Fig. 5From: Direct bioconversion of brown algae into ethanol by thermophilic bacterium Defluviitalea phaphyphila Transmission electron microscope (TEM) and optical microscope images of brown algae samples, unfermented brown algae (a, b, e), and brown algae after fermentation (c, d, f). e, f stained with azaleine, and scale bars 100 μmBack to article page