ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Thermophilic archaea. False colour light micrograph of the thermophilic archaea Archaeoglobus fulgidus. This organism occurs in hot sediments near submarine hydrothermal vents, and has optimal function at an ambient temperature of 83 degrees Celsius. Unlike other genera of thermophilic (high temperature liking) arcjaea, A.fulgidus is able to reduce sulphates for anaerobic growth; the other genera all reduce elemental sulphur. Magnification x10,000 at 6x4.5cm size.
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