Global Distribution of Polaromonas Phylotypes
Author Information
Author(s): Darcy John L. Lynch, Ryan C. King, Andrew J. Robeson, Michael S. Schmidt, Steven K.
Primary Institution: Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America
Hypothesis
Are Polaromonas phylotypes globally distributed or endemic to individual sites?
Conclusion
Most Polaromonas phylotypes are globally distributed, but some environmental factors may influence genetic structuring at certain distances.
Supporting Evidence
- Polaromonas phylotypes are found in glacial ice and sediments worldwide.
- Genetic analyses show weak isolation by distance patterns at global scales.
- Some environmental variable may be selecting for unique phylotypes at a minority of global sites.
Takeaway
Polaromonas bacteria can be found all over the world, even in very cold places like glaciers, and they might travel through the air.
Methodology
Analyzed long-read 16S rRNA gene sequences of Polaromonas from various global glacial and periglacial environments.
Limitations
Environmental variables influencing genetic structuring were not measured due to lack of access to raw samples from most sites.
Statistical Information
P-Value
p<0.004
Statistical Significance
p<0.004
Digital Object Identifier (DOI)
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