29 results found
    1. Cell Biology

    Role of SAGA in the asymmetric segregation of DNA circles during yeast ageing

    Annina Denoth-Lippuner, Marek Konrad Krzyzanowski ... Yves Barral
    The SAGA complex binds non-chromosomal DNA circles and prevents their spreading by attaching them to nuclear pores, thereby leading to the concomitant accumulation of DNA circles and pores in ageing yeast mother cells.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Human DNA2 possesses a cryptic DNA unwinding activity that functionally integrates with BLM or WRN helicases

    Cosimo Pinto, Kristina Kasaciunaite ... Petr Cejka
    The nuclease of hDNA2 limits its processive DNA unwinding capacity; the helicase function becomes stimulatory when hDNA2 is in complex with BLM or WRN helicase to degrade dsDNA.
    1. Developmental Biology
    2. Genetics and Genomics

    The genome of the crustacean Parhyale hawaiensis, a model for animal development, regeneration, immunity and lignocellulose digestion

    Damian Kao, Alvina G Lai ... Aziz Aboobaker
    The first malacostracan genome sequence will establish the genetically tractable Parhyale hawaiensis as a model organism in this key animal group.
    1. Cell Biology

    Human Nup98 regulates the localization and activity of DExH/D-box helicase DHX9

    Juliana S Capitanio, Ben Montpetit, Richard W Wozniak
    Mechanistic insight into the role of intranuclear Nup98 in gene expression is revealed by functional interactions with the helicase DHX9.
    1. Biochemistry and Chemical Biology
    2. Plant Biology

    RISC-interacting clearing 3’- 5’ exoribonucleases (RICEs) degrade uridylated cleavage fragments to maintain functional RISC in Arabidopsis thaliana

    Zhonghui Zhang, Fuqu Hu ... Xiuren Zhang
    AGO protein-interacting exoribonucleases clear RNA induced silencing complex (RISC)-resulting 5' cleavage products in time to recycle RISC and miRNAs.
    1. Neuroscience

    Defective synaptic transmission causes disease signs in a mouse model of juvenile neuronal ceroid lipofuscinosis

    Benedikt Grünewald, Maren D Lange ... Christian Geis
    Impaired GABAergic and glutamatergic synaptic function and loss of interneurons in the amygdala, hippocampus, and cerebellum cause characteristic disease symptoms in a mouse model juvenile neuronal ceroid lipofuscinosis.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Boosting ATM activity alleviates aging and extends lifespan in a mouse model of progeria

    Minxian Qian, Zuojun Liu ... Baohua Liu
    The ATM-SIRT6 axis integrates the DNA repair machinery to longevity-promoting pathways.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Multisite dependency of an E3 ligase controls monoubiquitylation-dependent cell fate decisions

    Achim Werner, Regina Baur ... Michael Rape
    Simultaneous phosphorylation of multiple substrate motifs drives switch-like target recognition and monoubiquitylation by an E3 ligase during metazoan development.
    1. Neuroscience

    Oligodendrocyte-encoded Kir4.1 function is required for axonal integrity

    Lucas Schirmer, Wiebke Möbius ... David H Rowitch
    Ultrastructural and loss-of-function experiments show that oligodendrocyte-encoded Kir4.1 is located near active axonal structures, including within myelin inner tongue, and has critical functions to promote axonal activity and preserve integrity.
    1. Cancer Biology

    Werner syndrome helicase is a selective vulnerability of microsatellite instability-high tumor cells

    Simone Lieb, Silvia Blaha-Ostermann ... Simon Wöhrle
    Targeting Werner syndrome helicase might constitute a novel opportunity for the treatment of a clinically defined subset of patients harboring MSI-H/MMR-deficient tumors.

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