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diazotroph

   Also found in: Wikipedia 0.01 sec.
diazotroph [dī′az·ə‚träf]
(microbiology)
An organism that carries out nitrogen fixation; examples areClostridiumandAzotobacter.


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These elements are all that an organism called a diazotroph needs to capture nitrogen and carbon from the air and transform them into organic solids that then sink to the ocean floor.
Studies on the soil bacterium Azotobacter vinelandii indicate that it yields hydrogen as a by-product of nitrogen fixation; and its characteristics such as high respiratory rates, the ability of expressing anaerobic proteins, and lower growth requirements project the possibility of bridging the diazotroph and hydrogenase.
 
 
 
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