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    1. Cell Biology

    SIRT2 deacetylase regulates the activity of GSK3 isoforms independent of inhibitory phosphorylation

    Mohsen Sarikhani, Sneha Mishra ... Nagalingam R Sundaresan
    Mass spectroscopy, molecular modeling and/or molecular dynamics simulations reveal how acetylation regulates the activity of GSK3 isoforms independent of inhibitory phosphorylation.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    SIRT-1 is required for release of enveloped enteroviruses

    Alagie Jassey, James Logue ... William T Jackson
    Enterovirus D68, a pathogen associated with a rare child paralysis disease, depends on the cellular protein SIRT-1 for release of virus, indicating that SIRT-1 may be an important therapeutic target.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    SIRT1 regulates sphingolipid metabolism and neural differentiation of mouse embryonic stem cells through c-Myc-SMPDL3B

    Wei Fan, Shuang Tang ... Xiaoling Li
    SIRT1, a cellular metabolic sensor, transcriptionally promotes sphingomyelin degradation in embryonic stem cells, which in turn modulates their membrane fluidity and neural differentiation.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    High-intensity interval training remodels the proteome and acetylome of human skeletal muscle

    Morten Hostrup, Anders Krogh Lemminger ... Atul Shahaji Deshmukh
    Global proteomic and acetylomic analyses reveal how skeletal muscle adapts to high-intensity interval training including adaptations to processes regulating metabolism and contraction.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    Haploinsufficiency of Trp53 dramatically extends the lifespan of Sirt6-deficient mice

    Shrestha Ghosh, Sheung Kin Wong ... Zhongjun Zhou
    The dramatic extension of lifespan in Sirt6-deficient mice by Trp53 haploinsufficiency suggests that SIRT6 has distinct biological function from SIRT1 in regulating p53 activity and preventing cells from senescence/apoptosis.
    1. Structural Biology and Molecular Biophysics

    Binding to nucleosome poises human SIRT6 for histone H3 deacetylation

    Ekaterina Smirnova, Emmanuelle Bignon ... Adam Ben Shem
    The dynamics of Sirtuin 6 binding to the nucleosome shed light on how it is able to deacetylate histone H3 lysines close to the core, including K27.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Sir2 phosphorylation through cAMP-PKA and CK2 signaling inhibits the lifespan extension activity of Sir2 in yeast

    Woo Kyu Kang, Yeong Hyeock Kim ... Jeong-Yoon Kim
    The deacetylase Sir2 fine-tunes transcription of PMA1 and other aging related genes in a cAMP-PKA and CK2 signaling dependent manner.
    1. Microbiology and Infectious Disease

    Host sirtuin 2 as an immunotherapeutic target against tuberculosis

    Ashima Bhaskar, Santosh Kumar ... Vinay Kumar Nandicoori
    The inhibition of host Sirtuin-2 by AGK2 restricts mycobacterial growth in vivo by modulation of host transcriptome leading to activation of protective immune responses.
    1. Chromosomes and Gene Expression

    Sir2 and Fun30 regulate ribosomal DNA replication timing via MCM helicase positioning and nucleosome occupancy

    Carmina Lichauco, Eric J Foss ... Antonio Bedalov
    Precocious ribosomal DNA replication in sir2 mutants requires Fun30.
    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.