Results 21 to 30 of about 1,788,404 (210)

Extensive genomic diversity and selective conservation of virulence determinants in enterohemorrhagic Escherichia coli strains of O157 and non O157 serotypes [PDF]

open access: yes, 2007
Background: Enterohemorrhagic Escherichia coli (EHEC) O157 causes severe food-borne illness in humans. The chromosome of O157 consists of 4.1 Mb backbone sequences shared by benign E.
Nougayrède, Jean-Philippe   +23 more
core   +1 more source

The Composition and Spatial Patterns of Bacterial Virulence Factors and Antibiotic Resistance Genes in 19 Wastewater Treatment Plants.

open access: yesPLoS ONE, 2016
Bacterial pathogenicity and antibiotic resistance are of concern for environmental safety and public health. Accumulating evidence suggests that wastewater treatment plants (WWTPs) are as an important sink and source of pathogens and antibiotic ...
Bing Zhang   +6 more
doaj   +1 more source

High-Throughput Screening and Analysis of Genes of Xanthomonas citri subsp. citri Involved in Citrus Canker Symptom Development

open access: yesMolecular Plant-Microbe Interactions, 2012
Citrus canker is caused by Xanthomonas citri subsp. citri and is one of the most devastating diseases on citrus plants. To investigate the virulence mechanism of this pathogen, a mutant library of strain 306 containing approximately 22,000 mutants was ...
Qing Yan, Nian Wang
doaj   +1 more source

Novel cyclic di-GMP effectors of the YajQ protein family control bacterial virulence [PDF]

open access: yes, 2014
Bis-(3',5') cyclic di-guanylate (cyclic di-GMP) is a key bacterial second messenger that is implicated in the regulation of many critical processes that include motility, biofilm formation and virulence. Cyclic di-GMP influences diverse functions through
Caly, Delphine L.   +32 more
core   +1 more source

Characterization of Pyrenophora teres isolates and mapping of virulence genes [PDF]

open access: yes, 2021
Pyrenophora teres is the causative agent of net blotch of barley and one of the most economically important fungal pathogens affecting the Australian barley industry. The estimated yield losses due to net blotch exceed $300 million annually.
Dahanayaka, Buddhika Amarasinghe
core   +1 more source

Phylogenetic and protein prediction analysis reveals the taxonomically diverse distribution of virulence factors in Bacillus cereus strains.

open access: yesPLoS ONE, 2022
Bacillus cereus is a food contaminant with widely varying enterotoxic potential due to its virulence proteins. In this article, phylogenetic analysis of the amino acid sequences from the whole-genomes of 41 strains, evolutionary distance calculation of ...
Ming Zhang   +3 more
doaj   +1 more source

"Leishmania infantum" : molecular analysis for identification of potential virulence factors and genes of diagnostic use [PDF]

open access: yes, 2004
Leishmania infantum is the causative agents of zoonotic visceral leishmaniasis, a fatal disease if left untreated. In Southern Europe, the number of HIV/Leishmania infantum co-infections is increasing and becomes an emerging concern for the public health.
Niederwieser, Igor
core   +1 more source

Hybrid Resistance and Virulence Plasmids in “High-Risk” Clones of Klebsiella pneumoniae, Including Those Carrying blaNDM-5

open access: yesMicroorganisms, 2019
Virulence plasmids are associated with hypervirulent types of Klebsiella pneumoniae, which generally do not carry antibiotic resistance genes. In contrast, nosocomial isolates are often associated with resistance, but rarely with virulence plasmids. Here,
Jane Turton   +5 more
doaj   +1 more source

Genotypic virulence profiles and associations in Salmonella isolated from meat samples in wet markets and abattoirs of Metro Manila, Philippines

open access: yesBMC Microbiology, 2022
Background Salmonella are pathogenic foodborne bacteria with complex pathogenicity from numerous virulence genes housed in Salmonella pathogenicity islands (SPIs), plasmids, and other gene cassettes.
Rance Derrick N. Pavon   +4 more
doaj   +1 more source

The KdpD/KdpE two-component system : integrating K+ homeostasis and virulence [PDF]

open access: yes, 2013
The two-component system (TCS) KdpD/KdpE, extensively studied for its regulatory role in potassium (K+) transport, has more recently been identified as an adaptive regulator involved in the virulence and intracellular survival of pathogenic bacteria ...
Freeman, Zoë N.   +5 more
core   +1 more source

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