- Antarctic Permanently Ice-Covered-Lake Microbial Observatory
- Genomics of Oceanic Bacteria
- High Throughput Microbial Cultivation Lab and Collaborative Projects with HTCC Strains
- Marine Microbial Genome Sequencing Project
- Microbial Ecology of Hypoxic Zones in the Northwestern Pacific Ocean
- Ocean Lithosphere
- SAR11 Biology from the Ocean Gyres to the Double Helix
- Sargasso Sea Microbial Observatory
- The Impact of Pelagibacter on DOM Composition Under Light and Dark Conditions
- Contact Us
Antarctic Permanently Ice-Covered-Lake Microbial Observatory
Microbial Diversity and Function in the Permanently Ice-Covered-Lakes of the McMurdo Dry Valleys in Antarctica
This NSF-sponsored project is a study of prokaryotic organisms within the permanently ice-covered lakes of the McMurdo Dry Valleys, Antarctica, with the objective of identifying and characterizing novel organisms and elucidating those aspects of their genome and metabolism that are critical to understand their role in biogeochemical cycles.
Specifically, the study will use molecular tools in concert with conventional and high throughput culturing techniques to define representative prokaryotic groups responsible for the contemporary redox couples and geochemical gradients that exist in these lakes.
The data will be integrated with prokaryotic based exoenzyme signatures and physiological traits to link prokaryotic diversity with ecosystem function.
A primary reason for establishing a Microbial Observatory for these lakes is to understand not just how the environment controls the diversity of organisms, but also how diversity itself controls the functioning of ecosystems.
The McMurdo Dry Valley lake systems lend themselves to answer these questions in a unique way. Given the isolation, the lack of metazoans, and the evolutionary history and resultant geochemistry of these lakes, they offer a unique experimental arena to search for novel microorganisms and study the interplay of microbial diversity and ecosystem function.