NONHSAT021826

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Annotated Information

Name

SNHG1: Small nucleolar RNA host gene 1.

UHG: U22 host gene

Characteristics

Spliced transcript with a number of short exons (>40bp) and snoRNA containing introns (Tycowski (1996)).
Transcriptional start site has characteristics of 5' TOP gene family (Tycowski (1996)).
~1.1kb transcript in human (Tycowski (1996)).
Contains 8 (maybe 9) snoRNAs in human, 8 in mouse (Tycowski (1996)).

Function

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Expression

Localised to the cytoplasm and associates with ribosomes ((Pelczar 1998)).

RNA unstable in both human and mouse cells ((Tycowski 1996), (Friedel 2009), (Clark 2012)), can be stabilised by inhibition of protein synthesis. This suggests SNHG1 may be sensitive to nonsense mediated decay and could be therefore be "translated" but perhaps only to degrade it ((Tycowski 1996)).

Up-regulated during lineage restriction of neural stem cells into bipotent neuronal/oligodendrocyte progenitors in vitro ((Mercer 2010)).

Conservation

Mouse SNHG1 is in a syntenic position with the human host gene. However, there is little conservation of exonic sequence compared to intronic snoRNA sequence (Tycowski (1996), Tanaka-Fujita (2007)).

Misc

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Transcriptomic Nomeclature

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Regulation

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Allelic Information and Variation

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Evolution

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Labs working on this lncRNA

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References

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Basic Information

Transcript ID	NONHSAT021826
Source	NONCODE4.0
Same with	,
Classification	intergenic
Length	1134 nt
Genomic location	chr11-:62619460..62623360
Exon number	11
Exons	62619460..62620153,62620283..62620311,62620547..62620587,62621024..62621062,62621273..62621305,62621490..62621536,62621991..62622023,62622360..62622410,62622605..62622688,62622896..62622938,62623337..62623360
Genome context
Sequence	000001 GTTCTCATTT TTCTACTGCT CGTGGATTTA CGCGCACGTT GGAACCGAAG AGAGCTCTGT TGTTGCAATG TTCAGCCCAC 000080 000081 AAGAGCTTAC TGGTGAAGGA ATGGGACAAG ACCCATCTTT ATGCAAAGCC AGCGTTACAG TAATGTTCCA GCATCTCATA 000160 000161 ATCTATCCTG GGGAATTCAG CTGCCTCCCA GGGTGAATAC AGGTATTCCT GATGACAGTC TGCCTCTATC TTACAGAGCA 000240 000241 GCTTGTTGCT ATATACCATT GAAAAGCCTT CAGAGCTGAG AGGTACTACT AACCAATAAC CTGCTTGGCT CAAAGGGCCA 000320 000321 GCACCTTCTC TCTAAAGCCC AAGAGGAGTT TGAGGAAAAC TAGGTGTCTG TGTTCACTCC AGGCTGAAGT TACAGGTCTG 000400 000401 AGCAAATAAG GTGTATAAAA AATGGAATCT GTCTTGGAGG ACATCAGAAG GTGAATTTTC CAAGTTCTTG GACAACCTAG 000480 000481 CTGTTGAAAA GCTTTCTGGG TTTGGGGGGT ATTTCAGATG TACCTTAAAG TGTTAGCAGA CACAGATTAA GACACTGGGA 000560 000561 GCCAATGAAA CAGCAGTTGA GGGTTTGCTG TGTATCACAT TTCTGTATTT TATCACCCCC TTCCTGCAAC ATTATTTATC 000640 000641 TGGAATCTAC CTGCCCTTTT GTTTTTTAGA TACAAGGGCT TGGTTTTGTT ACCCAGGCTG GTTTCAAGGC CATAGCTTTA 000720 000721 AGAGATCCTC TCACCACAGA TTTCCAAAGT GCTGGGATTG CAGGTGTGAT TCATGGCACC CAGACTTTGC TGCCTTTCTT 000800 000801 ACATGATCCA GGCCCAGAAC CCAAACTCAG GCACTGTATA GATGACCACT TTCGTAAACT ACTGACCTAG CTTGTTGCCA 000880 000881 ATTGTTGATT GAACTTCCCA TAACTCCACT TCGTGTCTGT TCCTCTGTAT ACAGCCACCT TCTGTTCCCG TCATGAGCCT 000960 000961 TTAGGTCTCC ATTTGCATAT TGCAAATACT ATGTTCCATG TAGGTAGCTC ATTCAGGGCC TTGCTCTTCA CTTCAAAAAA 001040 001041 GGTTCCCTTG AGGACTGGCT GTCAATTTGT GTTGCTGTGT TGGTTGTTGA TGAAAATAAT AAAATGATTG ATTACATAAA 001120 001121 AAAAAAAAAA AAAA

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