154 results found
    1. Evolutionary Biology
    2. Plant Biology

    Origin and evolution of the nuclear auxin response system

    Sumanth K Mutte et al.
    The system that controls gene expression by the plant signaling molecule auxin has deep evolutionary roots, and stepwise increases in system complexity shaped the highly diverse auxin response in land plants.
    1. Plant Biology

    Auxin-regulated chromatin switch directs acquisition of flower primordium founder fate

    Miin-Feng Wu et al.
    SWI/SNF chromatin remodeling complexes act as ‘gatekeepers’ for auxin responses and directly interact with the auxin response factor MONOPTEROS.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Constitutive auxin response in Physcomitrella reveals complex interactions between Aux/IAA and ARF proteins

    Meirav Lavy et al.
    The auxin-sensitive Aux/IAA transcriptional repressors regulate approximately 35% of the annotated genes in Physcomitrella patens and exhibit complex interactions with both the activating and repressing ARF transcription factors.
    1. Plant Biology

    Plant Biology: When the time is ripe

    Siobhan M Brady
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    1. Cell Biology
    2. Chromosomes and Gene Expression

    E3 ubiquitin ligase Bre1 couples sister chromatid cohesion establishment to DNA replication in Saccharomyces cerevisiae

    Wei Zhang et al.
    E3 ubiquitin ligase Bre1-induced H2B monoubiquitination is epigenetically important for recruiting replication factor Mcm10 and cohesion establishment factors Ctf4, Ctf18 and Eco1 to early replication origins to establish sister chromatid cohesion.
    1. Neuroscience

    Coordinated control of terminal differentiation and restriction of cellular plasticity

    Tulsi Patel, Oliver Hobert
    Transcription factors that specify the identity of individual neuron types via activating terminal differentiation gene batteries also restrict cellular plasticity via altering the chromatin landscape.
    1. Stem Cells and Regenerative Medicine

    Embryonic attenuated Wnt/β-catenin signaling defines niche location and long-term stem cell fate in hair follicle

    Zijian Xu et al.
    Long-term hair follicle stem cells arise by embryonic progenitor cells occupying a niche location that is defined by attenuated Wnt/β-catenin signal.
    1. Cell Biology
    2. Plant Biology

    Abscisic acid dynamics in roots detected with genetically encoded FRET sensors

    Alexander M Jones et al.
    Fluorescent sensors for the hormone abscisic acid have been developed using a high-throughput platform, and used to monitor hormone dynamics in plant roots and leaves.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Daple is a novel non-receptor GEF required for trimeric G protein activation in Wnt signaling

    Nicolas Aznar et al.
    Daple is a guanine nucleotide-exchange factor (GEF) for trimeric G proteins that enables Wnt/Frizzled receptors to transactivate G proteins during non-canonical Wnt signaling.

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