Genome of Nautilia profundicola: Adaptations to Hydrothermal Environments
Author Information
Author(s): Campbell Barbara J., Smith Julie L., Hanson Thomas E., Klotz Martin G., Stein Lisa Y., Lee Charles K., Wu Dongying, Robinson Jeffrey M., Khouri Hoda M., Eisen Jonathan A., Cary S. Craig
Primary Institution: University of Delaware
Hypothesis
What genetic adaptations allow Nautilia profundicola to thrive in extreme hydrothermal vent environments?
Conclusion
Nautilia profundicola possesses unique genetic adaptations that enable it to survive and thrive in the extreme conditions of hydrothermal vents.
Supporting Evidence
- Nautilia profundicola has a genome size of 1.7 Mbp with 1,745 protein-coding genes.
- The genome contains unique adaptations such as a novel nitrate assimilation pathway.
- Reverse gyrase, a gene thought to be unique to hyperthermophiles, is present and highly expressed in N. profundicola.
- N. profundicola can utilize hydrogen and formate as energy sources.
- The organism's genome reflects adaptations to fluctuating temperatures and redox conditions.
Takeaway
Nautilia profundicola is a tiny microbe that lives in super hot underwater vents and has special genes that help it survive in those extreme conditions.
Methodology
The genome of Nautilia profundicola was sequenced and analyzed to identify adaptations to hydrothermal vent environments.
Digital Object Identifier (DOI)
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