Plant sciences articles within Nature

Featured

  • Letter |

    During development in Arabidopsis plants, populations of shoot stem cells and root stem cells are established at the embryo's apical and basal poles, respectively. PLETHORA genes are master regulators of root fate, but the regulators of shoot fate were unknown. Here, CLASS III HOMEODOMAIN-LEUCINE ZIPPER genes are identified as master regulators of apical/shoot fate, and are shown to be sufficient to convert the embryonic root pole into a second shoot pole.

    • Zachery R. Smith
    •  & Jeff A. Long

  • News & Views |

    When environmental temperatures rise, plants seek help from their core molecular mechanisms to adapt. The chromatin protein H2A.Z, which regulates gene expression, is one such rescue molecule.

    • Roger B. Deal
    •  & Steven Henikoff

  • Letter |

    Plants and animals sense intruding pathogens by using proteins that recognize diverse microbe-associated molecular patterns (MAMPs) and initiate innate immune responses. Early signalling responses in the host include calcium influx, an oxidative burst and transcriptional reprogramming. Here, four calcium-dependent protein kinases are described that function as calcium sensors, act as convergence points for various MAMPs, and are crucial for transcriptional reprogramming and oxidative burst in plants.

    • Marie Boudsocq
    • , Matthew R. Willmann
    •  & Jen Sheen

  • News & Views |

    The photosynthetic apparatus of cryptophyte algae is odd — its pigments are farther apart than is expected for efficient functioning. A study into how this apparatus works so well finds quantum effects at play.

    • Rienk van Grondelle
    •  & Vladimir I. Novoderezhkin

  • Article |

    Form I Rubisco, one of the most abundant proteins in nature, catalyses the fixation of atmospheric CO2 in photosynthesis. The limited catalytic efficiency of Rubisco has sparked extensive efforts to re-engineer the enzyme to enhance agricultural productivity. To bring this goal closer, the formation of cyanobacterial form I Rubisco is now analysed by in vitro reconstitution and cryo-electron microscopy.

    • Cuimin Liu
    • , Anna L. Young
    •  & Manajit Hayer-Hartl

  • News & Views |

    The key enzyme in photosynthesis, Rubisco, is a relic of a bygone age. The ability to assemble Rubisco in the test tube offers the prospect of genetically manipulating the enzyme to make it fit for the modern world.

    • R. John Ellis

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