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The virulence plasmids of Salmonella.
International microbiology : the official journal of the Spanish Society for Microbiology, 2000Certain Salmonella serovars belonging to subspecies I carry a large, low-copy-number plasmid that contains virulence genes. Virulence plasmids are required to trigger systemic disease; their involvement in the enteric stage of the infection is unclear.
R, Rotger, J, Casadesús
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Molecular analysis of spv virulence genes of the salmonella virulence plasmids
Molecular Microbiology, 1993SummaryGenes on an 8 kb region common to the virulence plasmids of several serovars of Salmonella are sufficient to replace the entire plasmid in enabling systemic infection in animal models. This virulence region encompasses five genes which previously have been designated with different names from each investigating laboratory.
P A, Gulig +5 more
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Salmonella typhimurium Bacteremia: Association with the Virulence Plasmid
Journal of Infectious Diseases, 1992Virulence plasmids, which are found in a small number of Salmonella serotypes, greatly enhance the extraintestinal growth of salmonellae and lower the LD50 by 2-5 logs in experimental murine infections. To determine if virulence plasmids are important in the pathogenesis of Salmonella bacteremia in humans, blood and fecal isolates of Salmonella ...
J, Fierer +3 more
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The Salmonella Typhimurium Virulence Plasmid
1991Salmonellosis is a good example of an infectious disease in which intracellular growth is an essential step; Salmonellae undergo a major multiplication step within host tissue macrophages. Many different serovars of Salmonella cause extraintestinal infections in man and mouse, yet the course of the infection is similar, if not identical.
Mikael Rhen +4 more
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A conjugative plasmid that augments virulence in Klebsiella pneumoniae
Nature Microbiology, 2019A virulence-encoding plasmid, p15WZ-82_Vir, which formed as a result of the integration of a 100-kb fragment of the hypervirulence plasmid pLVPK into a conjugative IncFIB plasmid, was recovered from a clinical Klebsiella variicola strain. Such a plasmid could be conjugated to carbapenem-resistant Klebsiella strains, enabling them to simultaneously ...
Xuemei Yang +3 more
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Plasmids and the Virulence of Enteric and Other Bacterial Pathogens
Annals of Internal Medicine, 1984Excerpt Bacterial plasmids are extrachromosomal, circular, double-stranded DNA, genetic accessory elements that have been found to encode many important properties in more than 50 different bacteri...
D J, Kopecko, S B, Formal
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Plasmid Encoded Virulence of Yersinia
1991The three virulent members of the genus Yersinia harbour related virulence Plasmids with a molecular weight of about 60-70 kb (11). When exponential phase cultures of these organisms growing in a Ca2+ free medium are shifted from 26C to 37C, growth ceases over a period of about 2 generations (10).
H. Wolf-Watz +8 more
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[The "side-effects" of plasmids (R-plasmids and virulence)].
Molekuliarnaia genetika, mikrobiologiia i virusologiia, 1987Many plasmids affect the host cells. Their effects cannot be explained only by the expression of the well-known genes coding for antibioticresistance, bacteriocinogeny and hemolysis or the analogous genes (side-effects). The side effects are not characteristic of all plasmids operating under similar conditions.
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2014
This chapter discusses the genome-scale analysis of virulence plasmids: the contribution of plasmid-borne virulence genes to enterobacterial pathogenesis. The spectrum of diseases caused by Escherichia coli and other enteric bacteria is due to the acquisition of a variety of specific virulence genes harbored on plasmids, on bacteriophages, or within ...
Malabi M. Venkatesan, Valerie Burland
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This chapter discusses the genome-scale analysis of virulence plasmids: the contribution of plasmid-borne virulence genes to enterobacterial pathogenesis. The spectrum of diseases caused by Escherichia coli and other enteric bacteria is due to the acquisition of a variety of specific virulence genes harbored on plasmids, on bacteriophages, or within ...
Malabi M. Venkatesan, Valerie Burland
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