Figure 4From: Genome-guided analysis of physiological and morphological traits of the fermentative acetate oxidizer Thermacetogenium phaeumElectron micrographs of a syntrophically grown co-culture of Th. Phaeum and Methanothermobacter thermautotrophicus strain TM. A Young cell with flagellum. B Round structures on top of cells that might comprise bacteriophages; some show a tail-like structure (arrow). C Outgrown cells forming aggregates do not carry flagella.Back to article page