Thank you so much
Hello,
I am trying to download single cell RNA seq data from NCBI-SRA. The meta data says its paired end data, but when I download using fastq-dump --split-files command, only one file is getting generated. and in addition meta data specifies it has one read per spot. when I tried running this one fastq file in cell ranger tool, it showed error- asking for paired end file. What to do ? How to work with sc-RNA seq data?
1 answer
Single-cell data upload to NCBI is always pretty violent. Often one read is missing.
Easiest is to download the 10x BAM file that is included in the submission: https://trace.ncbi.nlm.nih.gov/Traces/?view=run_browser&acc=SRR10852476&display=data-access
It's under "Original format" at the link. Then use https://www.10xgenomics.com/support/software/cell-ranger/miscellaneous/cr-bamtofastq to get original fastq files from that.
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Which accession?
SRR10852476-SRA accession ID