Circular RNAs (circ-RNAs), a novel class of noncoding RNAs, are a popular topic in animal research because they have potential as post-transcriptional regulators and diagnostic markers. Research in plants is only now emerging, but indicates that circ-RNAs could also be a crucial class of noncoding regulators.
Keywords: back-splicing; circular RNA; microRNA sponge; noncoding RNA; splice knot; spliceosome.
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