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

    Proteomic analysis of the response to cell cycle arrests in human myeloid leukemia cells

    Tony Ly, Aki Endo, Angus I Lamond
    Building on previous work (Ly et al., 2014), we show that elutriated cells and arrested cells have similar patterns of DNA content and cyclin expression: however, a large fraction of the proteome changes detected in arrested cells are found to reflect arrest-specific responses rather than physiological cell cycle regulation.
    1. Developmental Biology

    Autophagic cell death is dependent on lysosomal membrane permeability through Bax and Bak

    Jason Karch, Tobias G Schips ... Jeffery D Molkentin
    Molecular pathways controlling autophagic cell death are regulated at the level of the lysosome through the activity of the pro-death Bcl-2 family member Bax/Bak.
    1. Cell Biology

    G-protein-coupled receptors regulate autophagy by ZBTB16-mediated ubiquitination and proteasomal degradation of Atg14L

    Tao Zhang, Kangyun Dong ... Junying Yuan
    Under normal nutritional conditions, G-protein coupled receptors can control autophagy by regulating the degradation of key autophagic regulator Atg14L through ZBTB16-mediated ubiquitination and proteasome degradation.
    1. Cancer Biology

    Loss of p53 suppresses replication-stress-induced DNA breakage in G1/S checkpoint deficient cells

    Bente Benedict, Tanja van Harn ... Hein te Riele
    During tumorigenesis loss of p53 not only abrogates cell cycle arrest and apoptosis, but also suppresses the induction of replication-stress-induced DNA double-stranded breaks.
    1. Chromosomes and Gene Expression

    RNA Polymerase II cluster dynamics predict mRNA output in living cells

    Won-Ki Cho, Namrata Jayanth ... Ibrahim I Cisse
    Quantitative super resolution imaging, in live mammalian cells, reveals a direct relationship between protein clustering dynamics and the number of mRNA transcribed at an endogenous gene locus.
    1. Cell Biology

    The master cell cycle regulator APC-Cdc20 regulates ciliary length and disassembly of the primary cilium

    Weiping Wang, Tao Wu, Marc W Kirschner
    The anaphase promoting complex (APC) has an essential role in ubiquitin-mediated proteolysis in the disassembly of cilia.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Hepatic conversion of acetyl-CoA to acetate plays crucial roles in energy stress

    Jinyang Wang, Yaxin Wen ... Qinxi Li
    Acetate concentration, which is significantly increased in association with energy stresses such as those that occur with diabetes or starvation, is emerging as a novel 'ketone body' with potential as a parameter for evaluating the progression of energy stress.
    1. Genetics and Genomics

    Pooled genome-wide CRISPR activation screening for rapamycin resistance genes in Drosophila cells

    Baolong Xia, Raghuvir Viswanatha ... Norbert Perrimon
    A novel genome-wide transcriptional activation screening in Drosophila cells revealed the activation of InR-Akt-mTOR pathway by cholesterol in plasma membrane to confer resistance to Rapamycin.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Acquisition of exogenous haem is essential for tick reproduction

    Jan Perner, Roman Sobotka ... Petr Kopacek
    The lack of haem biosynthetic and degradative pathways in ticks offers new strategies to combat these parasites.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Dynamics of mTORC1 activation in response to amino acids

    Maria Manifava, Matthew Smith ... Nicholas T Ktistakis
    Activation by amino acids causes mTORC1 to translocate transiently to the lysosomal surface.

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