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Resistance mechanisms in Enterobacteriaceae
Pathology, 2015Enterobacteriaceae are responsible for a large proportion of serious, life-threatening infections and resistance to multiple antibiotics in these organisms is an increasing global public health problem. Mutations in chromosomal genes contribute to antibiotic resistance, but Enterobacteriaceae are adapted to sharing genetic material and much important ...
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A. Genetic Homology in the Enterobacteriaceae
1971Publisher Summary This chapter reviews four separate measures of genetic relatedness among the members of the Enterobacteriaceae and related genera that have been considered. First, transfer of genetic elements can occur in intercrosses within the entire group. However, integration of chromosomal genes from escherichia coli occurs with high frequency
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Pyrazinamidase activity in Enterobacteriaceae
Research in Microbiology, 1992Pyrazinamidase activity was tested in 1,033 strains of 15 different genera of Enterobacteriaceae. The test was performed by a simple method which reveals the production of pyrazionic acid by a heavy bacterial suspension in 0.2 ml of a 0.5% pyrazinecarboxamide solution in Tris-maleate (0.2 M, pH 6) buffer after incubation for 18 h at 37 degrees C ...
Giuseppe Giammanco, Sarina Pignato
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2021
This chapter discusses Enterobacteriaceae, which consist of a large, heterogeneous group of aerobic gram-negative bacilli whose natural habitat is the gastrointestinal tract of animals and humans. It highlights three members of the Enterobacteriaceae that are considered pathogens whenever they are isolated from humans: namely Salmonella, Shigella, and ...
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This chapter discusses Enterobacteriaceae, which consist of a large, heterogeneous group of aerobic gram-negative bacilli whose natural habitat is the gastrointestinal tract of animals and humans. It highlights three members of the Enterobacteriaceae that are considered pathogens whenever they are isolated from humans: namely Salmonella, Shigella, and ...
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The management of multidrug-resistant Enterobacteriaceae
Current Opinion in Infectious Diseases, 2016Purpose of review Multidrug-resistant (MDR) Enterobacteriaceae are often related to the production of extended-spectrum b-lactamases (ESBLs) and carbapenemase-producing Enterobacteriaceae (CRE), and represent an increasing global threat.
Bassetti M., Peghin M., Pecori D.
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Carbapenem-resistant Enterobacteriaceae: An emerging bacterial threat.
Seminars in diagnostic pathology, 2019The first reports of carbapenem resistance in Enterobacteriaceae isolates occurred in the early 1990s. Researchers published the first report of an isolate that produced Klebsiella pneumoniae carbapenemase in 2001.
Joseph D. Lutgring
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Identification of Enterobacteriaceae with the Minitek system
Journal of Applied Bacteriology, 1988A total of 417 strains (361 Enterobacteriaceae, 56 Vibrionaceae) was examined in all the available Minitek system tests. The results were processed through four successive identification schemes devised by the manufacturer and the proportion of strains correctly identified, not identified or incorrectly identified determined for each scheme.
P.S. Humphry, B. Holmes
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Enterobacteriaceae in Transplantation
2019Enterobacteriaceae comprise important pathogens for recipients of solid organ and hematopoietic stem cell transplants. Especially common in the early posttransplant period when transplant recipients are still hospitalized, they can occur at any time following the procedure.
Emily A. Blumberg +2 more
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The VI Antigens of the Enterobacteriaceae
The Journal of Immunology, 1959Summary Purified Vi antigens isolated from P. ballerup, E. coli and S. typhosa, strains Ty2 and 61 were studied by means of the agar diffusion precipitin technique and found to be serologically identical. When high relative concentrations of Vi antigen were allowed to react with either homologous or heterologous antibody the zone of ...
Roberta E Whiteside, Edgar E Baker
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Hospital Practice, 1991
Enterobacteriaceae are ubiquitous pathogens that cause community-acquired and nosocomial infections at many sites. Third-generation cephalosporins and monobactams are generally the parenteral drugs of choice for the non-beta-lactamase-producing Enterobacteriaceae, with ceftriaxone usually preferred because it is equally effective to the others and can ...
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Enterobacteriaceae are ubiquitous pathogens that cause community-acquired and nosocomial infections at many sites. Third-generation cephalosporins and monobactams are generally the parenteral drugs of choice for the non-beta-lactamase-producing Enterobacteriaceae, with ceftriaxone usually preferred because it is equally effective to the others and can ...
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