Regions of non-coding RNA were mapped in several early experiments examining "S. Cerevisiae" using a tiling array approach, which indicated that a large amount of transcriptional activity could be attributed to the intergenic region of the genome.
Regions of non-coding RNA were mapped in several early experiments. These several early experiments were examining "S. Cerevisiae". These several early experiments were using a tiling array approach. A large amount of transcriptional activity could be attributed to the intergenic region of the genome. This was what a tiling array approach indicated.