1. 
   azotobacteraceae
   A family of motile, gram-negative bacteria found in soil and water and capable of fixing atmospheric nitrogen. ... (12 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?azotobacteraceae
   
   
2. 
   Azotobacteraceae
   The family Azotobacteraceae contains aerobic diazotrophs with two Genera, Azomonas and Azotobacter, distinguished by the ability to form cysts. The family is also characterized by variable cell shape, the classic shape being ovoid while many are pleomorphic. With an adequate supply of Mo the Azotob...
   Found op http://en.wikipedia.org/wiki/Azotobacteraceae
   
   

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