On monospecific genera in prokaryotic taxonomy

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A monospecific genus contains a single species ever since it was proposed. Though formally more than half of the known prokaryotic genera are monospecific, we pick up those which actually raise taxonomic problems by violating monophyly of the taxon within which it resides. Taking monophyly as a guiding principle, our arguments are based on simultaneous support from 16S rRNA sequence analysis and whole-genome phylogeny of prokaryotes, as provided by the LVTree Viewer and CVTree Web Server, respectively. The main purpose of this study consists in calling attention to this specific way of global taxonomic analysis. Therefore, we refrain from making formal emendations for the time being.




Zuo, G., & Hao, B. (2017). On monospecific genera in prokaryotic taxonomy. Synthetic and Systems Biotechnology, 2(3), 226–235. https://doi.org/10.1016/j.synbio.2017.08.004

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