29.5 MB (3.1 MB compressed)
3636 x 2839 pixels
30.7 x 24.1 cm ⏐ 12.1 x 9.5 in (300dpi)
CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
False-colour transmission electron micrograph (TEM) of Clostridium butyricum bacteria. At above centre, a spore (pink) is seen enclosed within a cell; an accumulation of granules (green) is seen in the cytoplasm of other bacterial cells (lower frame). Clostridium are anaerobic, spore-forming bacillus bacteria normally occurring among decom- posing plant and animal matter, where they play an important part in putrefaction. C.butyricum fer- ments glucose to butyric acid and butanol: liquid alcohols used as solvents for resins and lacquers. Some species of Clostridium are used in biotech- nology. Magnification: x4,850 at 6x7cm size.
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