Showing 901 - 920 results of 987 for search '"virulent"', query time: 0.08s Refine Results
  1. 901

    Genomic changes during the evolution of the Coxiella genus along the parasitism-mutualism continuum by Santos-Garcia, Diego, Morel, Olivier, Henri, Hélène, El Filali, Adil, Buysse, Marie, Noël, Valérie, McCoy, Karen D., Gottlieb, Yuval, Klasson, Lisa, Zenner, Lionel, Duron, Olivier, Vavre, Fabrice

    Published 2023-05-01
    “…Results highlight the probably parasitic nature of the common ancestor of the Coxiellaceae. Indeed, the virulence factor Dot/Icm T4 Secretion System is present in most, but not all, Coxiellaceae. …”
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  2. 902

    Antimicrobial and anti-quorum sensing activities of giant fennel (ferula elaeochytris korovin) from the hatay region by Enis Fuat Tüfekci, Anfal Alkateeb, Sarah Akar, Orhan Çorum, Yasemin Çelik Altunoğlu, Mehmet Cengiz Baloğlu, Muammer Kiraz, Nilay Çöplü

    Published 2020-10-01
    “…Because the QS system performs a crucial part in the synthesis of virulence factors in bacteria. Numerous medicinal plants are known to have promising antimicrobial and anti-QS activities. …”
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    Article
  3. 903

    Difference in Antibody Responses to Mycobacterium tuberculosis Antigens in Japanese Tuberculosis Patients Infected with the Beijing/Non-Beijing Genotype by Jingge Zhao, Beata Shiratori, Masao Okumura, Hideki Yanai, Makoto Matsumoto, Chie Nakajima, Kazue Mizuno, Kenji Ono, Tetsuya Oda, Haorile Chagan-Yasutan, Yugo Ashino, Takashi Matsuba, Takashi Yoshiyama, Yasuhiko Suzuki, Toshio Hattori

    Published 2017-01-01
    “…The Beijing genotype Mycobacterium tuberculosis (MTB), notorious for its virulence and predisposition to relapse, could be identified by spoligotyping based on genetic heterogeneity. …”
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    Article
  4. 904

    A broad spectrum Shigella vaccine based on VirG53 – 353 multiepitope region produced in a cell-free system by Girmay Desalegn, Charlotte Abrahamson, K. Ross Turbyfill, Lucy Pill-Pepe, Leslie Bautista, Chitradevi S. Tamilselvi, Dylan Dunn, Neeraj Kapoor, Barbara Sullinger, Matheo Herrera, Edwin V. Oaks, Jeff Fairman, Marcela F. Pasetti

    Published 2025-01-01
    “…We previously reported the broad protective capacity of VirGα, a conserved surface-exposed domain of Shigella virulence factor. Seeking to refine the vaccine antigenic target and achieve scalable manufacturing compatible with Good Manufacturing Practices, we mapped linear B-cell epitopes spanning the entire VirG protein sequence by probing the immune reactivity of 10-mer peptides (overlapping 4–8 aa) with sera from Shigella-infected rhesus monkeys. …”
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  5. 905

    Identification and prioritization of novel therapeutic candidates against glutamate racemase from Klebsiella pneumoniae. by Ankit Kumar, Farah Anjum, Md Imtaiyaz Hassan, Anas Shamsi, Rashmi Prabha Singh

    Published 2025-01-01
    “…The bacterium possesses a thick polysaccharide capsule and fimbriae, which contribute to its virulence, resistance to phagocytosis, and attachment to host cells. …”
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    Article
  6. 906

    Molecular Epidemiology of Escherichia coli Resistant to Carbapenems, Fluoroquinolones, and Aminoglycosides Isolated from One of the Largest Hospitals in Vietnam in 2014–2019 by Tohru Miyoshi-Akiyama, Do Van Thanh, Truong Thai Phuong, Nguyen Quang Huy, Pham Thi Phuong Thuy, Teruo Kirikae, Pham Hong Nhung, Norio Ohmagari

