fls-bioinformatics-core / auto_process_ngs

Scripts and utilities for automatic processing & management of Illumina NGS sequencing data.
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'make_fastqs': strip trailing Ns from index sequences in sample sheets #875

Open pjbriggs opened 1 year ago

pjbriggs commented 1 year ago

Proposal to strip any trailing Ns from index sequences in sample sheets in the make_fastqs command/pipeline. For example:

SM1,SM1,,,,,CCGCGGTTNNNNNNN,,CTAGCGCT,Test,

should be transformed to

SM1,SM1,,,,,CCGCGGTT,,CTAGCGCT,Test,

While BaseSpace treats Ns as matching any base, bcl2fastq cannot handle the presence of Ns.