JCVI: Abstract
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Badger, J. H., Eisen, J. A., Ward, N. L.

Genomic Analysis of Hyphomonas neptunium Contradicts 16S RRNA Gene-based Phylogenetic Analysis: Implications for the Taxonomy of the Orders 'Rhodobacterales' and Caulobacterales

Int J Syst Evol Microbiol. 2005 May 01; 55(0): 1021-6.

PubMed Citation


Hyphomonas neptunium is a marine prosthecate alpha-proteobacterium currently classified as a member of the order 'Rhodobacterales'. Although this classification is supported by 16S rRNA gene sequence phylogeny, 23S rRNA gene sequence analysis, concatenated ribosomal proteins, HSP70 and EF-Tu phylogenies all support classifying Hyphomonas neptunium as a member of the Caulobacterales instead. The possible reasons why the 16S rRNA gene sequence gives conflicting results in this case are also discussed.