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Cazzaniga, S.

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Latest Research

  • Article |

    A new screen for Arabidopsis defective in Casparian strip formation identifies EXO70A1 as a central player. This subunit of the exocyst complex is needed for correct ring-like CASP1 localization, but its role is uncoupled from secretion.

    • Lothar Kalmbach
    • , Kian Hématy
    • , Damien De Bellis
    • , Marie Barberon
    • , Satoshi Fujita
    • , Robertas Ursache
    • , Jean Daraspe
    •  & Niko Geldner
  • Article |

    Lichens are symbioses of fungi and green algae or cyanobacteria. Here, the finding of 152 fossil lichens from Palaeogene amber greatly increases the number of known fossil lichens. Their morphologies show that the European Palaeogene amber forests were temperate and humid.

    • Ulla Kaasalainen
    • , Alexander R. Schmidt
    •  & Jouko Rikkinen
  • Letter |

    Setaria viridis is a panicoid grass that can serve as a simpler genetic model for crops, such as maize, and accelerate gene discovery. Here, an auxin influx transporter is identified in both plants as an inflorescence architecture regulator.

    • Pu Huang
    • , Hui Jiang
    • , Chuanmei Zhu
    • , Kerrie Barry
    • , Jerry Jenkins
    • , Laura Sandor
    • , Jeremy Schmutz
    • , Mathew S. Box
    • , Elizabeth A. Kellogg
    •  & Thomas P. Brutnell
  • Letter |

    While circular RNAs (circRNAs) have been identified in all eukaryotic kingdoms of life, their functions have remained elusive. Now, a study shows that circRNAs can promote alternative splicing of their cognate mRNA, thus driving homeotic phenotypes.

    • Vanessa M. Conn
    • , Véronique Hugouvieux
    • , Aditya Nayak
    • , Stephanie A. Conos
    • , Giovanna Capovilla
    • , Gökhan Cildir
    • , Agnès Jourdain
    • , Vinay Tergaonkar
    • , Markus Schmid
    • , Chloe Zubieta
    •  & Simon J. Conn
  • Letter |

    GW5 is a major rice quantitative trait locus for grain size. Through genetics experiments, and unlike previous reports, the causal gene is now linked to a calmodulin-binding protein that affects brassinosteroid signalling.

    • Jiafan Liu
    • , Jun Chen
    • , Xiaoming Zheng
    • , Fuqing Wu
    • , Qibing Lin
    • , Yueqin Heng
    • , Peng Tian
    • , ZhiJun Cheng
    • , Xiaowen Yu
    • , Kunneng Zhou
    • , Xin Zhang
    • , Xiuping Guo
    • , Jiulin Wang
    • , Haiyang Wang
    •  & Jianmin Wan

News & Comment

  • News and Views |

    A genetic screen in the model panicoid grass Setaria viridis reveals the importance of the auxin transporter AUX1 for inflorescence branching in maize, highlighting how model plants can accelerate gene discovery in complex crops.

    • Richard Sibout
  • Comment |

    The biodiversity of food plants is vital for humanity's capacity to meet sustainability challenges. This goal requires the rigorous integration of plant, environmental, social and health sciences. It is coalescing around four thematic cornerstones that are both interdisciplinary and policy relevant.

    • Karl S. Zimmerer
    •  & Stef de Haan
  • Editorial |

    If, as the former editor of The Washington Post Phil Graham said, “[journalism] is the first rough draft of history”, then it is sometimes worth looking back at recent news to try to identify the significant events among the noise.

Current Issue

Volume 3 Issue 4

Image: K. Baeg & H. Iwakawa. Cover Design: L. Heslop

Volume 3 Issue 4

Duplex silencing

Plants convert aberrant transcripts into double-stranded RNAs (dsRNAs), which trigger their post-transcriptional gene silencing (PTGS). The poly(A) tail, a hallmark of canonical mRNAs, inhibits such dsRNA conversion by RNA-DEPENDENT RNA POLYMERASE6 (RDR6), preventing 'self-attack' by PTGS.

See Nature Plants 3, 17036 (2017).

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