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Scripting a new dialogue between diazotrophs and crops
Trends in MicrobiologyDiazotrophs are bacteria and archaea that can reduce atmospheric dinitrogen (N2) into ammonium. Plant-diazotroph interactions have been explored for over a century as a nitrogen (N) source for crops to improve agricultural productivity and sustainability. This scientific quest has generated much information about the molecular mechanisms underlying the
Sanhita Chakraborty +4 more
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Trichodesmium, the paradoxical diazotroph
Algological Studies/Archiv für Hydrobiologie, Supplement Volumes, 1996John R. Gallon +2 more
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