Showing 381 - 400 results of 987 for search '"virulent"', query time: 0.05s Refine Results
  1. 381

    Phytosynthesized Nanoparticles as Novel Antifungal Agent for Sustainable Agriculture: A Mechanistic Approach, Current Advances, and Future Directions by Javeria Parveen, Tahira Sultana, Abeer Kazmi, Khafsa Malik, Abd Ullah, Amir Ali, Bushra Qayyum, Naveed Iqbal Raja, Zia-ur-Rehman Mashwani, Saif Ur Rehman

    Published 2023-01-01
    “…Due to rapidly changing environmental conditions, virulent pathogens have arisen continuously that invades the crops and badly affects their yield and quality of the cash crops which results in economic losses. …”
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    Article
  2. 382

    Comparison of bison and elk susceptibility to experimental challenge with Brucella abortus strain 2308 by S. C. Olsen, P. M. Boggiatto, E. J. Putz

    Published 2025-01-01
    “…IntroductionBrucellosis is endemic in bison and elk in Yellowstone National Park and surrounding areas.MethodsA comparative study was conducted using data from naive (n = 82 and 67, respectively) and Brucella abortus strain RB51 (RB51) vaccinated (n-99 and 29, respectively) bison and elk experimentally challenged with virulent B. abortus strain during pregnancy.ResultsThe incidence of abortion, fetal infection, uterine or mammary infection, or infection in maternal tissues after experimental challenge was greater (p < 0.05) in naïve and vaccinated bison when compared to similar groups in elk. …”
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  3. 383

    Helicobacter pylori Pathogenicity Factors Related to Gastric Cancer by Kianoosh Dadashzadeh, Maikel P. Peppelenbosch, Akyala Ishaku Adamu

    Published 2017-01-01
    “…Our results show an elevated prevalence of infection with H. pylori strains carrying known virulence genotypes with high genetic diversity. This highlights the importance of identifying gene variants for an early detection of virulent genotypes.…”
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  4. 384

    Non-albicans Candida Infection: An Emerging Threat by Sachin C. Deorukhkar, Santosh Saini, Stephen Mathew

    Published 2014-01-01
    “…Fungi once considered as nonpathogenic or less virulent are now recognized as a primary cause of morbidity and mortality in immunocompromised and severely ill patients. …”
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  5. 385

    Traffic Control of Bacteria-Derived Molecules: A New System of Host-Bacterial Crosstalk by Hiroaki Konishi, Mikihiro Fujiya, Yutaka Kohgo

    Published 2013-01-01
    “…Virulent microorganisms, such as pathogenic bacteria and viruses, are recognized by pattern recognition receptors (PRRs), including toll-like receptors (TLRs) and nucleotide-binding oligomerization-domain proteins (NODs), and induce inflammatory responses in mammalian hosts. …”
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  6. 386

    Co-Infection of <i>Culex tarsalis</i> Mosquitoes with Rift Valley Fever Phlebovirus Strains Results in Efficient Viral Reassortment by Emma K. Harris, Velmurugan Balaraman, Cassidy C. Keating, Chester McDowell, J. Brian Kimble, Alina De La Mota-Peynado, Erin M. Borland, Barbara Graham, William C. Wilson, Juergen A. Richt, Rebekah C. Kading, Natasha N. Gaudreault

    Published 2025-01-01
    “…Cells derived from <i>Cx. tarsalis</i> or adult mosquitoes were co-infected with either two virulent (Kenya-128B-15 and SA01-1322) or a virulent and attenuated (Kenya-128B-15 and MP-12) strain of RVFV. …”
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  7. 387

    Diaporthaceae associated with root and crown rot of maize by S.C. Lamprecht, P.W. Crous, J.Z. Groenewald, Y.T. Tewoldemedhin, W.F.O. Marasas

    Published 2011-06-01
    “…Based on these results, P. ambiguum was shown to be a primary pathogen of maize, but to be less virulent than the positive control, S. maydis. Furthermore, to clarify the higher-level phylogeny of these fungal genera, isolates were subjected to DNA sequencing of the nuclear ribosomal DNA (ITS & LSU). …”
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  8. 388

    Herpes Simplex Virus-2 Glycoprotein Interaction with HVEM Influences Virus-Specific Recall Cellular Responses at the Mucosa by Sarah J. Kopp, Christopher S. Storti, William J. Muller

    Published 2012-01-01
    “…Mice were primed with attenuated HSV-2 expressing wild-type gD or mutant gD unable to engage HVEM and challenged 32 days later with virulent HSV-2 expressing wild-type gD. HSV-specific CD8+ T cells were decreased at the genital mucosa during the recall response after priming with virus unable to engage HVEM but did not differ in draining lymph nodes. …”
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  9. 389

    Nucleotide-Binding Oligomerization Domain-1 and -2 Play No Role in Controlling Brucella abortus Infection in Mice by Fernanda S. Oliveira, Natalia B. Carvalho, Dario S. Zamboni, Sergio C. Oliveira

    Published 2012-01-01
    “…However, NOD1, NOD2, and Rip2 knockout mice were no more susceptible to infection with virulent B. abortus than wild-type mice. Additionally, spleen cells from NOD1-, NOD2-, and Rip2-deficient mice showed unaltered production of IFN-γ compared to C57BL/6 mice. …”
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  10. 390
  11. 391

