Time Will Tell: Intercellular Communication in the Plant Clock

Maria L. Sorkin, Dmitri A. Nusinow

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations


Multicellular organisms have evolved local and long-distance signaling mechanisms to synchronize development and response to stimuli among a complex network of cells, tissues, and organs. Biological timekeeping is one such activity that is suggested to be coordinated within an organism to anticipate and respond to daily and seasonal patterns in the environment. New research into the plant clock suggests circadian rhythms are communicated between cells and across long distances. However, further clarity is required on the nature of the signaling molecules and the mechanisms underlying signal translocation. Here we summarize the roles and properties of tissue-specific circadian rhythms, discuss the evidence for local and long-distance clock communication, and evaluate the potential signaling molecules and transport mechanisms involved in this system.

Original languageEnglish
Pages (from-to)706-719
Number of pages14
JournalTrends in Plant Science
Issue number7
StatePublished - Jul 2021


  • circadian rhythms
  • grafting
  • intercellular signaling
  • tissue specific
  • transport


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