    Published 2024-01-01
    “…Sixty-seven Vietnamese isolates screened by drug resistance by the disk test were subjected to WGS, and their sequences were analyzed to determine their multilocus sequence type (MLST), O-types, H-types, distribution of drug resistance genes, plasmid types, pathogenicity islands (PIs), virulence factor distribution, and phylogenetic evolution using the WGS data. …”
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    Article
  7. 907

    Complete genome sequencing and probiotic characterization of promising lactic acid bacterial strains isolated from dairy products in Egyptian markets by Mostafa F. El-Hosseny, Mohamed G Seadawy, Mohammed O Abdel-Monem, Mervat G Hassan

    Published 2025-02-01
    “…The genomes were characterized for the physiology, safety, and efficacy of these isolates for probiotic qualities plus the presence of mobile genetic components and prophages that influence the genome's flexibility. They lack virulence factors and pathogenicity, rather than the lack of antibiotic resistance genes. …”
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  8. 908

    Protease shaving of Mycobacterium tuberculosis facilitates vaccine antigen discovery and delivery of novel cargoes to the Mtb surface by Bianca A. Lepe, Christine R. Zheng, Owen K. Leddy, Benjamin L. Allsup, Sydney L. Solomon, Bryan D. Bryson

    Published 2025-02-01
    “…A better understanding of this interface would facilitate the discovery of new vaccine targets, new virulence proteins, and enable new technologies that modify the bacterial surface. …”
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    Article
  9. 909

    Antibiofilm and Anti-Quorum Sensing Potential of Safely-Synthesized Hydrated Zirconium Oxide-Coated Alginate Beads against Some Pathogenic Bacteria by Alfred Ngenge Tamfu, Yasemin Ispirli Dogaç, Ozgur Ceylan, Andreea Botezatu Dediu, Selahattin Bozkurt, Rodica Mihaela Dinica

    Published 2023-01-01
    “…At MIC and sub-MIC concentrations, the synthesized beads inhibited the production of violacein in C. violaceum CV12472 and C. violaceum CV026, indicating that they can reduce QS-mediated virulence factors in bacteria. Antimicrobial activity was evaluated against Staphylococcus aureus, Enterococcus faecalis, Listeria monocytogenes, Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi, Candida albicans, and Candida tropicalis, and MIC values ranged from 1.25 mg/mL to 10 mg/mL. …”
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  10. 910

    Plasmodium falciparum Merozoite Surface Proteins Polymorphisms and Treatment Outcomes among Patients with Uncomplicated Malaria in Mwanza, Tanzania by Karol J. Marwa, Eric Lyimo, Eveline T. Konje, Anthony Kapesa, Erasmus Kamugisha, Göte Swedberg

    Published 2022-01-01
    “…Merozoite surface protein (msp) diversity determines transmission dynamics, P. falciparum immunity evasion, and pathogenesis or virulence. There is limited updated information on P. falciparum msp polymorphisms and their impact on artemether-lumefantrine treatment outcomes in Tanzania. …”
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    Article
  11. 911

    Avirulence depletion assay: Combining R gene-mediated selection with bulk sequencing for rapid avirulence gene identification in wheat powdery mildew. by Lukas Kunz, Jigisha Jigisha, Fabrizio Menardo, Alexandros G Sotiropoulos, Helen Zbinden, Shenghao Zou, Dingzhong Tang, Ralph Hückelhoven, Beat Keller, Marion C Müller

    Published 2025-01-01
    “…Finally, we show that virulence towards Pm60 is caused by simultaneous deletion of all AvrPm60 gene paralogs and that isolates lacking AvrPm60 are especially prevalent in the US thereby limiting the potential of Pm60 in this region. …”
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  12. 912

    Cell-associated flagella enhance the protection conferred by mucosally-administered attenuated Salmonella Paratyphi A vaccines. by Orit Gat, James E Galen, Sharon Tennant, Raphael Simon, William C Blackwelder, David J Silverman, Marcela F Pasetti, Myron M Levine

    Published 2011-11-01
    “…Further chromosomal deletions in fliD (CVD 1901D) or flgK (CVD 1901K) were then engineered, resulting in the export of unpolymerized FliC, without impairing its overall expression. The virulence of the resulting isogenic strains was examined using a novel mouse LD(50) model to accommodate the human-host restricted S. …”
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  13. 913

