1,751 results found
    1. Chromosomes and Gene Expression

    Stem-loop and circle-loop TADs generated by directional pairing of boundary elements have distinct physical and regulatory properties

    Wenfan Ke, Miki Fujioka ... James B Jaynes
    Boundary:boundary pairing generates either stem-loop or circle-loop TADs, and these loop topologies differ in how they impact chromosome structure and genetic activities.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Elba, a novel developmentally regulated chromatin boundary factor is a hetero-tripartite DNA binding complex

    Tsutomu Aoki, Ali Sarkeshik ... Paul Schedl
    A chromatin boundary factor that is only active during early embryo development has been discovered in Drosophila.
    1. Chromosomes and Gene Expression

    Chromosome structure in Drosophila is determined by boundary pairing not loop extrusion

    Xinyang Bing, Wenfan Ke ... James B Jaynes
    Boundary:boundary pairing interactions drive TAD formation in Drosophila.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Cis-regulatory modes of Ultrabithorax inactivation in butterfly forewings

    Amruta Tendolkar, Anyi Mazo-Vargas ... Arnaud Martin
    CRISPR knock-outs and functional genomic approaches probe the regulatory mechanism restricting the Hox gene Ubx to butterfly hindwings, explaining color pattern differentiation from forewings.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Convergence of topological domain boundaries, insulators, and polytene interbands revealed by high-resolution mapping of chromatin contacts in the early Drosophila melanogaster embryo

    Michael R Stadler, Jenna E Haines, Michael B Eisen
    Fruit fly chromosomes are divided into discrete structural domains by regions of decompacted chromatin, suggesting a novel model for the formation of a known class of genetic elements.
    1. Evolutionary Biology

    Morphometric analysis of lungfish endocasts elucidates early dipnoan palaeoneurological evolution

    Alice M Clement, Tom J Challands ... John A Long
    Cranial endocasts of fossil and extant lungfish, analysed via tomography and novel principle component analyses designed for use with missing data, show that lungfish forebrain and inner ear regions show the most variation in brain shape evolution through time.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    lncRNA read-through regulates the BX-C insulator Fub-1

    Airat Ibragimov, Xin Yang Bing ... Paul Schedl
    A novel mechanism of gene regulation is discovered wherein a specific long non-coding RNA abolishes the blocking activity of chromatin insulator in the Drosophila HOX gene cluster.
    1. Cell Biology
    2. Physics of Living Systems

    Force propagation between epithelial cells depends on active coupling and mechano-structural polarization

    Artur Ruppel, Dennis Wörthmüller ... Martial Balland
    Combining micropatterning, traction force microscopy, and optogenetics, it is shown that epithelial cells actively respond to mechanical signals from neighboring cells.
    1. Developmental Biology

    Bi-fated tendon-to-bone attachment cells are regulated by shared enhancers and KLF transcription factors

    Shiri Kult, Tsviya Olender ... Elazar Zelzer
    The molecular identity of bi-fated tendon-to-bone attachment cells, which display a mixture of transcriptomes of two neighboring cell types, enables the formation of the unique transitional tissue of the enthesis.
    1. Medicine

    Coronary plaque composition influences biomechanical stress and predicts plaque rupture in a morpho-mechanic OCT analysis

    Andrea Milzi, Enrico Domenico Lemma ... Mathias Burgmaier
    Assessing plaque biomechanics by optical coherence tomography highlights the importance of the disrupting effects of plaque stress, bringing stress concentrations as the prime movers of plaque rupture back into clinical practice.

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