» Microbial cycling of methane and nitrous oxide in freshwater lakes and coastal oceans
◦ Activity and abundance of methanotrophic microorganisms in situ
◦ Microbial processes consuming methane under low oxygen tensions
◦ Anaerobic respiration of nitrogen oxides by methanotrophic bacteria
» Anaerobic microbial metabolism
◦ Anaerobic respiration by prokaryotic and eukaryotic microbes
» Microbial symbioses among prokaryotes, and pro- and eukaryotic partners
◦ Mechanisms of microbial interactions
» Application of single-cell imaging methods in environmental microbiology
◦ nanoSIMS, Raman microscopy, electron microscopy
◦ correlative imaging