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Pseudomonadota (synonym "Proteobacteria") is a major phylum of Gram-negative bacteria. [10] Currently, they are considered the predominant phylum within the realm of bacteria. [ 11 ] They are naturally found as pathogenic and free-living (non- parasitic ) genera. [ 11 ]
Bacteria in the Oceanospirillales include hydrocarbon-degrading groups such as Oleispira antarctica, Thalassolituus oleivorans, and Oleiphilus messinensis, which were found in the indigenous microbial community in deep waters after the Deepwater Horizon oil spill in 2010.
Alphaproteobacteria is a type of proteobacteria, and it can be divided into several different orders, including Rhodobacterales, Rhodospirillales, and Caulobacterales. Although there are numerous orders of Alphaproteobacteria, there are over 100 families of bacteria within the class. Among these, the most abundant is the Pelagibacteraceae ...
Gammaproteobacteria is a class of bacteria in the phylum Pseudomonadota (synonym Proteobacteria). It contains about 250 genera, which makes it the most genus-rich taxon of the Prokaryotes. [1] Several medically, ecologically, and scientifically important groups of bacteria belong to this class. All members of this class are Gram-negative.
The Betaproteobacteria are one of the eight classes that make up the Pseudomonadota ("Proteobacteria"). The Betaproteobacteria are most closely related to the Gammaproteobacteria, Acidithiobacillia and Hydrogenophilalia, which together make up a taxon which has previously been called "Chromatibacteria".
The Pelagibacterales are an order in the Alphaproteobacteria composed of free-living marine bacteria that make up roughly one in three cells at the ocean's surface. [2] [3] [4] Overall, members of the Pelagibacterales are estimated to make up between a quarter and a half of all prokaryotic cells in the ocean.
Mariprofundus ferrooxydans PV-1 twisted stalks TEM image. One example of Fe oxide morphotypes produced by the Zetaproteobacteria. Image by Clara Chan. The Zetaproteobacteria were first discovered in 1991 by Craig Moyer, Fred Dobbs and David Karl as a single rare clone in a mesophilic, or moderate temperature, hydrothermal vent field known as Pele's Vents at Kamaʻehuakanaloa Seamount (formerly ...
The Aeromonadaceae are Gram-negative bacteria. [2] The species are facultative anaerobic organisms. [3] The cells are rod-shaped. They are mostly found in estuarine waters and fresh water, also in soil and sewage.