1,365 results found
    1. Epidemiology and Global Health

    The effects of a deleterious mutation load on patterns of influenza A/H3N2's antigenic evolution in humans

    Katia Koelle, David A Rasmussen
    Deleterious mutations slow down flu's antigenic evolution, make it more punctuated in nature, and reduce the virus's genetic diversity.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Integrating influenza antigenic dynamics with molecular evolution

    Trevor Bedford et al.
    Combined antigenic and genetic analysis shows that different strains of the human influenza virus display dramatically different rates of antigenic drift, and that these differences have a significant impact on the number of new infections in each flu season.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Extended low-resolution structure of a Leptospira antigen offers high bactericidal antibody accessibility amenable to vaccine design

    Ching-Lin Hsieh et al.
    The antibody accessibility of the leptospiral surface protein, LigB, provides a guide for the rational design of improved recombinant chimeric vaccine antigens displayed on a single domain scaffold.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Seasonal Influenza: The challenges of vaccine strain selection

    Amanda C Perofsky, Martha I Nelson
    New measures of influenza virus fitness could improve vaccine strain selection through more accurate forecasts of the evolution of the virus.
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    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Integrating genotypes and phenotypes improves long-term forecasts of seasonal influenza A/H3N2 evolution

    John Huddleston et al.
    The combination of phenotypic measures of antigenic drift and genotypic measures of functional constraint improves the accuracy of long-term seasonal influenza A/H3N2 forecasts.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Dengue genetic divergence generates within-serotype antigenic variation, but serotypes dominate evolutionary dynamics

    Sidney M Bell et al.
    Each dengue serotype contains moderate antigenic diversity, and population immunity drives clade turnover in a hyperendemic population.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Parallel evolution of influenza across multiple spatiotemporal scales

    Katherine S Xue et al.
    Influenza evolution within infected hosts recapitulates many evolutionary dynamics observed at the global scale.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    The contrasting phylodynamics of human influenza B viruses

    Dhanasekaran Vijaykrishna et al.
    The analysis of the genomes of two lineages of influenza B virus (Victoria and Yamagata) reveal that their phylodynamics are fundamentally different, and are determined by a complex relationship between virus transmission, age of infection and receptor binding preference.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    The inherent mutational tolerance and antigenic evolvability of influenza hemagglutinin

    Bargavi Thyagarajan, Jesse D Bloom
    Deep mutational scanning was used to comprehensively quantify the effects of mutations to influenza hemagglutinin and shows that the virus possesses a high inherent mutational tolerance at key antigenic sites.
    1. Cancer Biology

    Rejection of immunogenic tumor clones is limited by clonal fraction

    Ron S Gejman et al.
    A new, high-throughput in vivo MHC-I peptide minigene library platform shows that the naive immune system cannot eliminate cells presenting immunogenic antigens found at low frequencies within a growing tumor.

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