E. coli bacterium, coloured transmission electron micrograph (TEM). Escherichia coli is a rod-shaped bacterium (bacillus), a unicellular organism. Thi
E. coli bacterium, coloured transmission electron micrograph (TEM). Escherichia coli is a rod-shaped bacterium (bacillus), a unicellular organism. This thin slice has cut through the bacterial cell lengthwise, showing the internal structure. Unlike eukaryotic organisms, bacteria do not have a membrane-bound cell nucleus. Instead, their genetic material is located on chromosomal strands (red) in an area called the nucleoid. The bacteria are thus classed as prokaryotes. E. coli is a normal component of the intestinal bacterial flora, but under certain conditions some strains can cause severe infections like gastro-enteritis. Magnification: x14,800 when printed at 10 centimetres tall.
Size: 2762px × 3163px
Photo credit: © DR KLAUS BOLLER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bacillus, bacteria, bacterial, bacteriology, bacterium, biological, cell, coli, coloured, disease, electron, escherichia, false-colour, false-coloured, gastro-enteritis, genetic, intestinal, medicine, micro-organism, microbe, microbiological, microbiology, micrograph, microscope, nucleoid, pathogen, pathological, pathology, prokaryote, prokaryotic, section, sectioned, single, tem, transmission, unicellular
