Abstract
Long non-coding RNAs (lncRNAs) have emerged as important regulators of gene expression in a variety of biological process and in multiple species. In plants, they are transcribed by different RNA polymerases and show diverse structural features. With the aid of next-generation sequencing technologies, a large number of lncRNA have been identified in model plants as well as in crops. This review focuses on the demonstration that lncRNAs control root system architecture, notably in response to phosphate availability, through regulation of transcription, alternative splicing, microRNA activity, messenger RNA stability and translation, illustrating remarkable diversity in their roles in regulating developmental plasticity.
Highlights
Plants are genetically predisposed to continuously adapt their cellular metabolism and development to changes in the environment
Most of Long non-coding RNAs (lncRNAs) identified in eukaryotes are likely to be transcribed by RNA polymerase II in a process in plants involving the eukaryotic multi-subunit protein complex Mediator (Kim et al, 2011)
Plant specific RNA polymerases IV and V, which evolved from polymerase II (pol II) (Vaughn and Martienssen, 2005), act in lncRNA biogenesis and function to create a more complex lncRNA population
Summary
Plants are genetically predisposed to continuously adapt their cellular metabolism and development to changes in the environment. Most of lncRNAs identified in eukaryotes are likely to be transcribed by RNA polymerase II (pol II) in a process in plants involving the eukaryotic multi-subunit protein complex Mediator (Kim et al, 2011).
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