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    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Concentration dependent chromatin states induced by the bicoid morphogen gradient

    Colleen E Hannon, Shelby A Blythe, Eric F Wieschaus
    Interplay between protein concentration, DNA binding and remodeling of the chromatin landscape in early embryogenesis determines how a single transcription factor can specify multiple distinct gene expression states.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Two distinct DNA sequences recognized by transcription factors represent enthalpy and entropy optima

    Ekaterina Morgunova, Yimeng Yin ... Jussi Taipale
    The epistasis observed in TF-DNA binding preferences can be explained by the presence of two optima of very similar Gibbs energy that are located relatively far from each other in sequence space.
    1. Developmental Biology

    NKX2-5 mutations causative for congenital heart disease retain functionality and are directed to hundreds of targets

    Romaric Bouveret, Ashley J Waardenberg ... Richard P Harvey
    Some NKX2-5 mutations that cause congenital heart disease retain transcriptional activity and can bind to many off-target genes, in part through their interactions with cofactors.
    1. Cell Biology

    Ret function in muscle stem cells points to tyrosine kinase inhibitor therapy for facioscapulohumeral muscular dystrophy

    Louise A Moyle, Eric Blanc ... Peter S Zammit
    Rescue of DUX4-induced muscle pathology by the RET inhibitor Sunitinib reveals the therapeutic potential for treatment of Facioscapulohumeral muscular dystrophy using tyrosine kinase inhibitors.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Cis-regulatory basis of sister cell type divergence in the vertebrate retina

    Daniel P Murphy, Andrew EO Hughes ... Joseph C Corbo
    While photoreceptor and bipolar cells exhibit very similar cis-regulatory grammars, subtle differences in homeodomain motif enrichment represent a key distinction driving the divergence in their transcriptomes.
    1. Developmental Biology
    2. Genetics and Genomics

    Lhx2 is a progenitor-intrinsic modulator of Sonic Hedgehog signaling during early retinal neurogenesis

    Xiaodong Li, Patrick J Gordon ... Edward M Levine
    The LIM-homedomain transcription factor Lhx2 confers competence to retinal progenitor cells to activate and maintain Sonic Hedgeghog signaling at physiological levels during a key phase of tissue growth and cell type generation.
    1. Developmental Biology
    2. Evolutionary Biology

    Deep evolutionary origin of gamete-directed zygote activation by KNOX/BELL transcription factors in green plants

    Tetsuya Hisanaga, Shota Fujimoto ... Keiji Nakajima
    Gamete-derived three-amino-acid-loop-extension homeodomain proteins activate zygote development in a strikingly similar manner between basal land plants and green algae, indicating an ancestral role of these transcription factors in green plants.
    1. Developmental Biology

    Gene regulatory patterning codes in early cell fate specification of the C. elegans embryo

    Alison G Cole, Tamar Hashimshony ... Itai Yanai
    The transcriptomes of individual cells of the 1- to 102-cell stages in Caenorhabditis elegans embryogenesis are identified along with 119 embryonic cell states during cell fate specification, including ‘equivalence-group’ cell identities.
    1. Developmental Biology
    2. Physics of Living Systems

    Mechanism of life-long maintenance of neuron identity despite molecular fluctuations

    Joleen JH Traets, Servaas N van der Burght ... Jeroen S van Zon
    Differential binding kinetics of a master regulator to its target promoters can prevent spontaneous cell fate loss in a Caenorhabditis elegans neuron whose fate is controlled by a reversible switch.