    Revealing the diversity of Fusarium micromycetes in agroecosystems of the North Caucasus plains for replenishing the State Collection of Phytopathogenic Microorganisms of the All-R... by N. S. Zhemchuzhina, M. I. Kiseleva, T. M. Kolomiets, I. B. Ablova, A. P. Glinushkin, S. A. Elizarova

    Published 2022-01-01
    “…In order to prevent crop yield losses from the most dangerous and economically important pathogenic organisms, it is necessary not only to monitor the virulence gene pool, but also to study the nature of pathogen variability and determine the potential for the emergence of new genes and races. …”
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  14. 914

    Immunizing adult female mice with a TcpA-A2-CTB chimera provides a high level of protection for their pups in the infant mouse model of cholera. by Gregory A Price, Randall K Holmes

    Published 2014-12-01
    “…Vibrio cholerae expresses two primary virulence factors, cholera toxin (CT) and the toxin-coregulated pilus (TCP). …”
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  15. 915

    Isolation and Antifungal Susceptibility of Candida spp. from Pediatric Patients in Kurdistan of Iraq by Mohammed Salah Bahi, Khattab Ahmed Mustafa Shekhany

    Published 2023-06-01
    “…Candida species are considered the most common opportunistic human fungal pathogen due to the presence of various virulence factors, including its ability to form a biofilm that aids in oral candidiasis. …”
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  16. 916

    Screening and Whole-Genome Sequencing Analysis of Fructofuranose-Metabolizing Lactiplantibacillus plantarum 19M03 by SUN Daqing, QI He, DI Ziqing, GE Xianglin, HONG Qingping, DU Xinrui, YAO Yuxi, LI Hongfei

    Published 2024-12-01
    “…In addition, resistance and virulence gene analyses demonstrated that 19M03 had a good safety profile. …”
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  17. 917

    Deletion of pagL and arnT genes involved in LPS structure and charge modulation in the Salmonella genome confer reduced endotoxicity and retained efficient protection against wild-... by Ram Prasad Aganja, Jun Kwon, Amal Senevirathne, John Hwa Lee

    Published 2025-01-01
    “…However, existing vaccines, like the SG9R strain, have limitations, including residual virulence and potential reversion of pathogenicity. …”
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  18. 918

    Resistance to causal agents of late blight and golden potato nematode of the modern cultivars of seed potatoes and their phytosanitary status in various agroclimatic zones of the E... by A. V. Khiutti, D. A. Rybakov, T. A. Gavrilenko, O. S. Afanasenko

    Published 2020-07-01
    “…The resistance of 41 foreign cultivars was evaluated to pathotype Ro1 G. rostochiensis and to isolate VZR17 P. infestans with virulence genes 1.2.3.4.5.6.7.8.9.10.11. Resistant to G. rostochiensis were 38 cultivars. 57R marker of the H1 gene conferring resistance to the Ro1 pathotype of G. rostochiensis was detected in 96.6 % of the nematode resistant cultivars studied; susceptible varieties did not possess this marker. …”
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  19. 919

    In silico design of an epitope-based vaccine ensemble for fasliolopsiasis by Ruchishree Konhar, Ruchishree Konhar, Kanhu Charan Das, Kanhu Charan Das, Aiboklang Nongrum, Rohan Raj Samal, Shailesh Kumar Sarangi, Devendra Kumar Biswal, Devendra Kumar Biswal

    Published 2025-01-01
    “…The creation of large omics datasets for F. buski by our group has accelerated the discovery of key molecules involved in intestinal fluke biology, toxicity, and virulence that can be targeted for vaccine development. …”
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  20. 920

    Biofilm Formation by Staphylococcus aureus Isolated from Food Contact Surfaces in the Dairy Industry of Jalisco, Mexico by María-Guadalupe Avila-Novoa, Maricarmen Iñíguez-Moreno, Oscar-Alberto Solís-Velázquez, Jean-Pierre González-Gómez, Pedro-Javier Guerrero-Medina, Melesio Gutiérrez-Lomelí

    Published 2018-01-01
    “…A part of the ability of biofilm production and the determination of the presence of virulence determinants in the genome of S. aureus can contribute to the pathogenicity of strains. …”
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