    STAPHYLOCOCCAL INFECTION IN DOGS (DIAGNOSIS, TREATMENT AND PREVENTION) by V. B. Rudenko, P. A. Rudenko, S. G. Semushina, I. A. Pakhomova

    Published 2018-04-01
    “…Staphylococcal infection in dogs is an infectious disease caused primarily by staphylococcus virulent strains, characterized by various clinical forms, and it affects the dogs having defects in their immune system. …”
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  12. 392

    Prevalence of Multidrug-Resistant Listeria monocytogenes in Dairy Products with Reduction Trials Using Rosmarinic Acid, Ascorbic Acid, Clove, and Thyme Essential Oils by Mahmoud Elafify, Mohamed Tharwat Elabbasy, Rasha Samir Mohamed, Esraa A. Mohamed, Walaa Fathy Saad Eldin, Wageh Sobhy Darwish, Essam Hassan Eldrehmy, Radwa Reda Shata

    Published 2022-01-01
    “…Molecular analysis revealed that 86.67% of L. monocytogenes harbored hylA virulent gene. Use of rosmarinic acid, ascorbic acid, thyme, and clove essential oils significantly (P<0.05) reduced L. monocytogenes growth in soft cheese—artificially contaminated with L. monocytogenes throughout a 4-week incubation period. …”
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  13. 393

    Effectiveness and Cost-Benefit of an Influenza Vaccination Program for Health Care Workers by Annalee Yassi, Joel Kettner, Greg Hammond, Mary Cheang, Myrna McGill

    Published 1991-01-01
    “…Absenteeism among high risk hospital workers was increased by 35% (P=0.001) during the virulent influenza epidemic of 1987–88. Benefits, measured as the value of sick time avoided, compared with costs, including materials, occupational nursing staff time, employee time during vaccination, and time lost due to adverse reactions, revealed a net benefit of $39.23 per vaccinated employee. …”
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  14. 394

    Effect of innate and induced immunity on infectious bursal disease pathogenesis by A. N. Semina

    Published 2023-09-01
    “…Infection with highly virulent virus strain or chicks’ infection at early age after recovery or subclinical infection results in immunosuppression with more severe consequences. …”
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  15. 395

    IMMUNOPROPHYLAXIS OF CANINE PARVOVIRAL ENTERITIS by A. V. Shatalov, S. P. Dannikov, A. N. Kononov, V. S. Skripkin

    Published 2019-01-01
    “…Contemporary vaccines based on NL-35-D CPV-2 strain confer the full protection from other virulent strains of canine parvovirus type 2.…”
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  16. 396

    The Symptom and Genetic Diversity of Cassava Brown Streak Viruses Infecting Cassava in East Africa by I. U. Mohammed, M. M. Abarshi, B. Muli, R. J. Hillocks, M. N. Maruthi

    Published 2012-01-01
    “…These results were further confirmed by the mechanical inoculation of 13 herbaceous hosts in which the virulent isolates caused plant death in Nicotiana clevelandii and N. benthamiana whereas the milder isolates did not. …”
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  17. 397

    Development of colorimetric and fluorescent closed tube LAMP assay using simplified extraction for diagnosis of Meloidogyne enterolobii in root tissues by Arunee Suwanngam, Philipp H. Schiffer, Anongnuch Sasnarukkit, Suradej Siripattanapipong, Kansiree Jindapunnapat, Buncha Chinnasri, Toon Ruang-areerate

    Published 2025-01-01
    “…Abstract Meloidogyne enterolobii, a guava root-knot nematode, is a highly virulent pest in tropical and subtropical regions causing galls or knots in roots of diverse plant species posing a serious threat to agriculture. …”
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  18. 398

    Progress in Oral Vaccination against Tuberculosis in Its Main Wildlife Reservoir in Iberia, the Eurasian Wild Boar by Beatriz Beltrán-Beck, Cristina Ballesteros, Joaquín Vicente, José de la Fuente, Christian Gortázar

    Published 2012-01-01
    “…Oral vaccination with BCG in captive wild boar has shown to be safe with significant levels of protection against challenge with virulent M. bovis. An oral vaccination with a new heat-killed M. bovis vaccine conferred a protection similar to BCG. …”
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  19. 399

    Generality of toxins in defensive symbiosis: Ribosome-inactivating proteins and defense against parasitic wasps in Drosophila. by Matthew J Ballinger, Steve J Perlman

    Published 2017-07-01
    “…Recent work implicated a ribosome-inactivating protein (RIP) encoded by Spiroplasma, and related to Shiga-like toxins in enterohemorrhagic Escherichia coli, in defense against a virulent parasitic nematode in the woodland fly, Drosophila neotestacea. …”
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  20. 400

    Isolation and Characterization of 89K Pathogenicity Island-Positive ST-7 Strains of Streptococcus suis Serotype 2 from Healthy Pigs, Northeast China by Shujie Wang, Peng Liu, Chunyu Li, Yafang Tan, Xuehui Cai, Dongsheng Zhou, Yongqiang Jiang

    Published 2012-01-01
    “…Data presented here showed that the virulent serotypes 1, 2, 7, and 9 of S. suis could be steadily isolated from the healthy pigs in the pig farms in all the three provinces of Northeast China. …”
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