767 results found
    1. Ecology

    Multistability and regime shifts in microbial communities explained by competition for essential nutrients

    Veronika Dubinkina, Yulia Fridman ... Sergei Maslov
    Multistability and regime shifts are common and species diversity is high in microbial communities when nutrient supplies are balanced and competing species have different stoichiometries of essential nutrients.
    1. Chromosomes and Gene Expression

    Msn2/4 regulate expression of glycolytic enzymes and control transition from quiescence to growth

    Zheng Kuang, Sudarshan Pinglay ... Jef D Boeke
    General stress response factors Msn2 and Msn4 activate glycolytic genes and promote acetyl-CoA accumulation to stimulate growth and proliferation of yeast cells under a nutrient-limiting condition, suggesting the unexpected interrelationship between carbohydrate metabolism and stress response.
    1. Cancer Biology

    Glutamine deprivation triggers NAGK-dependent hexosamine salvage

    Sydney Campbell, Clementina Mesaros ... Kathryn E Wellen
    Hexosamine salvage through the enzyme N-acetylglucosamine kinase is stimulated in nutrient-limited conditions and supports pancreatic tumor growth.
    1. Computational and Systems Biology
    2. Ecology

    Nutrient dominance governs the assembly of microbial communities in mixed nutrient environments

    Sylvie Estrela, Alicia Sanchez-Gorostiaga ... Alvaro Sanchez
    There are regularities in how specific nutrients combine together to shape the taxonomic composition of self-assembled communities, with some types of nutrients dominating other types.
    1. Cell Biology
    2. Developmental Biology

    Nutrient restriction enhances the proliferative potential of cells lacking the tumor suppressor PTEN in mitotic tissues

    Katarzyna Nowak, Gerhard Seisenbacher ... Hugo Stocker
    Nutrient limitation elicits differential responses in cells lacking the tumor suppressor PTEN and in normal cells, resulting in hyperplastic overgrowth of PTEN mutant tissue independent of additional mutations.
    1. Cancer Biology

    The CD73 immune checkpoint promotes tumor cell metabolic fitness

    David Allard, Isabelle Cousineau ... John Stagg
    Targeting CD73 not only enhances anti-tumor immunity but also disrupts tumor cell metabolism and hinders poly ADP ribose polymerase (PARP) activity, thus unveiling novel opportunities for combination cancer treatments.
    1. Cancer Biology

    Hyaluronic acid fuels pancreatic cancer cell growth

    Peter K Kim, Christopher J Halbrook ... Costas A Lyssiotis
    Pancreatic cancers can utilize hyaluronic acid, an abundant extracellular matrix component in the tumor microenvironment, to fuel cancer cell metabolism and growth.
    1. Cancer Biology
    2. Computational and Systems Biology

    Quantitative analysis of tumour spheroid structure

    Alexander P Browning, Jesse A Sharp ... Matthew Simpson
    A novel quantitative framework to analyse the inner structure of tumour spheroids in terms of the mechanisms that underly growth.
    1. Ecology

    Genomic adaptations in information processing underpin trophic strategy in a whole-ecosystem nutrient enrichment experiment

    Jordan G Okie, Amisha T Poret-Peterson ... James J Elser
    Trait-based metagenomic analysis of an ecosystem fertilization experiment shows that genomic traits that affect the costs and rates of biochemical information-processing mediate community assembly.
    1. Evolutionary Biology
    2. Medicine

    A dietary sterol trade-off determines lifespan responses to dietary restriction in Drosophila melanogaster females

    Brooke Zanco, Christen K Mirth ... Matthew DW Piper
    Micronutrients, not macronutrients, regulate lifespan.

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