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441
Characterization of the Vibrio anguillarum VaRyhB regulon and role in pathogenesis
Published 2025-01-01“…Iron uptake is a prerequisite for virulence and is strictly controlled by a global iron uptake regulator, Fur, which acts as a repressor under iron-replete conditions. …”
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442
Comparison of phenotypic and genetic traits of ESBL-producing UPEC strains causing recurrent or single episode UTI in postmenopausal women
Published 2025-02-01“…This study aims to characterize the virulence expression and intracellular persistence of ESBL-producing uropathogenic E. coli (E-UPEC) strains isolated from postmenopausal women with recurrent or single episode infections. …”
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443
Biochemical, ecological and molecular characterization of Xenorhabdus anantnagensis associated with Steinernema anantnagense from India: evaluating nematode efficacy against Helico...
Published 2025-01-01“…The nematode isolate KP_CU demonstrated high virulence against H. armigera larvae, with complete mortality achieved within 60 h across all tested inoculum levels. …”
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444
A novel broad-spectrum bacteriophage cocktail against methicillin-resistant Staphylococcus aureus: Isolation, characterization, and therapeutic potential in a mastitis mouse model.
Published 2025-01-01“…In silico analyses have confirmed the absence of antimicrobial resistance or virulence factor-encoding genes within their genomes. …”
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445
Helicobacter pylori Oncogenicity: Mechanism, Prevention, and Risk Factors
Published 2020-01-01“…Among these, presence of certain major virulence factors including cytotoxin-associated gene A (CagA), vacuolating cytotoxin (VacA), and outer inflammatory protein A (OipA) plays a significant role in triggering gastric cancer. …”
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446
Examination of the Anaerobic Growth of Campylobacter concisus Strains
Published 2014-01-01“…C. concisus putative virulence proteins were identified using mass spectrometry analysis. …”
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447
Genome analysis and prevalence of SARS-CoV-2 Indonesian variants and the correlation with the outbreak timeline
Published 2024-08-01“…Objective: To identify the genetic mutations associated with the transmission and virulence of SARS-CoV-2 variants in Indonesia and to examine their correlation with the outbreak timeline. …”
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448
Prevalence and Characterization of Staphylococcus aureus Isolated from Meat and Milk in Northeastern Italy
Published 2025-02-01“…Our findings reveal that foodborne isolates of S. aureus present a considerable threat to consumers due to their production of virulence factors, which enhance their pathogenicity and increase the likelihood of antibiotic treatment failures.…”
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449
Temperature Depended Role of Shigella flexneri Invasion Plasmid on the Interaction with Acanthamoeba castellanii
Published 2012-01-01“…Shigella flexneri is a Gram-negative bacterium causing the diarrhoeal disease shigellosis in humans. The virulence genes required for invasion are clustered on a large 220 kb plasmid encoding type three secretion system (TTSS) apparatus and virulence factors such as adhesions and invasion plasmid antigens (Ipa). …”
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450
Deletion of ESX-3 and ESX-4 secretion systems in Mycobacterium abscessus results in highly impaired pathogenicity
Published 2025-02-01“…Abstract Type VII secretion systems participate in protein export, virulence, conjugation, and metabolic regulation. Five subtypes (ESX-1 to ESX-5) exist, each with specific roles and well-characterized secretion profiles in various mycobacterial species. …”
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451
Induced protein expression in Leptospira spp. and its application to CRISPR/Cas9 mutant generation
Published 2025-02-01“…Abstract Expanding the genetic toolkit for Leptospira spp. is a crucial step toward advancing our understanding of the biology and virulence of these atypical bacteria. Pathogenic Leptospira are responsible for over 1 million human leptospirosis cases annually and significantly impact domestic animals. …”
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452
Acinetobacter baumannii represses type VI secretion system through a manganese-dependent small RNA-mediated regulation
Published 2025-02-01“…Furthermore, the derivatives of pAB3 found in recent clinical isolates of A. baumannii harbor expanded antibiotic resistance genes and multiple determinants for virulence factors. Hence, the loss of this plasmid for T6SS activity renders A. baumannii T6+ cells susceptible to antibiotics and compromises their virulence. …”
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453
Gcn2 rescues reprogramming in the absence of Hog1/p38 signaling in C. neoformans during thermal stress
Published 2025-02-01“…Thus, there is a critical need to identify additional targets that play a role in the adaptation to the human host and virulence. This study explores the role of the stress response kinases Hog1 and Gcn2 in thermoadaptation, which is a pre-requisite for virulence. …”
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454
Antibiotic Resistance and Molecular Epidemiological Characteristics of Streptococcus agalactiae Isolated from Pregnant Women in Guangzhou, South China
Published 2020-01-01“…Detection of resistance genes, serotyping, and determination of virulence genes were performed by polymerase chain reaction. …”
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455
Lack of Outer Membrane Protein A Enhances the Release of Outer Membrane Vesicles and Survival of Vibrio cholerae and Suppresses Viability of Acanthamoeba castellanii
Published 2014-01-01“…It has been shown that V. cholerae expresses outer membrane proteins as virulence factors playing a role in the adherence to interacted host cells. …”
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456
Influence of Dietary Factors on Helicobacter pylori and CagA Seroprevalence in Bulgaria
Published 2017-01-01“…The aim of this study was to assess the association between some dietary factors and prevalence of H. pylori infection or strain virulence in 294 adult asymptomatic blood donors. Methods. …”
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457
An Improved Sporulation Method for Producing Asexual Zoospores of Pythium aphanidermatum on Culture Medium
Published 2025-02-01“…These findings suggest that our sporulation method can help obtain adequate zoospores for various basic and applied studies, including pathogen identification, virulence assessment, resistance resource screening, and control strategy development.…”
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458
Comparative Genomic Analysis of Lactobacillus plantarum: An Overview
Published 2019-01-01“…We did not identify any virulence factors and antibiotic resistance genes on the genomes. …”
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459
Communication in Fungi
Published 2012-01-01“…We will discuss fungal communication in the context of fundamental biological functions including mating, growth, morphogenesis, and the regulation of fungal virulence determinants. We will address intraspecies but also interkingdom signaling by systematically discussing the sender of the message, the molecular message, and receiver. …”
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460
A historical perspective on the multifunctional outer membrane channel protein TolC in Escherichia coli
Published 2025-01-01“…Abstract Since its discovery nearly 60 years ago, TolC has been associated with various cellular functions in Escherichia coli, including the efflux of environmental stressors and virulence factors. It also acts as a receptor for specific bacteriophages and the colicin E1 toxin. …”
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