Showing 481 - 500 results of 777 for search '"virulence"', query time: 0.04s Refine Results
  1. 481

    Investigation of Enterotoxigenic Coagulase-negative Staphylococci Isolated from Local and Imported Dairy Products; a Microbiological Study by Niyaz Sirwan Ali, Huner Hiwa Arif

    Published 2020-12-01
    “…Coagulase negative staphylococci (CNS) have been recorded as a conveying vector for virulence genes and have been implicated in some cases of food poisoning. …”
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    Article
  2. 482

    ANALYSIS OF CHANGES IN AFRICAN SWINE FEVER VIRUS GENETIC STRUCTURE AND BIOLOGICAL PROPERTIES DURING ADAPTATION TO CONTINUOUS CELL CULTURE by Ali Mazloum, N. G. Zinyakov, A. S. Pershin, I. V. Shevchenko, I. Yu. Zhukov, D. N. Fedoseyeva, D. V. Sharypova, A. S. Igolkin, N. N. Vlasova

    Published 2019-01-01
    “…In particular, no virus genes directly associated with pig virulence have been identifed. Identifcation of such genes will enable preparation of deletion mutant ASF virus strains as well as development and testing of pilot safe vaccines based on the said virus strains. …”
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    Article
  3. 483

    Porphyromonas gingivalis: Major Periodontopathic Pathogen Overview by Jaroslav Mysak, Stepan Podzimek, Pavla Sommerova, Yelena Lyuya-Mi, Jirina Bartova, Tatjana Janatova, Jarmila Prochazkova, Jana Duskova

    Published 2014-01-01
    “…This anaerobic bacterium is a natural member of the oral microbiome, yet it can become highly destructive (termed pathobiont) and proliferate to high cell numbers in periodontal lesions: this is attributed to its arsenal of specialized virulence factors. The purpose of this review is to provide an overview of one of the main periodontal pathogens—Porphyromonas gingivalis. …”
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    Article
  4. 484

    Helicobacter pylori CagA and IL-1β Promote the Epithelial-to-Mesenchymal Transition in a Nontransformed Epithelial Cell Model by Haruki Arévalo-Romero, Isaura Meza, Gabriela Vallejo-Flores, Ezequiel M. Fuentes-Pananá

    Published 2016-01-01
    “…Gastric cancer is the third cause of cancer death worldwide and infection by Helicobacter pylori (H. pylori) is considered the most important risk factor, mainly by the activity of its virulence factor CagA. H. pylori/CagA-induced chronic inflammation triggers a series of gastric lesions of increased severity, starting with gastritis and ending with cancer. …”
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    Article
  5. 485

    Infectious bursal disease virus: identification of the novel genetic group and reassortant viruses by L. O. Scherbakova, Ye. V. Ovchinnikova, T. N. Zybina, S. N. Kolosov, N. G. Zinyakov, Z. B. Nikonova, D. B. Andreychuk, I. A. Chvala

    Published 2022-03-01
    “…Pathogenicity studies of the three IBDV isolates showed that the most virulent was an isolate having two genome segments characteristic of the highly virulent virus. …”
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    Article
  6. 486

    Immunological Evaluation for Personalized Interventions in Children with Tuberculosis: Should It Be Routinely Performed? by Laura E. Carreto-Binaghi, Esmeralda Juárez, Silvia Guzmán-Beltrán, María Teresa Herrera, Martha Torres, Alejandro Alejandre, José Arturo Martínez-Orozco, Eduardo Becerril-Vargas, Yolanda Gonzalez

    Published 2020-01-01
    “…Progression of Mycobacterium tuberculosis infection to active disease depends on mycobacterial virulence, environmental diversity, and host susceptibility and immune response. …”
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    Article
  7. 487

    Analysis and Characterization of the Immunogenicity of Rhoptry Protein 18 by Masoud Foroutan, Amir Karimipour-Saryazdi, Ali Dalir Ghaffari, Hamidreza Majidiani, Arezo Arzani Birgani, Elaheh Karimzadeh-Soureshjani, Shahrzad Soltani, Hany M Elsheikha

    Published 2025-02-01
    “…Rhoptry protein 18 (ROP18) is a key virulence factor secreted into host cells during the invasion of Toxoplasma gondii ( T. gondii ) and plays an important role in the pathogenesis of infection. …”
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    Article
  8. 488

    Emergence of Fusarium incarnatum and Fusarium avenaceum in wilt affected solanaceous crops of the Northern Himalayas by Tasmeen J. Parihar, Madeeha Naik, Shafqat Mehraj, Syed Inam ul Haq, Maqsooda Perveen, Ishfaq Ahmed Malla, Taniya Abid, Nadia Gul, Khalid Z. Masoodi

    Published 2025-01-01
    “…Pathogenicity tests confirmed the virulence of these pathogens, with typical wilt symptoms observed upon inoculation. …”
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    Article
  9. 489

    Association between microplastics and the functionalities of human gut microbiome by Bei Gao, Lixia Chen, Lizhi Wu, Shirui Zhang, Sunan Zhao, Zhe Mo, Zhijian Chen, Pengcheng Tu

    Published 2025-01-01
    “…Associations were found between microplastics and microbial species, as well as microbial genes encoding invasion-related virulence factors, quorum sensing, autoinducer and transporter system, and microplastic biodegradation enzymes. …”
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    Article
  10. 490

