Plant signalling articles from across Nature Portfolio

Plant signalling involves the conveying of information within and between plant cells from receptor systems to effectors. Signals can take many forms, including chemical and electrical, and signalling can occur locally within a single plant or between different plants, including plants of different species.

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  • News & Views |

    Epidermal trichomes function as mechanosensors, but how trichome-less plants perceive mechanical forces remains unclear. Touching epidermal pavement cells with micro-cantilevers, we discovered distinct cytosolic calcium waves upon application and release of small forces. Thus, not only do plants perceive forces independently of trichomes, they may also distinguish touch from letting go.

  • News & Views |

    The flat structure of a leaf blade enables it to function as a photosynthetic organ for efficient light capture. The leaf rim or the edge-most region of leaf margin directs the planar growth of both leaves and ligules in grasses.

    • Jie Zhang
    •  & Hilde Nelissen
    Nature Plants 9, 691-692
  • News & Views |

    Various clades of legume plants irreversibly modify the development of their symbiotic nitrogen-fixing microorganisms. Key transcription factors controlling this process have been identified. They are conserved and functional even in plant species that do not induce such a terminal differentiation.

    • Benjamin Gourion
    Nature Plants 9, 199-200