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Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. [1] Their defining characteristic is their cell envelope , which consists of a thin peptidoglycan cell wall sandwiched between an inner ( cytoplasmic ) membrane and an ...
Pages in category "Gram-negative bacteria" The following 200 pages are in this category, out of approximately 221 total. This list may not reflect recent changes .
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]
Download as PDF; Printable version; ... All species of this group are all Gram-negative. ... List of bacterial orders; List of bacteria genera; References This ...
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. Some are pathogenic for humans and other animals such as fishes and frogs. [3]
Klebsiella is a genus of Gram-negative, oxidase-negative, rod-shaped bacteria with a prominent polysaccharide-based capsule. [3] Klebsiella is named after German-Swiss microbiologist Edwin Klebs (1834–1913). Carl Friedlander described Klebsiella bacillus which is why it was termed Friedlander bacillus for many years.
The evolution of bacteria on a "Mega-Plate" petri dish A list of antibiotic resistant bacteria is provided below. These bacteria have shown antibiotic resistance (or antimicrobial resistance). Gram positive Clostridioides difficile Clostridioides difficile is a nosocomial pathogen that causes diarrheal disease worldwide. Diarrhea caused by C. difficile can be life-threatening. Infections are ...
Bacteroides is a genus of Gram-negative, obligate anaerobic bacteria. Bacteroides species are non endospore–forming bacilli, and may be either motile or nonmotile, depending on the species. [3] The DNA base composition is 40–48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids.