139 results found
    1. Cell Biology

    Neurofibromin controls macropinocytosis and phagocytosis in Dictyostelium

    Gareth Bloomfield, David Traynor ... Robert R Kay
    Inactivation of the Dictyostelium orthologue of the tumour suppressor Neurofibromin (NF1) enables amoebae to ingest dissolved nutrients using macropinocytosis more rapidly, and to prey on larger organisms using phagocytosis.
    1. Biochemistry and Chemical Biology

    A terpene synthase-cytochrome P450 cluster in Dictyostelium discoideum produces a novel trisnorsesquiterpene

    Xinlu Chen, Katrin Luck ... Feng Chen
    The social amoeba Dictyostelium discoideum employs a terpene synthase-cytochrome P450 metabolic gene cluster to produce a novel trisnorsesquiterpene discodiene.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Cell and molecular transitions during efficient dedifferentiation

    John ME Nichols, Vlatka Antolović ... Jonathan R Chubb
    Efficient dedifferentiation is characterized by robustness to mutation, flexibility in ordering of cellular events and reversal of developmental changes along a single gene expression trajectory.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Hypoxia triggers collective aerotactic migration in Dictyostelium discoideum

    Olivier Cochet-Escartin, Mete Demircigil ... Jean-Paul Rieu
    Cell assemblies can use environmental cues created by their own respiration, such as oxygen gradients, to collectively guide themselves to more favorable locations in a remarkably robust and long-lasting way.
    1. Developmental Biology

    Developmental lineage priming in Dictyostelium by heterogeneous Ras activation

    Alex Chattwood, Koki Nagayama ... Christopher RL Thompson
    The probability of a cellular response to a differentiation inducing signal is correlated with the dynamic expression of a Ras protein, and produces a ‘salt and pepper’ pattern of cell differentiation.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Symbiont location, host fitness, and possible coadaptation in a symbiosis between social amoebae and bacteria

    Longfei Shu, Debra A Brock ... Susanne DiSalvo
    Morphological and fitness defects imposed on amoebae hosts by Burkholderia symbionts demonstrates symbiont species-specific effects and provides evidence of host adaptation to naturally acquired symbionts.
    1. Cell Biology
    2. Evolutionary Biology

    Characterization of TSET, an ancient and widespread membrane trafficking complex

    Jennifer Hirst, Alexander Schlacht ... Margaret S Robinson
    A missing link between the AP complexes and COPI sheds light on the evolution of vesicle coat proteins and trafficking pathways in the earliest eukaryotes.
    1. Cell Biology

    A plasma membrane template for macropinocytic cups

    Douwe M Veltman, Thomas D Williams ... Robert R Kay
    Rings of actin polymerisation that form around PIP3/Ras patches in the cell membrane drive the formation of macropinocytic cups.
    1. Physics of Living Systems

    Polar pattern formation induced by contact following locomotion in a multicellular system

    Masayuki Hayakawa, Tetsuya Hiraiwa ... Tatsuo Shibata
    Transient cell-cell contact of eukaryotic cells, called contact following locomotion, causes cell density segregation, and its high-density region traveled as a band within the disordered background.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Chemotactic network responses to live bacteria show independence of phagocytosis from chemoreceptor sensing

    Netra Pal Meena, Alan R Kimmel
    Eukaryotic chemotaxis to live bacteria was quantified at a high throughput level, for the first time, and mechanistically examined for the interrelationship between chemotaxis and phagocytosis.

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