Common Functions for Diverse Small RNAs of Land Plants

Common functions for diverse small RNAs of land plants.

Endogenous small RNAs, including microRNAs (miRNAs) and short interfering RNAs (siRNAs), are critical components of plant gene regulation. Some abundant miRNAs involved in developmental control are conserved between anciently diverged plants, while many other less-abundant miRNAs appear to have recently emerged in the Arabidopsis thaliana lineage. Using large-scale sequencing of small RNAs, we ...

Diverse Functions of Small RNAs in Different Plant–Pathogen Communications

RNA silencing is a conserved mechanism that utilizes small RNAs (sRNAs) to direct the regulation of gene expression at the transcriptional or post-transcriptional level. Plants utilizing RNA silencing machinery to defend pathogen infection was first identified in plant-virus interaction and later was observed in distinct plant-pathogen interactions. RNA silencing is not only responsible for sup...

Small Nucleolar RNAs An Abundant Group of Noncoding RNAs with Diverse Cellular Functions

Small nucleolar RNAs represent an abundant, evolutionarily ancient group of noncoding RNAs which possess impressively diverse functions ranging from 2'-O-methylation and pseudouridylation of various classes of RNAs, through nucleolytic processing of rRNAs to the synthesis of telomeric DNA.

REV IEW Functions of microRNAs and related small RNAs in plants

MicroRNAs (miRNAs) and short interfering RNAs (siRNAs), 20to 27-nt in length, are essential regulatory molecules that act as sequence-specific guides in several processes in most eukaryotes (with the notable exception of the yeast Saccharomyces cerevisiae). These processes include DNA elimination, heterochromatin assembly, mRNA cleavage and translational repression. This review focuses on the r...

Structure - Functions Relations in Small Interfering RNAs