Carbon Cycle Science & Technology Group

Hierarchical Experimental Responses at Macromolecular to Ecosystem Scales

HERMES (PI Rogers)

The absence of good mechanistic understanding of how changes at one level of biological organization alter the response at another level of organization is a major barrier to understanding and predicting ecosystem responses to global change. By studying Hierarchical Experimental Responses at Macromolecular to Ecosystem Scales we aim to understand how different levels of biological organization are integrated and how mechanisms expressed at one level of organization can be understood in terms of processes operating at different levels of organization.

We are growing Arabidopsis with modified nitrate reductase activity and following the consequences of this modification through multiple levels of biological organization; cells to ecosystem in plants grown at current and elevated [CO₂]. The overarching hypothesis of this project is that a single-enzyme change affecting an important biological process will translate across multiple levels of biological organization to produce detectable and predictable responses at the ecosystem level. This project is collaboration between Oak Ridge, Los Alamos and Brookhaven National Laboratories. more...

Last Modified: January 31, 2008
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One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE’s Office of Science by Brookhaven Science Associates, a limited-liability company founded by Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

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