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Protocols:HeliScopeCAGE read alignment: Difference between revisions

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The data sequenced on Heliscope sequencers are post processed, in order to:  
The data sequenced on Heliscope sequencers are post processed, in order to:  
   
   
*Discard the CAGE tags derived from the ribosomal DNA repeating unit, which is not contained in the genome assembly, by rRNAdust (developed by Timo Lassmann)
*Discard the CAGE tags derived from the ribosomal DNA repeating unit, which is not contained in the genome assembly, by rRNAdust (developed by Timo Lassmann). See [[Protocols:rRNAdust]]
*Align the remained CAGE tags with the genome sequences with DELVE (developed by Timo Lassmann), which generate BAM files containing a single mapped position per read with mapping quality and alignments.
*Align the remained CAGE tags with the genome sequences with DELVE (developed by Timo Lassmann), which generate BAM files containing a single mapped position per read with mapping quality and alignments.
*Retain only those reads with mapping quality corresponding to a 99% accuracy.
*Retain only those reads with mapping quality corresponding to a 99% accuracy.
*Aggregate the 5'-end of those mapped CAGE tags as CAGE transcription starting site (CTSS)
*Aggregate the 5'-end of those mapped CAGE tags as CAGE transcription starting site (CTSS).

Revision as of 14:40, 30 August 2012

The data sequenced on Heliscope sequencers are post processed, in order to:

  • Discard the CAGE tags derived from the ribosomal DNA repeating unit, which is not contained in the genome assembly, by rRNAdust (developed by Timo Lassmann). See Protocols:rRNAdust
  • Align the remained CAGE tags with the genome sequences with DELVE (developed by Timo Lassmann), which generate BAM files containing a single mapped position per read with mapping quality and alignments.
  • Retain only those reads with mapping quality corresponding to a 99% accuracy.
  • Aggregate the 5'-end of those mapped CAGE tags as CAGE transcription starting site (CTSS).