portrait
Flexibacter (fleck-see-back-ter) - a bacterium isolated from a marine sediment. Benthic ecosystems in marine and many other sediments is one which has a spectacular range of chemical conditions - from an oxic habitat at the surface to an anoxic, sulphide and acidic habitat in deeper regions. The oxygen rich layer penetrates deeper into sediments during the day or when sediments are exposed to the air (photosynthesis and access to the atmosphere provide a supply of oxygen), and at night or when the tide comes up the oxygen rich layer recedes. Most organisms seem to occur only in a narrow band within the habitats, and so must be able to move with the changing chemistry of the habitat changes. Many bacteria - such as the ones illustrated here - are filamentous and flexible and can migrate through the sediments. Phase contrast. This picture was taken by David Patterson, Linda Amaral Zettler and Virginia Edgcomb of materials from sediments of the marine site, Eel Pond in Austumn 2000, spring and summer 2001. Image copyright: D. J. Patterson, L. Amaral-Zettler and V. Edgcomb, image used under license to MBL (micro*scope).
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Flexibacter
From the collection
Eel Pond, Woods Hole, Massachusetts
No description of Flexibacter available.
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