J Integr Plant Biol. ›› 2016, Vol. 58 ›› Issue (4): 328-342.DOI: 10.1111/jipb.12423

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RNA silencing movement in plants

Glykeria Mermigka, Frédéric Verret2 and Kriton Kalantidis1,2*   

  1. 1Department of Biology, University of Crete, Heraklion, Crete, Greece
    2Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Heraklion, Crete, Greece
  • Received:2015-03-05 Accepted:2015-08-20 Published:2016-04-11
  • About author:*Correspondence: E-mail: kriton@imbb.forth.gr

Abstract:

Multicellular organisms, like higher plants, need to coordinate their growth and development and to cope with environmental cues. To achieve this, various signal molecules are transported between neighboring cells and distant organs to control the fate of the recipient cells and organs. RNA silencing produces cell non-autonomous signal molecules that can move over short or long distances leading to the sequence specific silencing of a target gene in a well defined area of cells or throughout the entire plant, respectively. The nature of these signal molecules, the route of silencing spread, and the genes involved in their production, movement and reception are discussed in this review. Additionally, a short section on features of silencing spread in animal models is presented at the end of this review.

Key words: Cell non-autonomous, post-transcriptional gene silencing, RNA interference, short range silencing spread, systemic silencing, plant RNA silencing, transcriptional gene silencing

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