Expanding the Regulatory Network for Meristem Size in Plants

Mary Galli, Andrea Gallavotti

Research output: Contribution to journalReview articlepeer-review

40 Scopus citations


The remarkable plasticity of post-embryonic plant development is due to groups of stem-cell-containing structures called meristems. In the shoot, meristems continuously produce organs such as leaves, flowers, and stems. Nearly two decades ago the WUSCHEL/CLAVATA (WUS/CLV) negative feedback loop was established as being essential for regulating the size of shoot meristems by maintaining a delicate balance between stem cell proliferation and cell recruitment for the differentiation of lateral primordia. Recent research in various model species (Arabidopsis, tomato, maize, and rice) has led to discoveries of additional components that further refine and improve the current model of meristem regulation, adding new complexity to a vital network for plant growth and productivity.

Original languageEnglish (US)
Pages (from-to)372-383
Number of pages12
JournalTrends in Genetics
Issue number6
StatePublished - Jun 1 2016

All Science Journal Classification (ASJC) codes

  • Genetics


  • Arabinosylation
  • CLE peptides
  • Meristems

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