SNOntology: Myriads of novel snornas or just a mirage?

BMC Genomics

Table 4 Numbers of C/D box snoRNAs in human genome reported by different groups

Data resourse	Number of C/D box snoRNA	Released year	References
snoRNA-LBME-db	269	2006	[3]
The HUGO Gene Nomenclature Committee	272	2011	[53]
Rfam (release 10.0)	223	2010	[44]
ENSEMBL (release 63)	460 (593)*	2011	[54]
ENSEMBL (release 50)**	387 (502)*	2008	[27]
Reported by M&K	141	2009	[16]
Reported by M&K	20	2011	Additional file four of M&K

* Numbers of C/D box snoRNAs excluding U3 and U13 are given. Copy numbers of those two snoRNA families are shown in brackets.
** The version of ENSEMBL database used in our previous study [18].

ISSN: 1471-2164