Plant morphogenesis articles within Nature

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• Letter | 09 January 2019

  Mobile PEAR transcription factors integrate positional cues to prime cambial growth

  Radial growth in the roots of Arabidopsis, which is mediated by gene expression activated by the mobile PEAR1 and PEAR2 transcription factors, is initiated around protophloem-sieve-element cell files of procambial tissue.

  • Shunsuke Miyashima
  • , Pawel Roszak
  •  & Ykä Helariutta

• Letter | 09 January 2019

  High levels of auxin signalling define the stem-cell organizer of the vascular cambium

  In the roots of Arabidopsis thaliana, cells with xylem identity and high levels of auxin signalling function as organizer cells that direct neighbouring vascular cambial cells to act as stem cells.

  • Ondřej Smetana
  • , Riikka Mäkilä
  •  & Ari Pekka Mähönen