Mobile silencing in plants: what is the signal and what defines the target

Liang, Dacheng, Finnegan, E. Jean, Dennis, Elizebeth S., Waterhouse, Peter M., & Wang, Ming-Bo (2011) Mobile silencing in plants: what is the signal and what defines the target. Frontiers in Biology, 6(2), pp. 140-146.

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RNA-mediated silencing in plants can spread from cell to cell and over a long distance, and such mobile silencing has been extensively studied in the past decade. However, major questions remain as to what is the exact nature of the mobile silencing signals, how the components of the RNA-directed DNA methylation pathway are involved, and why systemic spread of silencing has only been observed for transgenes but not endogenous genes. In this review, we provide an overview of the current knowledge on mobile gene silencing in plants and present a model where systemic silencing involves long nuclear RNA transcripts that serve as a template to amplify primary siRNA signals.

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3 citations in Scopus
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ID Code: 65868
Item Type: Journal Article
Refereed: Yes
DOI: 10.1007/s11515-011-1145-3
ISSN: 1674-7992
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > PLANT BIOLOGY (060700)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Springer
Deposited On: 08 Jan 2014 06:20
Last Modified: 03 Jul 2017 17:43

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