Fig. 2: Maximum-likelihood phylogenetic tree of non-redundant nitrogenase subunit NifH identified from cold seep metagenomic assemblies. | Nature Communications

Fig. 2: Maximum-likelihood phylogenetic tree of non-redundant nitrogenase subunit NifH identified from cold seep metagenomic assemblies.

From: Phylogenetically and catabolically diverse diazotrophs reside in deep-sea cold seep sediments

Fig. 2

Homologues of nifH were classified into canonical groups I to III, nitrogen fixation-like groups IV to VI, and newly assigned groups including groups of Methanosarcina-like, VII and VIII. NflH denotes NifH-like sequences. Scale bar indicates the mean number of substitutions per site.

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