Showing 701 - 720 results of 777 for search '"virulent"', query time: 0.05s Refine Results
  1. 701

    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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  2. 702

    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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  3. 703

    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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  4. 704

    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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    Article
  5. 705

    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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  6. 706

    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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    Article
  7. 707

    A model of the artificial metastasis of human epidermoid carcinoma A431 in nude mice for examination of the oncolytic activity of vaccinia virus by G. V. Kochneva, A. A. Grazhdantseva, G. F. Sivolobova, A. V. Tkacheva, A. N. Shvalov, A. Yu. Unusova, E. I. Ryabchikova, S. V. Netesov

    Published 2015-12-01
    “…We used the attenuated recombinant vaccinia virus (VACV) VVdGF-GFP2 of the L-IVP strain (GenBank accession number KP233807), with deletion of two virulence genes: the virus growth factor and thymidine kinase, with the gene for the green fluorescent protein (GFP2) inserted in an area of the latter. …”
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  8. 708

    High hemolytic activity in Staphylococcus aureus t1081/ST45 due to increased hla protein production and potential RNAIII-independent regulation by Yu-Tzu Lin, Ngoc-Niem Bui, Yu-Syuan Cheng, Cheng-Wen Lin, Chun-Li Lee, Tai-Fen Lee, Po-Ren Hsueh

    Published 2025-02-01
    “…Background: α-Hemolysin, encoded by hla, is a major virulence factor of Staphylococcus aureus. Sequence type (ST) 45 is a globally spread clone with increasing clinical prevalence in Taiwan. …”
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  9. 709

    TRPV4 modulates inflammatory responses and apoptosis in enteric glial cells triggered by Clostridioides difficile toxins A and B by Dvison de Melo Pacífico, Deiziane Viana da Silva Costa, Maria Lucianny Lima Barbosa, Conceição Silva Martins Rebouças, Simone de Goes Simonato, Cirle Alcantara Warren, Maria Luana Gaudencio dos Santos Morais, Renata Ferreira de Carvalho Leitao, Gerly Anne de Castro Brito

    Published 2025-01-01
    “…Abstract Clostridioides difficile, a spore-forming anaerobic bacterium, is the primary cause of hospital antibiotic-associated diarrhea. Key virulence factors, toxins A (TcdA) and B (TcdB), significantly contribute to C. difficile infection (CDI). …”
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  10. 710

    Molecular Characterization of a Multidrug-Resistant Klebsiella pneumoniae Strain R46 Isolated from a Rabbit by Fei Wu, Yuanyuan Ying, Min Yin, Yi Jiang, Chongyang Wu, Changrui Qian, Qianqian Chen, Kai Shen, Cong Cheng, Licheng Zhu, Kewei Li, Teng Xu, Qiyu Bao, Junwan Lu

    Published 2019-01-01
    “…The whole genome encoded 34 antibiotic resistance genes including a newly identified chromosome-encoded florfenicol resistance gene named mdfA2. pR46-270, besides encoding 26 antibiotic resistance genes, carried four clusters of heavy metal resistance genes and several virulence-related genes or gene clusters. The plasmid-encoded resistance genes were mostly associated with mobile genetic elements. …”
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  11. 711

    A comprehensive analysis of the effect of quorum-sensing molecule 3-oxo-C12-homoserine lactone on Candida auris and Candida albicans by Fruzsina Kovács, Ágnes Jakab, Noémi Balla, Zoltán Tóth, Dávid Balázsi, Lajos Forgács, Andrea Harmath, Aliz Bozó, Ágota Ragyák, László Majoros, Renátó Kovács

    Published 2025-06-01
    “…Moreover, HSL reduced intracellular iron and zinc levels (p < 0.05-0.001); furthermore, it modulated C. auris metabolism toward beta-oxidation, which may be associated with the observed reduction in in vivo virulence at lower HSL concentrations compared with C. albicans. …”
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  12. 712

    Analysis of the genome data of Acinetobacter baumannii UOL-KIMZ-24, exhibiting multiple drug resistance through efflux pumpsGenebANK/NCBI. by Kiran Fatima, Syed Zeeshan Haider Naqvi, Hazrat Ali, Noor Hassan, Anam Saqib, Farheen Ansari, Sidrah Saleem, Shah Jahan, Mushtaq Ahmad

    Published 2025-02-01
    “…In addition, sequence typing (ST) study showed that UOL-KIMZ-24 strain lies in ST2, six prophage sequences and 73 virulence factors were also identified in the studied UOL-KIMZ-24. …”
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  13. 713

    Effects of Polystyrene Microplastic Exposure on Liver Cell Damage, Oxidative Stress, and Gene Expression in Juvenile Crucian Carp (<i>Carassius auratus</i>) by Xiangtong Li, Yuequn Huang, Wenrong Li, Chaoyang Deng, Weiyuan Cao, Yi Yao

    Published 2025-01-01
    “…These four components demonstrated a relatively high level of responsiveness to PS-MP exposure and can be employed as ecotoxicological indicators of microplastics. (3) This experiment evaluated five genes in three treatments, which found that PS-MPs had different effects on gene expression in the liver and the tested genes were involved in different response pathways associated with virulence. In this study, the toxicity of PS-MPs to crucian carp was determined at the cellular, protein, and mRNA expression levels, and combined with principal component analysis and correlation analysis to identify response sensitivity indicators that provide a scientific basis for ecological risk assessment and the safe use of microplastics.…”
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  14. 714

    Microbial keratitis in Southern Malawi: a microbiological pilot study by Timothy Neal, Dean Everett, Stephen B Kaye, Alistair Darby, Moira Gandiwa, Shaffi Mdala, Caroline E Corless, Rose Herbert, Nicholas A V Beare, Tobi F Somerville, Thokozani Zungu, Malcolm J Horsburgh, Petros C Kayange

    Published 2024-05-01
    “…WGS identified known virulence genes associated with S. aureus keratitis.Conclusions In a resource-poor setting, a CIM can be used to safely sample the cornea in patients presenting with suspected MK, enabling identification of causative microorganisms by culture and PCR. …”
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    Article
  15. 715

    First whole genome report of Mangrovibacter phragmitis PSU-3885–11 isolated from a patient in Thailand by Nattarika Chaichana, Thunchanok Yaikhan, Mingkwan Yingkajorn, Nonthawat Thepsimanon, Sirikan Suwannasin, Kamonnut Singkhamanan, Sarunyou Chusri, Rattanaruji Pomwised, Monwadee Wonglapsuwan, Komwit Surachat

    Published 2025-01-01
    “…The PSU-3885–11 displayed resistance to beta-lactam antibiotics such as ampicillin and cefotaxime, while remaining sensitive to a wide range of other antibiotics. Key virulence genes including ompA, hcp/tssD, and rpoS, were identified which may play a role in its persistence in human hosts as an opportunistic pathogen. …”
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    Article
  16. 716

    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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  17. 717

    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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  18. 718

    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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  19. 719

    Identification and expression analysis of P-type ATPase IIIA subfamily in Puccinia Striiformis f. sp. tritici by Yingjie Sun, Hong Tao, Hong Han, Yiping Zou, Yingyu Xue, Shiwen Chen, Fei Tao

    Published 2025-01-01
    “…In plant pathogens, P-type ATPases primarily participate in pathogen development and virulence regulation. However, the P-type ATPase of subfamily IIIA (PMA) has not yet been identified in Pst. …”
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  20. 720

    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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