Research Interests

• Geomicrobiology: Physiology, biochemistry, and molecular biology of bacteria that catalyze metal transformations.
• Molecular mechanisms of microbial metal binding, electron transfer (redox reactions), and mineral formation.
• The biogeochemical cycling of metals in the environment. Marine biotechnology. Bioremediation. Environmental microbiology.
• Molecular environmental chemistry of Mn oxide biomineralization

Research Descriptions

• Bacterial Manganese(II) Oxidation
• Biotransformations of Chromium and Uranium
• Microbial Weathering of Ocean Basalts