172 results found
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Nucleocapsid assembly in pneumoviruses is regulated by conformational switching of the N protein

    Max Renner, Mattia Bertinelli ... Jonathan M Grimes
    A structural comparison of different states of the protein responsible for encapsidation of the viral RNA genome provides mechanistic insights into this process.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Self-capping of nucleoprotein filaments protects the Newcastle disease virus genome

    Xiyong Song, Hong Shan ... Zhi-Jie Liu
    Structural and functional studies reveal how Newcastle disease virus nucleocapsid protects its viral genome through a self-capping mechanism, which is important for new antiviral drug design.
    1. Structural Biology and Molecular Biophysics

    The near-atomic cryoEM structure of a flexible filamentous plant virus shows homology of its coat protein with nucleoproteins of animal viruses

    Xabier Agirrezabala, Eduardo Méndez-López ... Mikel Valle
    The high-resolution structure of a filamentous flexible plant virus shows that there is structural homology between its coat protein and the nucleoproteins of an unrelated group of enveloped RNA animal viruses.
    1. Microbiology and Infectious Disease

    Influenza virus recruits host protein kinase C to control assembly and activity of its replication machinery

    Arindam Mondal, Anthony R Dawson ... Andrew Mehle
    Host protein kinase C family members regulate influenza virus genome replication by phosphorylating the viral nucleoprotein and controlling assembly of the viral replication machinery.
    1. Structural Biology and Molecular Biophysics

    High resolution cryo-EM structure of the helical RNA-bound Hantaan virus nucleocapsid reveals its assembly mechanisms

    Benoît Arragain, Juan Reguera ... Hélène Malet
    Hantaan virus nucleocapsid cryo-EM structure determined at 3.3 Å resolution reveals how nucleoproteins assemble into a metastable helix containing a continuous RNA-binding groove compatible with genome encapsidation and compaction.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Herpes simplex viral nucleoprotein creates a competitive transcriptional environment facilitating robust viral transcription and host shut off

    Sarah E Dremel, Neal A DeLuca
    Herpes simplex ICP4 preferentially binds to and delineates the viral genome, ultimately resulting in robust viral transcription at the expense of the host.
    1. Microbiology and Infectious Disease

    Unprecedented genomic diversity of RNA viruses in arthropods reveals the ancestry of negative-sense RNA viruses

    Ci-Xiu Li, Mang Shi ... Yong-Zhen Zhang
    Extensive genetic diversity and novel genome structures in RNA viruses from arthropods shed important new light on the ancestry and evolutionary history of major classes of vertebrate and plant viruses.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Stability-mediated epistasis constrains the evolution of an influenza protein

    Lizhi Ian Gong, Marc A Suchard, Jesse D Bloom
    Some of the mutations that occur during influenza evolution can only be tolerated in conjunction with other mutations that increase the stability of a viral protein.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Multiple serine transposase dimers assemble the transposon-end synaptic complex during IS607-family transposition

    Wenyang Chen, Sridhar Mandali ... Reid C Johnson
    Genetic, structural, and biochemical analyses of IS607-family transposons shows that the DNA translocation reaction proceeds very differently from other reactions promoted by serine recombinases.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    The giant mimivirus 1.2 Mb genome is elegantly organized into a 30-nm diameter helical protein shield

    Alejandro Villalta, Alain Schmitt ... Chantal Abergel
    As a Russian doll, mimivirus dsDNA genome is folded in a nucleocapsid-like structure enclosed in the nucleoid compartment, encased in the icosahedral capsid itself decorated by long glycosylated fibrils surprisingly made of the same protein as the genomic fiber.

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