2009 Annual Science Report
NASA Goddard Space Flight Center Reporting | JUL 2008 – AUG 2009
Advancing Methods for the Analyses of Organics Molecules in Microbial Ecosystems
Eigenbrode’s GCA work over the past year has largely focused on advancing protocols for the extraction and analysis of complex organics molecules in iron-oxide rich samples regarded as analogs to groundwater seeps and ancient surface water environments on Mars and ancient Earth. Eigenbrode has succeeded with some advance in methods for organic extraction and analysis for samples that include iron seep sediments, cultured iron bacteria, and terrace sediments of the Rio Tinto. In addition, Eigenbrode has been part of a successful study aimed at understanding microbial metabolisms and ecological evolution of Neoarchean using Fe, S, and C isotopic records.
PROJECT MEMBERS:Jennifer Eigenbrode
RELATED OBJECTIVES:Objective 2.1
Earth's early biosphere.
Environment-dependent, molecular evolution in microorganisms
Co-evolution of microbial communities
Biochemical adaptation to extreme environments
Effects of environmental changes on microbial ecosystems
Biosignatures to be sought in Solar System materials