351 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Quantitative H2S-mediated protein sulfhydration reveals metabolic reprogramming during the integrated stress response

    Xing-Huang Gao, Dawid Krokowski ... Maria Hatzoglou
    ATF4, the master regulator of transcription during the Integrated Stress Response (ISR), causes global changes in cysteine sulfhydration of proteins and this event causes cellular metabolic reprogramming.
    1. Cancer Biology

    Targeting posttranslational modifications of RIOK1 inhibits the progression of colorectal and gastric cancers

    Xuehui Hong, He Huang ... Zhiyong Zhang
    A Methylation-Phosphorylation Switch Determines RioK1 Stability and Function in CRC and GC Progression.
    1. Cancer Biology
    2. Neuroscience

    NMNAT promotes glioma growth through regulating post-translational modifications of P53 to inhibit apoptosis

    Jiaqi Liu, Xianzun Tao ... R Grace Zhai
    NMNAT is genetically required for glioma development and promotes glioma growth by allowing a higher tolerance to DNA damage and inhibiting DNA damage-p53-caspase-3 apoptosis signaling pathway by enhancing NAD+-dependent posttranslational modifications (PTMs) poly(ADP-ribosyl)ation (PARylation) and deacetylation of p53.
    1. Neuroscience

    Biophysical Kv3 channel alterations dampen excitability of cortical PV interneurons and contribute to network hyperexcitability in early Alzheimer’s

    Viktor J Olah, Annie M Goettemoeller ... Matthew JM Rowan
    Electrophysiological and genetic analyses reveal a biophysical mechanism in parvalbumin interneurons, uncoupled from changes in gene expression, resulting in reduced cortical inhibition in early-stage Alzheimer's disease.
    1. Cell Biology
    2. Plant Biology

    The GluTR-binding protein is the heme-binding factor for feedback control of glutamyl-tRNA reductase

    Andreas S Richter, Claudia Banse, Bernhard Grimm
    Heme-dependent feedback inhibition of rate-limiting ALA-synthesis of plant tetrapyrrole biosynthesis depends on binding of heme to glutamyl-tRNA reductase-binding protein.
    1. Cancer Biology
    2. Genetics and Genomics

    Endogenous p53 expression in human and mouse is not regulated by its 3′UTR

    Sibylle Mitschka, Christine Mayr
    The endogenous 3′UTR does not regulate TP53 mRNA or protein level and the 3′UTR is repressive when used alone in reporters, but addition of the coding region has a dominant repressive effect.
    1. Genetics and Genomics
    2. Immunology and Inflammation

    Genetic variant in 3’ untranslated region of the mouse pycard gene regulates inflammasome activity

    Brian Ritchey, Qimin Hai ... Jonathan D Smith
    A new mode of inflammasome regulation was discovered through a mouse strain intercross that identified the Pycard locus was associated with IL-1β release, and gene editing showed this was due to an SNP in the Pycard mRNA regulating its turnover.
    1. Cell Biology

    The peroxisomal exportomer directly inhibits phosphoactivation of the pexophagy receptor Atg36 to suppress pexophagy in yeast

    Houqing Yu, Roarke A Kamber, Vladimir Denic
    A novel mechanism by which a compartment-specific AAA+ complex mediating organelle biogenesis and protein quality control staves off induction of selective autophagy.
    1. Chromosomes and Gene Expression

    The CDK Pef1 and protein phosphatase 4 oppose each other for regulating cohesin binding to fission yeast chromosomes

    Adrien Birot, Marta Tormos-Pérez ... Jean-Paul Javerzat
    Cohesin loader activity is regulated by phosphorylation of its cohesin substrate.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    DNA damage shifts circadian clock time via Hausp-dependent Cry1 stabilization

    Stephanie J Papp, Anne-Laure Huber ... Katja A Lamia
    The circadian clock proteins, cryptochrome 1 (Cry1) and 2 (Cry2), evolved from bacterial light-activated DNA repair enzymes to detect DNA damage and coordinate the gene expression response.

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