proteobacteria

(redirected from Alpha Proteobacteria)

proteobacteria

(prō″tē-ō-băk-tē′rē-ă)
A diverse phylum of gram-negative bacteria, which includes many intestinal bacteria (e.g., Escherichia coli, Salmonella), the nitrogen-fixing bacteria, and the anaerobic purple bacteria.
References in periodicals archive ?
The diazotrophic alpha proteobacteria was represented by Azospirillum sp.
Isolation of new fastidious alpha Proteobacteria and Afipia felis from hospital water supplies by direct plating and amoebal co-culture procedures.
It is a member of the alpha proteobacteria, a group which includes phototropic bacteria, Rickettsia, and Sphingomonas.
A majority of the bacteria identified belonged to the Cytophaga-Flavobacter and Alpha proteobacteria groups.
Currently, 6 genera of acetic acid bacteria are recognized in the Alpha Proteobacteria lineage (Figure).
All these clones were closely related to a group of alpha proteobacteria that includes the genera Roseobacter, Rhodovulum, Rhodobacter, and Paracoccus.