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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.
Pseudomonadota Escherichia coli Scientific classification Domain: Bacteria Phylum: Pseudomonadota Garrity et al. 2021 Classes Acidithiobacillia Alphaproteobacteria Betaproteobacteria Gammaproteobacteria Hydrogenophilalia Zetaproteobacteria Synonyms "Proteobacteria" Stackebrandt et al. 1988 [6] "Proteobacteria" Gray and Herwig 1996 [7] "Proteobacteria" Garrity et al. 2005 [8] "Proteobacteria ...
Acinetobacter baumannii is a typically short, almost round, rod-shaped ( coccobacillus) Gram-negative bacterium. It is named after the bacteriologist Paul Baumann. [2] It can be an opportunistic pathogen in humans, affecting people with compromised immune systems, and is becoming increasingly important as a hospital-derived ( nosocomial) infection.
Dec 24, 2022 · Gammaproteobacteria include an exceeding number of important pathogens, e.g. Salmonella, Yersinia, Vibrio, Pseudomonas aeruginosa. Like all Proteobacteria, the Gammaproteobacteria are Gram-negative. Some Gammaproteobacteria are methane oxidizers, and many of them are in symbiosis with geothermic ocean vent dwelling animals.
Gammaproteobacteria consists of human pathogens (e.g., Pseudomonas aeruginosa Salmonella, Vibrio, and Yersinia,); some genera are methane oxidizers and some genera are in symbiosis with hydrothermal vent dwelling animals. Pseudomonas aeruginosa is a stringently aerobic, nonfermenting motile bacterium.
Sep 30, 2021 · The relative abundance of Gammaproteobacteria was significantly and directly correlated with the levels of oxidative stress and locomotive ability of the host. These results strongly supported Gammaproteobacteria as a potential indicator taxon in response to soil pollution, although limited to the environmental concentrations in this study.
Mar 5, 2010 · An initial set of protein families that approximated one occurrence per genome among 97 Gammaproteobacteria were selected from the GeneTrees database , and the alignments were used for HMMsearch using HMMer to find instances in the full set of 215 genomes. The 20 gene families with the lowest standard deviation of members per genome, the ...
