Results 131 to 140 of about 102,895 (315)

Contact transmission of influenza virus between ferrets imposes a looser bottleneck than respiratory droplet transmission allowing propagation of antiviral resistance [PDF]

, 2016
Influenza viruses cause annual seasonal epidemics and occasional pandemics. It is important to elucidate the stringency of bottlenecks during transmission to shed light on mechanisms that underlie the evolution and propagation of antigenic drift, host ...
Ashcroft, J, Barclay, W, Bradley, K, Donnelly, C, Elderfield, R, Fernandez-Alonso, M, Frise, R, Galiano, M, Lackenby, A, Miah, S, Roberts, K, Stilwell, P, Van Doremalen, N   +12 more
core   +1 more source

Longitudinal Surveillance of Influenza A Virus Exposure in Wild Boars (Sus scrofa) in Spain (2015–2023): Serologic and Virologic Evidence of Subtype Infections and H5N1 Spillover Risk

Zoonoses and Public Health, Volume 73, Issue 3, Page 191-204, May 2026.
ABSTRACT Introduction Influenza A viruses (IAVs) are responsible for respiratory infections in a wide range of species, including birds, swine and humans. The role of wild boar (Sus scrofa) in IAV epidemiology remains underexplored. Here, we present a longitudinal serologic and virologic surveillance study of wild boars in Spain from 2015 to 2023 ...
Paloma Encinas, Aitor Nogales, Estela Escribano‐Romero, M. Ángeles Martín del Burgo, Jorge Ramón López‐Olvera, José Enrique Granados, Gregorio Mentaberre, Adolfo García‐Sastre, Gustavo del Real   +8 more
wiley   +1 more source

Microsecond Molecular Dynamics Simulations of Influenza Neuraminidase Suggest a Mechanism for the Increased Virulence of Stalk-Deletion Mutants

Journal of Physical Chemistry B, 2016
Deletions in the stalk of the influenza neuraminidase (NA) surface protein are associated with increased virulence, but the mechanisms responsible for this enhanced virulence are unclear.
Jacob D. Durrant, R. Bush, R. Amaro
semanticscholar   +1 more source

Neuraminidase Production by Clostridia [PDF]

Journal of Medical Microbiology, 1978
The production of neuraminidase (EC 3.2.1.18) by a range of clostridial species was investigated with techniques previously developed to distinguish neuraminidase-negative and neuraminidase-positive strains of Clostridium perfringens (welchii). Large amounts of extracellular neuraminidase were produced by representative strains of C. perfringens and C.
openaire   +2 more sources

Novel Anti-Viral Properties of the Herbal Extract of Davallia mariesii against Influenza A Virus

Viruses
Gu-Sui-Bu, the dried rhizome of Davallia mariesii, is a traditional Chinese herbal remedy with a significant history of treating osteoporosis and inflammatory conditions.
Yu-Li Chen, Pei-Yu Chao, Chung-Fan Hsieh, Pei-Wen Hsieh, Jim-Tong Horng   +4 more
doaj   +1 more source

Neuraminidase-1: A novel therapeutic target in multistage tumorigenesis

OncoTarget, 2016
Several of the growth factors and their receptor tyrosine kinases (RTK) such as epidermal growth factor (EGF), platelet-derived growth factor (PDGF), fibroblast growth factor (FGF), vascular endothelial growth factor (VEGF), nerve growth factor (NGF) and
Fiona Haxho, R. Neufeld, M. Szewczuk
semanticscholar   +1 more source

Influenzavirus neuraminidase and neuraminidase-inhibition test procedures.

Bulletin of the World Health Organization, 1973
The adequate characterization of type A influenzaviruses requires the identification not only of the haemagglutinin but also of the neuraminidase. The neuraminidase-inhibition test, as performed in the two WHO international reference centres for influenza, is described and its use in other laboratories-particularly those collaborating in the WHO ...
M, Aymard-Henry, M T, Coleman, W R, Dowdle, W G, Laver, G C, Schild, R G, Webster   +5 more
openaire   +1 more source

Monitoring and Characterization of Oseltamivir-Resistant Pandemic (H1N1) 2009 Virus, Japan, 2009–2010

Emerging Infectious Diseases, 2011
To monitor and characterize oseltamivir-resistant (OR) pandemic (H1N1) 2009 virus with the H275Y mutation, we analyzed 4,307 clinical specimens from Japan by neuraminidase (NA) sequencing or inhibition assay; 61 OR pandemic (H1N1) 2009 viruses were ...
Makoto Ujike, Miho Ejima, Akane Anraku, Kozue Shimabukuro, Masatsugu Obuchi, Noriko Kishida, Xu Hong, Emi Takashita, Seiichiro Fujisaki, Kazuyo Yamashita, Hiroshi Horikawa, Yumiko Kato, Akio Oguchi, Nobuyuki Fujita, Masato Tashiro, Takato Odagiri   +15 more
doaj   +1 more source

Lipooligosaccharides (LOS) of Neisseria gonorrhoeae and Neisseria meningitidis have components that are immunochemically similar to precursors of human blood group antigens. Carbohydrate sequence specificity of the mouse monoclonal antibodies that recognize crossreacting antigens on LOS and human erythrocytes. [PDF]

, 1988
We have used mouse mAbs, 3F11 and 06B4, that are specific for highly conserved epitopes of Neisseria gonorrhoeae lipooligosaccharides (LOS) to identify immunochemically similar structures on human erythrocytes. mAb 3F11 agglutinated erythrocytes from all
Griffiss, J, Macher, B, Mandrell, R
core  

Global update on the susceptibility of human influenza viruses to neuraminidase inhibitors, 2013–2014

Antiviral Research, 2015
Four World Health Organization (WHO) Collaborating Centres for Reference and Research on Influenza and one WHO Collaborating Centre for the Surveillance, Epidemiology and Control of Influenza (WHO CCs) tested 10,641 viruses collected by WHO-recognized ...
E. Takashita, A. Meijer, A. Lackenby, L. Gubareva, H. Rebelo-de-Andrade, T. Besselaar, A. Fry, V. Gregory, S. Leang, Wei-juan Huang, J. Lo, D. Pereyaslov, M. Siqueira, Dayan Wang, Gannon C.K. Mak, Wenqing Zhang, R. Daniels, A. Hurt, M. Tashiro   +18 more
semanticscholar   +1 more source