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  • Light-induced ‘speckles’, or photobodies, have been long known in plants, but the mechanistic basis of their formation along with their cellular function have remained a mystery. Answers to both questions have now been provided.

    • Peter H. Quail
    News & Views
  • MicroRNAs are key mobile players in many developmental and stress response pathways within plants. The role of miRNAs has now been expanded to include functioning as exogenously applied effectors and also plant-to-plant communicators of gene regulatory programs.

    • Christopher A. Brosnan
    • Neena Mitter
    News & Views
  • On 13 June 2021, the people of Switzerland voted on two popular initiatives that aimed to introduce stricter pesticide policies. Both initiatives were rejected, but the political and societal debate led to large changes in governmental and industry policies.

    • Robert Finger
  • Anthropogenic climate change is often portrayed as a consequence of industrialization powered by fossil fuel consumption. However, agriculture also plays a role in this complex system of causes and effects.

  • By quantifying over 100 Cannabis samples for terpene and cannabinoid content and genotyping them for over 100,000 single nucleotide polymorphisms, this study finds that Cannabis labelling is associated with genetic variants in terpene synthase genes.

    • Sophie Watts
    • Michel McElroy
    • Sean Myles
    Brief Communication Open Access
  • Plants have developed defences against herbivores, but with multiple threats at different times, those defences may be compromised. This experiment finds that plants adapt over time to anticipate prevalent herbivores and common patterns of attack.

    • Daan Mertens
    • Maite Fernández de Bobadilla
    • Erik H. Poelman
  • Cryptochromes (CRYs) perform various functions in both plants and animals, including photoperception and circadian regulation. Now it is shown in Arabidopsis that blue light induces liquid–liquid phase separation of CRY2, co-condensing the interacting m6A writer and altering epitranscriptome with respect to the circadian clock.

    • Xu Wang
    • Bochen Jiang
    • Chentao Lin
  • This study shows that miRNAs produced by plants act as signalling molecules that affect gene expression in nearby plants. This RNAi induced by exogenous miRNAs enables communication between plants and requires the production of secondary siRNAs.

    • Federico Betti
    • Maria Jose Ladera-Carmona
    • Pierdomenico Perata
    Article Open Access
  • The coat protein complex II (COPII) is a type of specialized vesicle coat protein that mediates vesicle trafficking from the endoplasmic reticulum (ER) to the Golgi apparatus. A population of giant COPII vesicles is identified and shown to be produced in response to the plant hormone abscisic acid (ABA) and abiotic stresses in Arabidopsis.

    • Baiying Li
    • Yonglun Zeng
    • Liwen Jiang
  • In plant miRNA biogenesis, DCL1 cleaves pri-miRNA and pre-miRNA sequentially. This study reports the cryo-EM structures of Arabidopsis DCL1 complexed with the two substrates and uncovers the domains that are key for substrate recognition and transfer.

    • Xiaobin Wei
    • Huanhuan Ke
    • Yu Feng
  • Sugar transport proteins (STPs) that are responsible for glucose uptake in plant cells play fundamental roles in plant growth, development and stress responses. High-resolution structures of Arabidopsis STP10 with glucose and protons bound are now resolved at two conformations, outward-occluded and inward-open, providing a general model for proton/glucose symport in STPs.

    • Laust Bavnhøj
    • Peter Aasted Paulsen
    • Bjørn Panyella Pedersen
  • Over this summer the world’s elite athletes have been competing at the Olympic and Paralympic Games in Tokyo. Perhaps it is time to celebrate the athletic abilities of plants.

  • Biological membrane bilayers typically have distinct phospholipid compositions in the two leaflets, which require lipid translocation mediated by transporters called lipid flippases. These proteins are crucial for cell survival and various physiological activities in eukaryotic cells. This Review discusses the current knowledge of lipid flippases in plants.

    • Rosa L. López-Marqués
    Review Article
  • By adding high-resolution climatic factors to an innovative genotype-by-environment model, a study using high-quality data of global wheat trials demonstrates that climate change affects wheat breeding and that region-specific breeding efforts that target heat-tolerance traits achieve better yield stability in a warming climate.

    • Huihui Li
    • Zhonghu He
    News & Views
  • This Review summarizes the current status of base editors and prime editors in plants, reporting both technological developments and biological applications of these precise genome editors.

    • Kutubuddin A. Molla
    • Simon Sretenovic
    • Yiping Qi
    Review Article
  • The genome of a magnoliid, Aristolochia fimbriata, shows no evidence of whole-genome duplication, a feature uniquely shared with Amborella trichopoda, the sister species to all other angiosperms. This ancestral structure of the Aristolochia genome offers great opportunities for comparative genomics.

    • Zhen Li
    • Yves Van de Peer
    News & Views