Showing 481 - 500 results of 987 for search '"virulence"', query time: 0.08s Refine Results
  1. 481

    Genetic Characteristics and Research Progress of Feline Coronavirus by TAO Lingyun

    Published 2024-12-01
    “…The findings revealed that while their genome structures were fundamentally similar, differences in their ability to efficiently infect monocytes/macrophages significantly influenced their pathogenicity and transmission characteristics, with FIPV exhibiting higher virulence. Moreover, the analysis of the open reading frames (ORF)3/7 as well as the N/S sequences of FIPV indicated that its non-structural proteins were associated with modulation of the host immune system. …”
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  2. 482

    N-Acetylglucosamine Functions in Cell Signaling by James B. Konopka

    Published 2012-01-01
    “…For example, GlcNAc stimulates the human fungal pathogen Candida albicans to undergo changes in morphogenesis and expression of virulence genes. Pathogenic E. coli responds to GlcNAc by altering the expression of fimbriae and CURLI fibers that promote biofilm formation and GlcNAc stimulates soil bacteria to undergo changes in morphogenesis and production of antibiotics. …”
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  3. 483

    When Ribonucleases Come into Play in Pathogens: A Survey of Gram-Positive Bacteria by Brian C. Jester, Pascale Romby, Efthimia Lioliou

    Published 2012-01-01
    “…We will give a current update of what is known about ribonucleases in the model Gram-positive organism Bacillus subtilis and will describe their established roles in virulence in several Gram-positive pathogenic bacteria that are imposing major health concerns worldwide. …”
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  4. 484

    Antimicrobial Activities of Stigmasterol from Piper crocatum In Vitro and In Silico by Seftiana Lestari, Dikdik Kurnia, Tri Mayanti, Leny Heliawati

    Published 2024-01-01
    “…However, the proteins precisely inhibited by stigmasterol compounds have not been identified as target proteins in the mechanism of action of stigmasterol as an oral antimicrobial agent or proteins involved in the virulence system of pathogenic oral microorganisms. …”
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  5. 485

    Streptokinase is dispensable in Streptococcus dysgalactiae subspecies equisimilis infections of human dendritic cells by Katharina E. Folz, Nikolai Siemens

    Published 2025-01-01
    “…Abstract In recent years, increased numbers of severe Streptococcus dysgalactiae subsp. equisimilis (SDSE) infections, including necrotizing soft tissue infections (NSTIs), have been reported. One of the main virulence factors of SDSE is streptokinase (Ska). Ska promotes bacterial spread in the tissue through Ska-plasminogen interactions and subsequent activation of plasminogen to plasmin. …”
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  6. 486

    Antibiotic-associated diarrhea: state-of-the-art by D. V. Piliev, S. I. Achkasov, T. K. Korneva, O. I. Sushkov

    Published 2014-11-01
    “…Mutations resulting in antibiotic resistance, increasing toxin production or promoting sporulation, considerably increase virulence and prevalence of these opportunistic microorganisms.Conclusion. …”
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  7. 487

    African swine fever: one hundred years later by V. V. Makarov

    Published 2022-06-01
    “…In addition to the gaps mentioned in these conclusions and recommendations there are serious gaps in African swine fever immunology, namely in protective immunity mechanisms, virus-macrophage interaction, in vitro virus phenotypic  signs correlating with its virulence, etc. Evidently, it is hardly possible to expect development of anti-ASF vaccines and particularly the vaccines capable of preventing and effectively protecting against ASF epizooty according to the general understanding without addressing these issues.…”
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  8. 488

    Potential use of peptides mimicking CRAC/CARC domains as antivirulence therapies to inhibit RTX toxins activities by Vanesa Herlax

    Published 2024-11-01
    “…These efforts focus on inhibiting the virulence factors bacteria secrete to proliferate. …”
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  9. 489

    Molecular detection of pore-forming leuko toxin in methicillin resistant Staphylococcus aureus isolated from skin infection by Sara A. Al-Ghazal, Huda H. Al-Hassnawi

    Published 2024-01-01
    “…Abstract Background: The ability of Staphylococcus aureus to cause disease has been attributed to an impressive spectrum of virulence factors. Objective: The study investigated molecular detection of pore-forming leuko toxin (Panton–Valentine leucocidin [PVL]) in S. aureus that is resistant to methicillin (MRSA) isolated from skin infections. …”
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  10. 490

    Genome Assembly and Genome Annotation of Leishmania martiniquensis Isolated from a Leishmaniasis Patient in Thailand by Songtham Anuntakarun, Atchara Phumee, Vorthon Sawaswong, Kesmanee Praianantathavorn, Witthaya Poomipak, Rungrat Jitvaropas, Padet Siriyasatien, Sunchai Payungporn

    Published 2022-01-01
    “…The total number of open reading frames genomewide predicts 8,209 protein-coding genes, of which 359 are putative virulence factors, including two previously known, e.g., cysteine proteinase C and superoxide dismutase B1. …”
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  11. 491

    Metabolomic analysis of murine tissues infected with Brucella melitensis. by Bárbara Ponzilacqua-Silva, Alexis S Dadelahi, Charles R Moley, Mostafa F N Abushahba, Jerod A Skyberg

    Published 2025-01-01
    “…Treatment of macrophages with GABA did not alter control of B. melitensis infection, and deletion of the putative GABA transporter BMEI0265 did not alter B. melitensis virulence. While glutaminolysis inhibition did not affect control of B. melitensis in macrophages, glutaminolysis was required for macrophage IL-1β production in response to B. melitensis. …”
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  12. 492

