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Antibiotic resistance has become widespread in bacterial pathogens, and in Gram-negative bacteria such as the Enterobacteriaceae, much of this comes from acquired genes. The resistance genes encode proteins that export or inactivate β-lactam antibiotics , aminoglycosides , tetracycline , chloramphenicol , fosfomycin , etc. Plasmids carrying ...
Klebsiella bacteria tend to be rounder and thicker than other members of the family Enterobacteriaceae. They typically occur as straight rods with rounded or slightly pointed ends. They can be found singly, in pairs, or in short chains. Diplobacillary forms are commonly found in vivo. [6]
Klebsiella aerogenes, [2] previously known as Enterobacter aerogenes, is a Gram-negative, oxidase-negative, catalase-positive, citrate-positive, indole-negative, rod-shaped bacterium. [3] Capable of motility via peritrichous flagella, [ 4 ] it is approximately one to three microns in length.
Enterobacteriaceae is a large family of Gram-negative bacteria. It includes over 30 genera and more than 100 species. It includes over 30 genera and more than 100 species. Its classification above the level of family is still a subject of debate, but one classification places it in the order Enterobacterales of the class Gammaproteobacteria in ...
Enterobacter taylorae is a Gram-negative bacteria formerly known as Enteric Group 19, and also known as Enterobacter cancerogenus. [1] Strains of E. taylorae are positive for: Voges-Proskauer, citrate utilization, arginine dihydrolase and malonate utilization.
The genus Hafnia is one of more than 40 genera that currently comprise the order Enterobacterales.. Although Møller originally described this genus in 1954, the legitimacy of this group was constantly challenged over the next two decades, often being referred to by synonyms such as "Enterobacter alvei", "Enterobacter aerogenes subsp. hafniae" and "Enterobacter hafniae" but it is mostly ...
Antibodies towards several O antigens cross-react with other O antigens and partially to K antigens not only from E. coli, but also from other Escherichia species and Enterobacteriaceae species. [8] The O antigen is encoded by the rfb gene cluster. rol (cld) gene encodes the regulator of lipopolysaccharide O-chain length. [citation needed]
Davis is an American bacteriologist who has contributed to serological and biochemical identification of Enterobacteriaceae and Vibrionaceae. [9] Cedecea lapagei was named after Stephen Lapage, who is a British bacteriologist. Lapage has contributed to bacterial systematics as the editor of Bacteriological Code. Lapage has also made many ...