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Showing 1–6 of 6 results
Advanced filters: Author: Renze Heidstra Clear advanced filters

  • Arabidopsis embryonic root development involves the formation of distinct cell types and tissues in a tightly regulated and thereby highly predictable spatio-temporal manner. A crosstalk between maternal and embryonic genes orchestrates division orientation and fate specification to control root development.

    • Jana Wittmer
    • Renze Heidstra
    News & Views
    Nature Plants
    Volume: 8, P: 607-608

  • As in animals, plant stem cells reside in stem cell niches, which produce signals that regulate the balance between self-renewal and differentiation into new tissues. Continuous organ production that is characteristic of plant growth requires a robust regulatory network to maintain this balance. Elucidating this network provides an opportunity to compare plant and animal stem cell strategies.

    • Renze Heidstra
    • Sabrina Sabatini
    Reviews
    Nature Reviews Molecular Cell Biology
    Volume: 15, P: 301-312

  • The PLETHORA (PLT) family of transcription factors are essential for defining the root stem cell niche. The PLT proteins are expressed in gradients with a high point in the stem cell area and act in a dose-dependent manner to dictate the size of the stem cell area and the size of the transit amplifying cells that make up the meristem. High levels of PLT activity promote stem cell identity and maintenance; lower levels promote division of stem cell daughters; and further reduced levels allow cell differentiation.

    • Carla Galinha
    • Hugo Hofhuis
    • Ben Scheres
    Research
    Nature
    Volume: 449, P: 1053-1057

  • Throughout the lifespan of a plant, the stem cell niches in the shoot and root apical meristems provide the cells for the formation of new tissues and organs. Here, evidence is presented that the signalling centres of both niches utilize related transcription factors, WUSCHEL and WOX5, respectively, to maintain neighbouring stem cells undifferentiated.

    • Ananda K. Sarkar
    • Marijn Luijten
    • Thomas Laux
    Research
    Nature
    Volume: 446, P: 811-814

  • Through a combination of experimental and computational approaches, the interplay between the plant hormone auxin and the auxin-induced PLETHORA transcription factors is shown to control zonation and gravity-prompted growth movements in plants.

    • Ari Pekka Mähönen
    • Kirsten ten Tusscher
    • Ben Scheres
    Research
    Nature
    Volume: 515, P: 125-129