    Salmonella pathogenicity Island 1 undergoes decay in serovars adapted to swine and poultry by Martina Tambassi, Melissa Berni, Chiara Bracchi, Ilaria Menozzi, Alessandra Dodi, Laura Mazzera, Marina Morganti, Erika Scaltriti, Stefano Pongolini

    Published 2025-01-01
    “…On the other side, the study provides scientific background for reconsidering the microbiological criteria adopted by the food safety legislation of many countries that ask for the absence of Salmonella in foods, regardless of any virulence evaluation of the detected strain. In this respect, the study provides molecular bases to investigate the virulence of different lineages within these host-adapted serovars.…”
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  13. 493

    Safety assessment of a novel marine multi-stress-tolerant yeast Meyerozyma guilliermondii GXDK6 according to phenotype and whole genome-sequencing analysis by Xueyan Mo, Mengcheng Zhou, Yanmei Li, Lili Yu, Huashang Bai, Peihong Shen, Xing Zhou, Haojun Zhu, Huijie Sun, Ru Bu, Chengjian Jiang

    Published 2024-07-01
    “…Results showed that the genes and phenotypic expression of related virulence, antibiotic resistance and retroelement were rarely found. …”
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  14. 494

    Shared mechanisms of enhanced plasmid maintenance and antibiotic tolerance mediated by the VapBC toxin:antitoxin system by Sarah Hollingshead, Gareth McVicker, Maria R. Nielsen, YuGeng Zhang, Giulia Pilla, Rebekah A. Jones, Jonathan C. Thomas, Sarah E. H. Johansen, Rachel M. Exley, Ditlev E. Brodersen, Christoph M. Tang

    Published 2025-02-01
    “…Here, we identified a clinical isolate of Shigella sonnei (CS14) with a remarkably stable pINV virulence plasmid; pINV is usually frequently lost from S. sonnei, but plasmid loss was not detected from CS14. …”
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  15. 495

    Leishmania mexicana: Novel Insights of Immune Modulation through Amastigote Exosomes by Laura Enedina Soto-Serna, Mariana Diupotex, Jaime Zamora-Chimal, Adriana Ruiz-Remigio, José Delgado-Domínguez, Rocely Buenaventura Cervantes-Sarabia, Adriana Méndez-Bernal, Alma Reyna Escalona-Montaño, María Magdalena Aguirre-García, Ingeborg Becker

    Published 2020-01-01
    “…The exosomes from Leishmania parasites contain an array of parasite molecules such as virulence factors and survival messengers, capable of modulating the host immune response and thereby favoring the infection of the host. …”
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  16. 496

    The ArcB kinase sensor participates in the phagocyte-mediated stress response in Salmonella Typhimurium by Coral Pardo-Esté, Coral Pardo-Esté, Francisca Urbina, Nicolas Aviles, Nicolas Pacheco, Alan Briones, Carolina Cabezas, Vicente Rojas, Valentina Pavez, Yoelvis Sulbaran-Bracho, Yoelvis Sulbaran-Bracho, Alejandro A. Hidalgo, Juan Castro-Severyn, Juan Castro-Severyn, Claudia P. Saavedra

    Published 2025-02-01
    “…The ArcA transcription factor activates genes related to metabolism, membrane permeability, and virulence, and its presence is required for pathogenicity in Salmonella Typhimurium, which can be phosphorylated independently of its cognate sensor, ArcB. …”
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  17. 497

    Confocal Microscopy for Detection of Intracellular Bacteria in Urine Samples of patients Suspected with Urinary Tract Infection: A Cross-sectional Observational Study by Bhagyashri Patil-Takbhate, Nilam Memane, Srikanth Tripathy, Nageswari Gandham, Shahzad Mirza

    Published 2025-02-01
    “…Urine samples showing intracellular gram-negative bacteria by Gram staining were further processed for fluorescence confocal microscopy followed by conventional culture and virulence detection by multiplex Polymerase Chain Reaction (PCR). …”
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  18. 498

    Subscapular Abscess Caused by Panton-Valentine Leukocidin-Positive Staphylococcus aureus: An Atypical Presentation by Kamal Patel, Emma Spowart, Dana Sochorova, Nadia Diego, Georgios Mamarelis, Mohammad Zain Sohail

    Published 2018-01-01
    “…This strain due to its virulence can lead to fatal infections in otherwise healthy individuals; therefore, a high index of suspicion is needed to investigate with an MRI to rule out abscess formation in a patient with acute shoulder girdle pain and negative joint aspirate. …”
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  19. 499

    Gene Expression during Survival of Escherichia coli O157:H7 in Soil and Water by Ashley D. Duffitt, Robert T. Reber, Andrew Whipple, Christian Chauret

    Published 2011-01-01
    “…Cells incubated in soil microcosms for 14 days expressed genes for antibiotic resistance, biosynthesis, DNA replication and modification, metabolism, phages, transposons, plasmids, pathogenesis and virulence, antibiotic resistance, ribosomal proteins, the stress response, transcription, translation, and transport and binding proteins at significantly higher levels than cells grown in Luria broth. …”
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  20. 500

    Isolation, Identification, and Resistance Test of Escherichia coli to Antibiotics in Ujung Berung Broiler Poultry by Fatia Nasyna Afifa Kantamaryana, Roostita L Balia, Wendry Setiyadi Putranto

    Published 2024-12-01
    “…Escherichia coli is commensal bacteria in the intestinal of broiler chickens with low virulence. However, mostly pathogenic and cause colibacillosis illness. …”
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