Article
A global census of nitrogenase diversity.
Environmental microbiology - 1 Jul 2011
Gaby John Christian, Buckley Daniel H
Abstract excerpt
The global diversity of nitrogen-fixing microorganisms was assessed through construction and analysis of an aligned database of 16,989 nifH sequences. We conclude that the diversity of diazotrophs is still poorly described and that many organisms remain to be discovered. Our analyses indicate that diversity is not distributed evenly across phylogenetic groups or across environments and that some of the most...
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