1,223 results found
    1. Cell Biology

    Mitochondrial flashes regulate ATP homeostasis in the heart

    Xianhua Wang, Xing Zhang ... Heping Cheng
    Mitochondrial flashes counteract the imbalance of ATP supply-and-demand and constitute an auto-regulator of ATP homeostasis in the heart.
    1. Cell Biology

    High and stable ATP levels prevent aberrant intracellular protein aggregation in yeast

    Masak Takaine, Hiromi Imamura, Satoshi Yoshida
    The first demonstration that cellular ATP homeostasis suppresses high volatility of cellular ATP levels to ensure proteostasis that prevents accumulation of cytotoxic protein aggregation.
    1. Cell Biology

    Connexin 43 hemichannels regulate mitochondrial ATP generation, mobilization, and mitochondrial homeostasis against oxidative stress

    Jingruo Zhang, Manuel A Riquelme ... Jean X Jiang
    Mitochondrial Cx43 hemichannels regulate ATP generation by mediating K+, H+, and ATP transfer across the mitochondrial inner membrane and the interaction with mitochondrial ATP synthase, contributing to maintenance of mitochondrial redox and cell protection under oxidative stress.
    1. Microbiology and Infectious Disease
    2. Plant Biology

    Soil-borne fungi alter the apoplastic purinergic signaling in plants by deregulating the homeostasis of extracellular ATP and its metabolite adenosine

    Christopher Kesten, Valentin Leitner ... Clara Sanchez-Rodriguez
    Biochemical and in vivo physiology imaging reveal that plant pathogens actively imbalance the apoplastic eAdo/eATP levels as a virulence mechanism.
    1. Neuroscience

    Monitoring ATP dynamics in electrically active white matter tracts

    Andrea Trevisiol, Aiman S Saab ... Johannes Hirrlinger
    ATP imaging of spiking optic nerve axons in real time reveals correlation between ATP levels and electrical activity as well as contribution of lactate metabolism to axonal ATP homeostasis.
    1. Biochemistry and Chemical Biology
    2. Plant Biology

    Two bifunctional inositol pyrophosphate kinases/phosphatases control plant phosphate homeostasis

    Jinsheng Zhu, Kelvin Lau ... Michael Hothorn
    Genetic and biochemical analysis of two enzymes reveals that inositol pyrophosphate signaling molecules allow plants to sense and regulate cellular phosphate levels, and to take up more phosphate when needed.
    1. Cell Biology
    2. Medicine

    Augmenter of liver regeneration regulates cellular iron homeostasis by modulating mitochondrial transport of ATP-binding cassette B8

    Hsiang-Chun Chang, Jason Solomon Shapiro ... Hossein Ardehali
    Mammalian cellular iron homeostasis and the maturation of the cytosolic iron sulfur cluster proteins are dependent on the mitochondrial protein import machinery.
    1. Chromosomes and Gene Expression

    Dual control of NAD+ synthesis by purine metabolites in yeast

    Benoît Pinson, Johanna Ceschin ... Bertrand Daignan-Fornier
    Two distinct processes drive coordinated synthesis of purine and pyridine (NAD+) nucleotides in response to AICAR derivatives and ATP.
    1. Cell Biology
    2. Genetics and Genomics

    Differential requirements for mitochondrial electron transport chain components in the adult murine liver

    Nicholas P Lesner, Xun Wang ... Prashant Mishra
    Animal models reveal that mitochondrial complex I is dispensable for homeostatic functions of the mouse liver.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Mitochondria supply ATP to the ER through a mechanism antagonized by cytosolic Ca2+

    Jing Yong, Helmut Bischof ... Randal J Kaufman
    ATP enters the endoplasmic reticulum (ER) lumen through an SLC35B1/AXER-dependentCaATiER mechanism, and ATP usage in the ER renders 'anti-Warburg' effect by increasing ATP regeneration from OxPhos while decreasing glycolysis.

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