In the latter case , there is evidence that the Microprocessor complex interacts with the spliceosome and that the pri - miRNA processing occurs prior to splicing .
Pri - miRNA substrates can be derived either from non-coding RNA genes or from introns .
In the latter case , there is evidence that the Microprocessor complex interacts with the spliceosome and that the pri - RNA processing occurs prior to splicing .
Pri - miRNA substrates can be derived either from non-coding RNA genes or from introns .