David Coil edited Results and Discussion.md  over 8 years ago

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**Conclusions**  Strain CoronadoT clearly falls within the _Erythrobacteraceae_ family, based on both phylogenetic analysis and physical characteristics (notably fatty acid profile, carotenoid production, major respiratory quinone, and GC content). Using Bayesian and Maximum Likelihood phylogenetic reconstruction, the strain falls within a well-supported (but polyphyletic) _Porphyrobacter_ clade. In addition, CoronadoT shares a number of characteristics with _Porphyrobacter_, including the fatty acid profile, polar lipid composition, catalase activity, etc. The largest differences are the tolerance for growth at lower temperatures, elevated C16:0, and the lack of bacteriochlorophyll _a_ (for the latter of which we have proposed emending the genus description). These characteristics, in combination with the phylogenetic analysis, lead us to propose that Coronado T CoronadoT  be classified as _Porphyrobacter mercurialis_ sp. nov. We are aware that a future in depth polyphasic comparative study and/or a genome sequencing based taxonomic revision of the entire family may merit a distinct genus for this this strain.