39 results found
    1. Plant Biology
    2. Developmental Biology

    Autocrine regulation of stomatal differentiation potential by EPF1 and ERECTA-LIKE1 ligand-receptor signaling

    Xingyun Qi, Soon-Ki Han ... Keiko U Torii
    The stomatal precursor cell uses autocrine peptide-receptor kinase signaling to self-inhibit its differentiation potential in order to ensure proper stomatal development on the plant epidermis.
    1. Plant Biology

    FRET kinase sensor development reveals SnRK2/OST1 activation by ABA but not by MeJA and high CO2 during stomatal closure

    Li Zhang, Yohei Takahashi ... Julian I Schroeder
    Development of a real-time SnRK2 kinase FRET reporter reveals rapid SnRK2 activation by ABA, but not by Methyl-Jasmonate or elevated CO2, while directly demonstrating basal SnRK2 activity in guard cells.
    1. Plant Biology

    Irreversible fate commitment in the Arabidopsis stomatal lineage requires a FAMA and RETINOBLASTOMA-RELATED module

    Juliana L Matos, On Sun Lau ... Dominique C Bergmann
    An adult stem-cell lineage terminally differentiates via recruitment of the RETINOBLASTOMA-RELATED protein by a lineage specific transcription factor.
    1. Plant Biology

    Tuning self-renewal in the Arabidopsis stomatal lineage by hormone and nutrient regulation of asymmetric cell division

    Yan Gong, Julien Alassimone ... Dominique C Bergmann
    Quantitative live-cell time-lapse imaging reveals that the spatial and temporal degree of cortical polarity domains reflects stem-cell division capacity in cells of the Arabidopsis plant leaf epidermis.
    1. Plant Biology

    The manifold actions of signaling peptides on subcellular dynamics of a receptor specify stomatal cell fate

    Xingyun Qi, Akira Yoshinari ... Keiko U Torii
    A binary cell fate decision to be or not to be stomata is regulated by multiple peptide ligands, each triggering a unique subcellular dynamics of their shared receptor.
    1. Developmental Biology
    2. Plant Biology

    Opposite polarity programs regulate asymmetric subsidiary cell divisions in grasses

    Dan Zhang, Roxane P Spiegelhalder ... Michael T Raissig
    The formation of stomatal 'helper cells' (=subsidiary cells) in grasses requires two opposing polarity domains with diverse roles in establishing division asymmetry.
    1. Plant Biology

    Calcium specificity signaling mechanisms in abscisic acid signal transduction in Arabidopsis guard cells

    Benjamin Brandt, Shintaro Munemasa ... Julian I Schroeder
    The calcium-dependent signaling pathway during ABA-dependent stomatal closure requires the calcium-independent pathway, and calcium signaling specificity is mediated by PP2C protein phosphatases.
    1. Plant Biology

    Temporal network analysis identifies early physiological and transcriptomic indicators of mild drought in Brassica rapa

    Kathleen Greenham, Carmela Rosaria Guadagno ... C Robertson McClung
    Coupled physiology and gene expression, measured over a two-day time course, reveals specific time-of-day responses to the early stages of drought in Brassica rapa.
    1. Evolutionary Biology

    Rapid diversification associated with a macroevolutionary pulse of developmental plasticity

    Vladislav Susoy, Erik J Ragsdale ... Ralf J Sommer
    Evolutionary novelty is promoted by a macroevolutionary pulse of developmental plasticity, but is enhanced by secondary fixation, which permits developmental character release and further morphological exploration.
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    1. Plant Biology

    Proximity labeling of protein complexes and cell-type-specific organellar proteomes in Arabidopsis enabled by TurboID

    Andrea Mair, Shou-Ling Xu ... Dominique C Bergmann
    Proximity-labeling using engineered biotin ligases TurboID and miniTurbo enables detection of cell-type-specific and low abundance protein complexes and subcellular proteomes in Arabidopsis and other plants.

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