Holmes D S, Mayfield J E, Sander G, Bonner J
Science. 1972 Jul 7;177(4043):72-4. doi: 10.1126/science.177.4043.72.
We describe the properties of a special class of RNA associated with chromatin. We discuss why this RNA should be considered a distinct class of RNA and not an artifactual degradation product of either transfer or ribosomal RNA.