From Wikipedia, the free encyclopedia Proteobacteria is a major phylum of Gram-negative bacteria. They include a wide variety of pathogenic genera, such as Escherichia, Salmonella, Vibrio, Helicobacter, Yersinia, Legionellales, and many others.
- Proteobacteria, Stackebrandt et al., 1988, Garrity et al. 2005
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The Proteobacteria are a major phylum of bacteria. They are gram-negative bacteria. This means they do not retain the violet dye in the Gram staining protocol. In a Gram stain test, a counterstain (commonly safranin) is added after the crystal violet, colouring all gram-negative bacteria with a pink colour.
- Proteobacteria, Stackebrandt et al., 1988
From Wikipedia, the free encyclopedia Alphaproteobacteria is a class of bacteria in the phylum Proteobacteria (See also bacterial taxonomy). Its members are highly diverse and possess few commonalities, but nevertheless share a common ancestor.
From Wikipedia, the free encyclopedia The Gammaproteobacteria are a class of bacteria. Several medically, ecologically, and scientifically important groups of bacteria belong to this class. Like all Proteobacteria, the Gammaproteobacteria are Gram-negative.
- Role in disease
- Economic Importance
Betaproteobacteria are a class of gram-negative bacteria, and one of the eight classes of the phylum Proteobacteria. The Betaproteobacteria are a class comprising over 75 genera and 400 species of bacteria. Together, the Betaproteobacteria represent a broad variety of metabolic strategies and occupy diverse environments from obligate pathogens living within host organisms to oligotrophic groundwater ecosystems. Whilst most members of the Betaproteobacteria are heterotrophic, deriving both their
The Betaproteobacteria are one of the eight classes that make up the "Proteobacteria". The Betaproteobacteria are most closely related to the Gammaproteobacteria, Acidithiobacillia and Hydrogenophilalia, and together they make up a taxon which has previously been called "Chromatibacteria". Four orders of Betaproteobacteria are currently recognised — the Burkholderiales, the Neisseriales, the Nitrosomonadales and the Rhodocyclales. The name "Procabacteriales" was also proposed for an order ...
Some members of the Betaproteobacteria can cause disease in various eukaryotic organisms, including in humans, such as members of the genus Neisseria: N. gonorrhoeae and N. meninngitides being primary examples, which cause gonorrhea and meningitis respectively, as well as Bordetella pertussis which causes whooping cough. Other members of the class can infect plants, such as Burkholderia cepacia which causes bulb rot in onions as well as Xylophilus ampelinus which causes necrosis of grapevines.
Various human activities, such as fertilizer production and chemical plant usage, release significant amounts of ammonium ions into rivers and oceans. Ammonium buildup in aquatic environments is potentially dangerous because high ammonium content can lead to eutrophication. Biological wastewater treatment systems, as well as other biological ammonium-removing methods, depend on the metabolism of various Bacteria including members of the Nitrosomonadales of the Betaproteobacteria that undergo nit
From Wikipedia, the free encyclopedia Epsilonproteobacteria are a class of Proteobacteria. All species of this class are, like all Proteobacteria, Gram-negative. The Epsilonproteobacteria consist of few known genera, mainly the curved to spirilloid Wolinella spp., Helicobacter spp., and Campylobacter spp.
From Wikipedia, the free encyclopedia The Deltaproteobacteria are a class of Proteobacteria. All species of this group are, like all Proteobacteria, Gram-negative.
Proteobacteria is a major phylum of Gram-negative bacteria. They include a wide variety of pathogenic genera, such as Escherichia, Salmonella, Vibrio, Helicobacter, Yersinia, Legionellales, and many others. O Others are free-living (non parasitic) and include many of the bacteria responsible for nitrogen fixation.
From Wikipedia, the free encyclopedia The class Zetaproteobacteria is the sixth and most recently described class of the Proteobacteria. Zetaproteobacteria can also refer to the group of organisms assigned to this class.
Proteobacteria (do grego: Proteus, deus do oceano capaz de mudar de forma; + bakterion, pequeno bastão) é um filo composto por bactérias gram-negativas e é definido principalmente pela sequência genética 16S rRNA.
- "Proteobacteria", Garrity, Bell & Lilburn 2005