proteobacteria


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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 ?
Proteobacteria, Tenericutes, and Fibrobacter, minor phyla in the rumen, only accounted for 4.
The team, along with other collaborators at the University of Rhode Island and the Marine Biological Laboratory, further confirmed that a large portion of the B12 supply in the Southern Ocean appears to be produced by a particular group of gamma proteobacteria bacteria belonging to the Oceanospirllaceae.
Objective: Curli are functional amyloid fibers that constitute the major protein component of the extracellular matrix in pellicle biofilms formed by Bacteroidetes and Proteobacteria.
It is in the Alphaproteobacteria class, which is part of the Proteobacteria phylum.
It has been reported that 39 bacterial strains of the classes Firmicutes and Proteobacteria can degrade PHB, PCL, and PBS, but not PLA [18].
The phloem-limited bacterium of greening disease of citrus is a member of the a subdivision of the Proteobacteria.
In general, the oral microbiome is diverse, and oral wash samples (surrogates for the oral flora) from 20 healthy subjects analyzed using high-throughput methods revealed the presence of 5 major phyla (Firmicutes, Proteobacteria, Bacteroidetes, Actinobacteria, and Fusobacteria) and that Streptococcus, Veillonella, Leptotrichia, Prevotella, and Haemophilus genera were the most abundant.
The results showed the distribution of phyla Proteobacteria dominated in the esophagus (43-65%), whereas the Firmicutes were abundant in the intestines (57.
It is widely known that the microbial community is sensitive to management practice, and there is growing evidence that Proteobacteria dominate soils with high nutrient status (exhibiting copiotrophy) and slow-growing oligotrophic Acidobacteria dominate under nutrient-poor conditions (Fierer et al.
Seasonal dynamics of particle-associated and free-living marine Proteobacteria in a salt march tidal creek as determined using fluorescence in situ hybridization.
Before surgery, increased quantities of Bacteroidetes were observed, but reductions in Bacteroidetes and enhanced quantities of Proteobacteria were detected following surgery (48).
The post-bypass community was dominated by Proteobacteria and Proteobacteria, and had relatively low levels of Firmicutes," Turnbaugh said.