Azotobacter

Brief description:

Azotobacter is a Gram-negative free-living soil bacterium capable of nitrogen fixation. It is unusual also in that one cell may contain as many as 50 copies of its chromosome! Azotobacter is obligately aerobic and chemoheterotrophic.

Classification: 

g-Proteobacteria (Volume 2), Order Pseudomonadales

Research/Links:

http://www.jgi.doe.gov/JGI_microbial/html/azotobacter/azoto_homepage.html