    Persistent Cutibacterium (Formerly Propionibacterium) acnes Bacteremia and Refractory Endocarditis in a Patient with Retained Implantable Pacemaker Leads by M. Freedman, J. O. Aflatooni, R. Foster, P. G. Haggerty, C. J. Derber

    Published 2020-01-01
    “…Cutibacterium (formerly Propionibacterium) acnes (C. acnes) is a commensal bacteria commonly found on the human skin and in the mouth. While the virulence of C. acnes is low in humans, it does produce a biofilm and has been identified as an etiologic agent in a growing number of implant-associated infections. …”
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    Article
  11. 491

    Helicobacter pylori CagA promotes gastric cancer immune escape by upregulating SQLE by Sifan Liu, Nan Zhang, Xu Ji, Shuyue Yang, Zheng Zhao, Peng Li

    Published 2025-01-01
    “…Abstract Helicobacter pylori (H. pylori) infection is a well-established risk factor for gastric cancer, primarily due to its virulence factor, cytotoxin-associated gene A (CagA). …”
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    Article
  12. 492

    Synthesis and Evaluation of In Vitro Antibacterial and Antitumor Activities of Novel N,N-Disubstituted Schiff Bases by Heng Luo, Yu-fen Xia, Bao-fei Sun, Li-rong Huang, Xing-hui Wang, Hua-yong Lou, Xu-hui Zhu, Wei-dong Pan, Xiao-dong Zhang

    Published 2017-01-01
    “…Moreover, we observed that the antibacterial action of 1a might be associated with the regulation of the expression of key virulence genes in S. aureus. Compound 1c resulted in a strong apoptotic activity against leukemia cells, also affecting the cell cycle distribution. …”
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    Article
  13. 493

    Combining Microarray Technology and Molecular Epidemiology to Identify Genes Associated with Invasive Group B Streptococcus by Lixin Zhang, Usha Reddi, Usha Srinivasan, Sheng Li, Stephanie M. Borchardt, Parvathy Pillai, Puja Mehta, Anne N. Styka, Joan DeBusscher, Carl F. Marrs, Betsy Foxman

    Published 2008-01-01
    “…Many bacterial species function as both commensals and pathogens; we used this dual nature to develop a high-throughput molecular epidemiological approach to identifying bacterial virulence genes. We applied our approach to Group B Streptococcus (GBS). …”
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    Article
  14. 494

    Exception to the Rule: Genomic Characterization of Naturally Occurring Unusual Vibrio cholerae Strains with a Single Chromosome by Gary Xie, Shannon L. Johnson, Karen W. Davenport, Mathumathi Rajavel, Torsten Waldminghaus, John C. Detter, Patrick S. Chain, Shanmuga Sozhamannan

    Published 2017-01-01
    “…Many of the known cholera virulence factors are absent. The two origins of replication and associated genes are generally intact with synonymous mutations in some genes, as are recA and mismatch repair (MMR) genes dam, mutH, and mutL; MutS function is probably impaired in NSCV2. …”
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    Article
  15. 495

    FeLV-induced feline leukemia as a natural model for leukemia pathophysiology study (review) by T. V. Tabakaeva, A. V. Tsybulsky, K. A. Baranchugova, I. V. Galkina, M. Yu. Shchelkanov

    Published 2023-03-01
    “…Leukemia clinical man ifestations in felids depend on high virulence of the virus and the disease is characterized with pronounced clinical picture and multipleorgan dysfunction. …”
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    Article
  16. 496

    Natural products based on Correa's cascade for the treatment of gastric cancer trilogy: Current status and future perspective by Wenhao Liao, Jing Wang, Yuchen Li

    Published 2025-02-01
    “…In phase I, NPs modulate Helicobacter pylori urease activity, motility, adhesion, virulence factors, and drug resistance, thereby inhibiting H. pylori-induced gastric mucosal inflammation and oxidative stress, and facilitating ulcer healing. …”
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    Article
  17. 497

    Entamoeba histolytica: Gene Expression Analysis of Cells Invading Tissues by Helen C. Fernandes, Ana F. Costa, Michelle A. R. Freitas, Almir S. Martins, Jorge L. Pesquero, Élida M. Rabelo, Maria A. Gomes

    Published 2014-01-01
    “…Due to the existence of different clinical forms caused by the parasite and also different virulence levels presented by one strain, one would expect differences in the profile of gene transcripts between virulent and nonvirulent cultures. …”
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    Article
  18. 498

    Isolation, characterization and therapeutic efficacy of lytic bacteriophage ZK22 against Salmonella Typhimurium in mice by Yihong Sun, Qing Qu, Yanhua Huang, Shuo Zhou, Hua Xiang, Wei Wang

    Published 2025-01-01
    “…A total of 78 coding sequences were predicted, with no virulence genes or drug resistance genes predicted. …”
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  19. 499
  20. 500

    The Genetic Structure of Wild Orobanche cumana Wallr. (Orobanchaceae) Populations in Eastern Bulgaria Reflects Introgressions from Weedy Populations by Rocío Pineda-Martos, Antonio J. Pujadas-Salvà, José M. Fernández-Martínez, Kiril Stoyanov, Leonardo Velasco, Begoña Pérez-Vich

    Published 2014-01-01
    “…The objective of this research was to investigate genetic diversity, population structure, and virulence on sunflower of O. cumana populations parasitizing wild plants in eastern Bulgaria. …”
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    Article