Sunday, December 18, 2011

What is Azotobacter

Azotobacter is a genus of usually motile, oval or spherical bacteria that form thick-walled cysts, and may produce large quantities of capsular slime. This is the cross section of a cyst of the bacterium, Azotobacter. Azotobacter is an organism that lives in soil. It can fix nitrogen. Unlike rhizobium, azotobacter is free-living. This cyst is a resting stage for this organism that allows it to survive in harsh conditions. This cyst has the same function as endospores in other bacteria. Beyond Azotobacter’s use as a model organism it has biotechnological applications. Examples are its use for alginate production and for nitrogen production in batch fermentations.Polyhydroxybutyrate is produced under certain conditions. Azotobacter are Gram-negative bacteria. Their unique arrangement of tercet crisp nitrogenase enzymes makes these bacteria of finical involvement to scientists, who may work toward a better understanding of nitrogen fixation and its part stylish factory farm. Azotobacter spp. have the most high-pitched metabolic place of immoderate organisms.
Azotobacter vinelandii is an aerobic soil-dwelling being with a all-embracing miscellany of metabolic capabilities which include the ability to determine atmospheric nitrogen from exchanging it to ammonia.  Like Klebsiella pneumoniae it desexualises nitrogen incoming the free-living express and does not enter into symbioses with imbeds; a know-how typified near the symbiosis between members of the genus Rhizobium and a miscellanea of leguminous implants.  Two has of the biology of Azotobacter make it of peculiar pursuit to scientists studying the nitrogen fixation mental process.
In addition, it provides an nonpareil organization stylish which to investigate the actions of cyst establishment and xenobiotic degradation. Considers upon these and else aspects of Azotobacter biology will be significantly enhanced by the provision of a finished and well-annotated genome succession. Within the Pseudomonadaceae home only one of the triad intense genera experiences amply sequenced interpreters (genus Pseudomonas). Purvey of the everlasting A. vinelandii genome therefore also does when unmatchable of the of the essence gold-standard phylogenetic keystone channelises for comparative genomics.
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