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

    The glyoxylate shunt is essential for desiccation tolerance in C. elegans and budding yeast

    Cihan Erkut, Vamshidhar R Gade ... Teymuras V Kurzchalia
    Roundworms and yeast can survive extreme desiccation only by switching their metabolism into a gluconeogenic mode and producing very high amounts of trehalose via the glyoxylate shunt.
    1. Cell Biology

    ALKBH7 mediates necrosis via rewiring of glyoxal metabolism

    Chaitanya A Kulkarni, Sergiy M Nadtochiy ... Paul S Brookes
    Multi-omics reveals that Alkb homolog 7 (ALKBH7), α mitochondrial alpha-ketoglutarate dioxygenase of unclear function, regulates glyoxal metabolism, which may explain its role in necrosis and heart attack.
    1. Genetics and Genomics
    2. Neuroscience

    Methylglyoxal-derived hydroimidazolone, MG-H1, increases food intake by altering tyramine signaling via the GATA transcription factor ELT-3 in Caenorhabditis elegans

    Muniesh Muthaiyan Shanmugam, Jyotiska Chaudhuri ... Pankaj Kapahi
    Advanced glycation end-products (compounds which make the food appetizing and aromatic) intricately modulate organism’s homeostatic and hedonistic signaling pathways thereby inducing preferential consumption of excess nutrients offering preliminary insights into overconsumption of modern-day processed food.
    1. Biochemistry and Chemical Biology

    Saccharomyces cerevisiae DJ-1 paralogs maintain genome integrity through glycation repair of nucleic acids and proteins

    Gautam Susarla, Priyanka Kataria ... Patrick D'Silva
    Yeast DJ-1 homologs are molecular erasers of glycation adducts on cellular macromolecules and preserve mitochondrial health through redistributing into mitochondria under elevated carbonyl stress.
    1. Biochemistry and Chemical Biology

    daf-16/FoxO promotes gluconeogenesis and trehalose synthesis during starvation to support survival

    Jonathan D Hibshman, Alexander E Doan ... L Ryan Baugh
    daf-16/FoxO restructures metabolism during acute starvation to promote synthesis of trehalose, which supports survival as a stress protectant and energy source.
    1. Biochemistry and Chemical Biology

    Structure-guided microbial targeting of antistaphylococcal prodrugs

    Justin J Miller, Ishaan T Shah ... Audrey R Odom John
    Prodrug antibiotics can be designed that are serum-stable but readily cleaved inside bacterial pathogens.
    1. Cancer Biology
    2. Cell Biology

    Methylglyoxal, a glycolysis side-product, induces Hsp90 glycation and YAP-mediated tumor growth and metastasis

    Marie-Julie Nokin, Florence Durieux ... Akeila Bellahcène
    Carbonyl stress mediated by Methylglyoxal affects Hsp90 activity, inhibits the Hippo pathway and promotes tumor growth and metastasis in breast cancer.
    1. Microbiology and Infectious Disease

    Loss of N1-methylation of G37 in tRNA induces ribosome stalling and reprograms gene expression

    Isao Masuda, Jae-Yeon Hwang ... Ya-Ming Hou
    Biochemical and genome-wide analysis demonstrates that m1G37 is important for tRNA aminoacylation and for the entire elongation cycle of protein synthesis.
    1. Microbiology and Infectious Disease

    Biosensor-integrated transposon mutagenesis reveals rv0158 as a coordinator of redox homeostasis in Mycobacterium tuberculosis

    Somnath Shee, Reshma T Veetil ... Amit Singh
    Genome-scale integration of transposon mutagenesis with a redox biosensor identified a hypothetical transcription factor- Rv0158 required to calibrate the growth, cytoplasmic redox potential, and respiration of Mycobacterium tuberculosis in response to metabolic switching from glucose to fatty acids.
    1. Computational and Systems Biology

    Design principles of autocatalytic cycles constrain enzyme kinetics and force low substrate saturation at flux branch points

    Uri Barenholz, Dan Davidi ... Ron Milo
    The stability of metabolic autocatalytic cycles that are widespread in central metabolism limits the affinities of enzymes at flux branch points and explains excess expression of these enzymes.

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