74 results found
    1. Evolutionary Biology

    Improved use of a public good selects for the evolution of undifferentiated multicellularity

    John H Koschwanez, Kevin R Foster, Andrew W Murray
    The ability to share resources for the benefit of all members of a group may have driven ancient organisms to evolve from a unicellular to a multicellular state.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Phosphorylation-mediated PTEN conformational closure and deactivation revealed with protein semisynthesis

    David Bolduc, Meghdad Rahdar ... Philip Cole
    C-terminal phosphorylation of the lipid phosphatase PTEN drives a reduction in membrane affinity and leads to a more compact conformation that involves a C2 domain-tail interaction.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Holocentromeres are dispersed point centromeres localized at transcription factor hotspots

    Florian A Steiner, Steven Henikoff
    Worm holocentromeres show a polycentric distribution, with each site containing a single centromeric nucleosome and also being targeted by multiple transcription factors.
    1. Plant Biology

    Host-induced bacterial cell wall decomposition mediates pattern-triggered immunity in Arabidopsis

    Xiaokun Liu, Heini M Grabherr ... Andrea A Gust
    Arabidopsis lysozyme LYS1 generates soluble peptidoglycan fragments to mediate pattern-triggered immunity.
    1. Microbiology and Infectious Disease

    Active invasion of bacteria into living fungal cells

    Nadine Moebius, Zerrin Üzüm ... Christian Hertweck
    Bacteria invade living fungal cells using secreted chitinolytic enzymes that allow for a traceless entry, as shown by microscopic snapshots.
    1. Cell Biology
    2. Developmental Biology

    FBN-1, a fibrillin-related protein, is required for resistance of the epidermis to mechanical deformation during C. elegans embryogenesis

    Melissa Kelley, John Yochem ... David S Fay
    A fibrillin-related protein, FBN-1, is a key component of the apical extracellular matrix and prevents epidermal cell deformation by biomechanical forces during morphogenesis of the C. elegans embryo.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    A FYVE zinc finger domain protein specifically links mRNA transport to endosome trafficking

    Thomas Pohlmann, Sebastian Baumann ... Michael Feldbrügge
    An endosomal component employs a novel PAM2-like motif to recruit a key RNA-binding protein, which explains how mRNAs and associated ribosomes are attached to endosomes during coupled transport.
    1. Plant Biology

    Negative regulation of ABA signaling by WRKY33 is critical for Arabidopsis immunity towards Botrytis cinerea 2100

    Shouan Liu, Barbara Kracher ... Imre E Somssich
    A genome-wide view of the gene regulatory network governed by WRKY33 has identified key targets that negatively regulate ABA biosynthesis to provide immunity against infection by a necrotrophic fungus.
    1. Cell Biology
    2. Immunology and Inflammation

    NaLi-H1: A universal synthetic library of humanized nanobodies providing highly functional antibodies and intrabodies

    Sandrine Moutel, Nicolas Bery ... Franck Perez
    A fully synthetic library of humanized single domain antibodies yields in vitro high affinity antibodies usable in cell biology and translational projects.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Spatiotemporal coupling and decoupling of gene transcription with DNA replication origins during embryogenesis in C. elegans

    Ehsan Pourkarimi, James M Bellush, Iestyn Whitehouse
    Replication origins are fundamental organizers and regulators of gene activity through embryonic development.

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