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Seeing the forest for the trees: annotating small RNA producing genes in plants
- Coruh, Ceyda, Shahid, Saima, Axtell, Michael J
- Current opinion in plant biology 2014 v.18 pp. 87-95
- genes, genomics, microRNA, proteins, sequence analysis, small interfering RNA
- A key goal in genomics is the complete annotation of the expressed regions of the genome. In plants, substantial portions of the genome make regulatory small RNAs produced by Dicer-Like (DCL) proteins and utilized by Argonaute (AGO) proteins. These include miRNAs and various types of endogenous siRNAs. Small RNA-seq, enabled by cheap and fast DNA sequencing, has produced an enormous volume of data on plant miRNA and siRNA expression in recent years. In this review, we discuss recent progress in using small RNA-seq data to produce stable and reliable annotations of miRNA and siRNA genes in plants. In addition, we highlight key goals for the future of small RNA gene annotation in plants.