Abstract
Small nucleolar RNAs (snoRNAs) are among the most evolutionarily ancient classes of small RNA. Two experimental screens published in
BMC Genomics
expand the eukaryotic snoRNA catalog, but many more snoRNAs remain to be found.
See research articles
http://www.biomedcentral.com/1471-2164/10/515
and
http://www.biomedcentral.com/1471-2164/11/61
.