How To Calculate Non-Transcribed Strand Mutation In Sequencing
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12.3 years ago
Liyf ▴ 30

Some researchers found mutations were significantly enriched in the non-transcribed DNA strand when doing next-generation sequencing, Is there any database for transcribed direction of every gene?

strand sequencing • 2.8k views
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Huh? Can you explain how a mutation could be present in the non-transcribed strand only? Maybe you could add a reference for the "Some researchers found..." part of your question.

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The paper is "Integrated analysis of somatic mutations and focal copy-number changes identifies key genes and pathways in hepatocellular carcinoma", in it they say G>T transversions were significantly enriched in the non-transcribed DNA strand. Thank you for your advice.

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Do you mean there are more transcription errors in the anti-sense transcribed mRNA? There can't be more mutations in the anti-sense DNA compared to sense DNA since they are complementary.

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Yes, I think so. But the paper "Integrated analysis of somatic mutations and focal copy-number changes identifies key genes and pathways in hepatocellular carcinoma", in it they say G>T transversions were significantly enriched in the non-transcribed DNA strand.

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12.3 years ago
Ido Tamir 5.2k

Every sane database of transcripts/genes includes the location of the transcripts together with the direction.

http://central.biomart.org/

http://genome.ucsc.edu/cgi-bin/hgTables?command=start

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