44 results found
    1. Developmental Biology
    2. Genetics and Genomics

    Gap junctions deliver malonyl-CoA from soma to germline to support embryogenesis in Caenorhabditis elegans

    Todd A Starich, Xiaofei Bai, David Greenstein
    Malonyl-CoA, the rate-limiting substrate for fatty acid synthesis, is produced in the soma and delivered through gap junctions to the germline to promote reproduction and coordinate it with nutritional status.
    1. Cell Biology
    2. Neuroscience

    Sensing of nutrients by CPT1C regulates late endosome/lysosome anterograde transport and axon growth

    Marta Palomo-Guerrero, Rut Fadó ... Núria Casals
    The pseudoenzyme CPT1C is able to sense changes in intracellular malonyl-CoA levels caused by nutrients or energy stress and regulate late endosomes/lysosomes anterograde transport, necessary for proper axon growth.
    1. Medicine

    Mechanisms underlying neonate-specific metabolic effects of volatile anesthetics

    Julia Stokes, Arielle Freed ... Simon C Johnson
    Volatile anesthetics impair hepatic tricarboxylic acid cycle function in adult and neonatal mice, with citrate accumulation driving a neonate-specific inhibition of beta-oxidation and ketosis through their increased relative sensitivity to malonyl-CoA.
    1. Immunology and Inflammation

    ACLY ubiquitination by CUL3-KLHL25 induces the reprogramming of fatty acid metabolism to facilitate iTreg differentiation

    Miaomiao Tian, Fengqi Hao ... Min Wei
    Metabolic flux analysis, biochemistry assays, and functional confirmation in mice show that the ubiquitination and degradation of ATP-citrate lyase (ACLY) mediated by CUL3-KLHL25 promotes the switch from fatty acid synthesis to fatty acid oxidation for iTreg differentiation.
    1. Cell Biology

    Acetyl-CoA production by specific metabolites promotes cardiac repair after myocardial infarction via histone acetylation

    Ienglam Lei, Shuo Tian ... Zhong Wang
    An acetyl-CoA-mediated metabolic and epigenetic network has been elucidated that stimulates histone acetylation and anti-oxidative stress gene expression for heart repair after myocardial infarction.
    1. Cell Biology

    Impaired skeletal muscle mitochondrial pyruvate uptake rewires glucose metabolism to drive whole-body leanness

    Arpit Sharma, Lalita Oonthonpan ... Eric B Taylor
    Skeletal muscle mitochondrial pyruvate carrier disruption increases muscle fatty acid oxidation and systemic glucose turnover that drive whole-body leanness.
    1. Genetics and Genomics

    Genetic architecture of natural variation in cuticular hydrocarbon composition in Drosophila melanogaster

    Lauren M Dembeck, Katalin Böröczky ... Trudy F C Mackay
    Genome wide association analyses in a wild-derived Drosophila melanogaster population uncover extensive variation in cuticular hydrocarbon composition, which may present a target for natural selection and adaptive evolution.
    1. Cell Biology
    2. Cancer Biology

    Phenotype-based cell-specific metabolic modeling reveals metabolic liabilities of cancer

    Keren Yizhak, Edoardo Gaude ... Eytan Ruppin
    Genome-scale metabolic modeling of individual cancer cells and healthy human cells identifies specific and selective metabolic vulnerabilities.
    1. Genetics and Genomics

    Recessive pathogenic variants in MCAT cause combined oxidative phosphorylation deficiency

    Bryn D Webb, Sara M Nowinski ... Sander M Houten
    Biallelic variants in MCAT are associated with combined oxidative phosphorylation deficiency in humans and a clinical presentation that includes hypotonia, developmental delay, failure to thrive, and nystagmus.
    1. Ecology
    2. Evolutionary Biology

    A toxin-mediated policing system in Bacillus optimizes division of labor via penalizing cheater-like nonproducers

    Rong Huang, Jiahui Shao ... Ruifu Zhang
    A policing system in Bacillus velezensis coordinated extracellular matrix production and autotoxin synthesis/self-immunity to penalize cheater-like nonproducers in biofilm community, which enhances the population stability and ecological fitness under stress conditions and in the rhizosphere.

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