Results 41 to 50 of about 13,031,687 (355)

The expression of virulence genes increases membrane permeability and sensitivity to envelope stress in Salmonella Typhimurium.

open access: yesPLoS Biology, 2022
Virulence gene expression can represent a substantial fitness cost to pathogenic bacteria. In the model entero-pathogen Salmonella Typhimurium (S.Tm), such cost favors emergence of attenuated variants during infections that harbor mutations in ...
Malgorzata Sobota   +12 more
doaj   +1 more source

Bacterial hemolysins as virulence factors [PDF]

open access: yesAntonie van Leeuwenhoek, 1988
No abstract ...
Goebel, Werner   +2 more
openaire   +3 more sources

Virulence factors, prevalence and potential transmission of extraintestinal pathogenic Escherichia coli isolated from different sources: recent reports

open access: yesGut Pathogens, 2019
Extraintestinal pathogenic E. coli (ExPEC) are facultative pathogens that are part of the normal human intestinal flora. The ExPEC group includes uropathogenic E. coli (UPEC), neonatal meningitis E. coli (NMEC), sepsis-associated E.
J. Sarowska   +6 more
semanticscholar   +1 more source

Virulence Factors of Helicobacter pylori

open access: yesCanadian Journal of Gastroenterology, 1991
Much attention has recently been focused on Helicobacter pylori (formerly Campylobacter pylori). It is strongly implicated as the causative agent in chronic gastritis, and may be involved in gastric and duodenal ulcers, although the latter has not been ...
Paul Sinclair
doaj   +1 more source

Virulence Factors Detection in Aspergillus Isolates from Clinical and Environmental Samples [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Pathogenesis of aspergillosis is dependent on various factors of the host (immune status) and virulence factors of the pathogen which could play a significant role in the pathogenesis of invasive aspergillosis.
Raksha, Gurjeet Singh, A.D. Urhekar
doaj   +1 more source

Escherichia coli virulence factors [PDF]

open access: yesVeterinary Immunology and Immunopathology, 2011
Escherichia coli was described in 1885 by a German pediatrician, Theodor Escherich, in the faeces of a child suffering diarrhoea. In 1893, a Danish veterinarian postulated that the E. coli species comprises different strains, some being pathogens, others not. Today the E.
openaire   +2 more sources

Pathogenicity and virulence of Cryptococcus neoformans from an environmental perspective

open access: yesVirulence
In the past half century Cryptococcus neoformans emerged as a major human pathogen leading the World Health Organization to place it among its top four critical priority group. C.
Arturo Casadevall
doaj   +1 more source

Virulence Factors of A Review

open access: yesClinical Medicine Insights: Gastroenterology, 2014
Helicobacter pylori is a spiral-shaped Gram-negative bacterium that colonizes the human stomach and can establish a long-term infection of the gastric mucosa, a condition that affects the relative risk of developing various clinical disorders of the ...
Bruna M. Roesler   +2 more
doaj   +1 more source

Comparison of the antimicrobial and antivirulence activities of Sidr and Tualang honeys with Manuka honey against Staphylococcus aureus

open access: yesIranian Journal of Microbiology, 2023
Background and Objectives: Honey is one of the oldest traditional remedies that has been widely utilized to cure a variety of human ailments. The objective of this research was to test and compare the antibacterial activity of Sidr honey (SH) and ...
Mohammad A. Al-Kafaween   +2 more
doaj   +1 more source

H. pylori virulence factors [PDF]

open access: yesBritish Medical Bulletin, 1998
Among people infected with Helicobacter pylori, the virulence of the infecting strain is a major determinant of who develops disease. Strains producing vacuolating cytotoxin activity are more commonly isolated from people with peptic ulcers than without.
openaire   +2 more sources

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