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994 results found
    1. Microbiology and Infectious Disease

    Inverse regulation of Vibrio cholerae biofilm dispersal by polyamine signals

    Andrew A Bridges, Bonnie L Bassler
    The global pathogen Vibrio cholerae monitors environmental polyamines to garner information about numbers of ‘self’ versus ‘other’ in the vicinity, and in response, to remain or disperse from biofilms.
    1. Cell Biology
    2. Developmental Biology

    A nanobody-based toolset to investigate the role of protein localization and dispersal in Drosophila

    Stefan Harmansa et al.
    Functionalized protein binders, anchored to specific regions along the cell cortex, provide a novel approach to directly modify protein localization and dispersal in vivo.
    1. Developmental Biology
    2. Cell Biology

    Direct visualization of a native Wnt in vivo reveals that a long-range Wnt gradient forms by extracellular dispersal

    Ariel M Pani, Bob Goldstein
    Free, extracellular dispersal of Wnt proteins generates a long-range gradient during animal development and is required for signaling.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Holocentromeres are dispersed point centromeres localized at transcription factor hotspots

    Florian A Steiner, Steven Henikoff
    Worm holocentromeres show a polycentric distribution, with each site containing a single centromeric nucleosome and also being targeted by multiple transcription factors.
  1. Eph and Ephrin function in dispersal and epithelial insertion of pigmented immunocytes in sea urchin embryos

    Oliver A Krupke et al.
    Eph receptor signaling commonly excludes migrating embryonic cells from regions of high ligand density; however, in sea urchin embryos pigmented immunocytes are attracted to regions expressing high levels of Ephrin.
    1. Microbiology and Infectious Disease

    Unravelling the history of hepatitis B virus genotypes A and D infection using a full-genome phylogenetic and phylogeographic approach

    Evangelia-Georgia Kostaki et al.
    Considerable differences are observed in the global dissemination patterns of HBV-D and HBV-A, the genotypes of which have putative origins in North Africa/Middle East (HBV-D) and the Middle East/Central Asia (HBV-A).
    1. Biochemistry and Chemical Biology

    Conserved RNA-binding specificity of polycomb repressive complex 2 is achieved by dispersed amino acid patches in EZH2

    Yicheng Long et al.
    Biochemical and mutagenesis analysis reveal the long-anticipated RNA-binding elements of Polycomb Repressive Complex 2 (PRC2), an important chromatin modifier, allowing construction of separation-of-function mutants of PRC2 defective in RNA binding but retaining histone-modifying activity.
    1. Cell Biology

    Ryanodine receptor dispersion disrupts Ca2+ release in failing cardiac myocytes

    Terje R Kolstad et al.
    Experimental and mathematical modeling approaches identify a novel mechanism of heart failure, linking disrupted calcium homeostasis and impaired contractility of cardiacmyocytes to nanoscale reorganization of calcium release channels.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Evolution of multicellularity by collective integration of spatial information

    Enrico Sandro Colizzi et al.
    Selection for undifferentiated multicellularity emerges in an evolutionary cell-based model because a collective of cells performs chemotaxis better than single cells in a noisy environment.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Predicting geographic location from genetic variation with deep neural networks

    CJ Battey et al.
    Neural networks allow fast and accurate prediction of individual spatial locations from genotypes or sequencing data.

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