ASM 2014: New Microbes and Pathways-C1 Metabolism.

[Marina KalyuzhnayaModerator]

Join us in Boston at ASM 2014 for new discoveries in C1-world from natural methane cycle to CH4/CO based biocatalysis!
 

Session Title:	New Microbes and Pathways-C1 Metabolism
Session Type:	Symposium
Session Start/End Time:	Sunday, May 18, 2014, 2:00 PM – 4:30 PM
Location:	Meeting Room 102A
Description:	Methane (CH4), the simplest organic molecule, is an essential component of the global carbon cycle. It is one of the most potent greenhouse gases. Today, methane is not only one of the major contributors for climate change it is the primary target for near-term climate regulation. Biological methane utilization (methanotrophy) is one of the major controls of the methane budget. Methanotrophy has been previously discussed in terms of specific functional metabolic modules that thought to be relatively well understood. Recent efforts in characterization of C1-cycles in aerobic and/or anaerobic environments uncover new metabolic arrangements for microbial methane utilization. These new discoveries continue to challenge our understanding of biochemistry, biology and evolution of methanotrophy as one of the core microbial functions. At the same time, they open-up new directions for methane mitigation and provide a multitude of potential applications for biotechnology. Carbon monoxide (CO) is one of the most important reactants in the troposphere, and contributes indirectly to radiative forcing. The dynamics of CO, like methane, are determined in part by bacteria in terrestrial and aquatic system. The distribution and diversity of CO oxidizers remain largely speculative. However, new observations suggest that they occur in extreme environments, in some cases as dominant members of the microbiota, and are represented by both Bacteria and Archaea. Results from analyses of halophilic CO oxidizers suggest that some representatives of the group could survive on contemporary Mars in surface or near-surface brines using CO as an energy source.
Convener 5/18/2014 2:00:00 PM Marina Kalyuzhnaya; Univ. of Washington, Seattle, WA. Convener 5/18/2014 2:00:00 PM Gary M. King; Louisiana State Univ., Baton Rouge, LA.
Presentations: Methane Cycle: A Fresh Look at an Old Story 5/18/2014 2:00:00 PM Marina Kalyuzhnaya; Univ. of Washington, Seattle, WA. Comparative Genomics of Methanotrophs: Tales of Libertines, Teetotalers, and Recidivists 5/18/2014 3:00:00 PM Peter F. Dunfield; Univ. of Calgary, Calgary, Canada. Thermophiles, Halophiles and Mars: Aerobic Carbon Monoxide Oxidizers Going to Extremes 5/18/2014 4:00:00 PM Gary M. King; Louisiana State Univ., Baton Rouge, LA.

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