DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Nitrosomonas sp., gram negative, aerobic, rod prokaryote. A obligate chemolithotrophic, nitrifying bacterium that oxidizes ammonia to nitrite (first step in two step process of nitrification). Habitats include: soil, sewage, fresh water and marine ecosystems. Magnification: x2,200 when shortest axis printed at 25 millimetres.
Model release not required. Property release not required.