218 results found
    1. Plant Biology

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

    Benjamin Brandt et al.
    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

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

    Li Zhang et al.
    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

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

    Andrea Mair et al.
    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.
    1. Cell Biology
    2. Plant Biology

    FRET-based reporters for the direct visualization of abscisic acid concentration changes and distribution in Arabidopsis

    Rainer Waadt et al.
    Fluorescent sensors can track the movement and distribution of the plant hormone abscisic acid in roots and leaves in Arabidopsis.
    1. Neuroscience

    The structure and organization of lanceolate mechanosensory complexes at mouse hair follicles

    Lishi Li, David D Ginty
    Close examination of lanceolate mechanosensory complexes has revealed clues about the ways that sensory nerves detect the movement of hairs and shown than terminal Schwann cells are needed to maintain and regenerate these intricate structures.
    1. Plant Biology

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

    Juliana L Matos et al.
    An adult stem-cell lineage terminally differentiates via recruitment of the RETINOBLASTOMA-RELATED protein by a lineage specific transcription factor.
    1. Plant Biology

    A chloroplast retrograde signal, 3’-phosphoadenosine 5’-phosphate, acts as a secondary messenger in abscisic acid signaling in stomatal closure and germination

    Wannarat Pornsiriwong et al.
    Molecular signals from chloroplasts can synergistically interact with the plant hormone, abscisic acid (ABA), to regulate non-canonical signaling pathways mediating fundamental cellular processes including stomatal closure, seed dormancy and germination.
    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. Evolutionary Biology
    2. Genetics and Genomics

    Recurrent evolution of high virulence in isolated populations of a DNA virus

    Tom Hill, Robert L Unckless
    The same host–virus interactions can evolve multiple times in nature, due to the high effective mutation rate of viruses, and provide interesting systems of study.

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