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Outputs

Author: SeekGene
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Updated: 2026-05-12
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scMethyl + RNA-seq Outputs

Output Directory Structure

The final result layout under --outdir is organized as follows:

  • fastp/: QC reports for raw FASTQ files and post-barcode-extraction FASTQ files
  • ${sample}/${sample}_exp/: transcriptome analysis results, including filtered matrices, clustering, and differential expression outputs
  • ${sample}/${sample}_methy/step1/: barcode-parsed and sharded methylation FASTQ files
  • ${sample}/${sample}_methy/step2/: Bismark BAM files and mapping reports
  • ${sample}/${sample}_methy/step3/: per-cell BAMs, merged BAMs, ALLC files, merged ALLC files, and MCDS datasets
  • ${sample}/${sample}_methy/step4/: methylation reduction, clustering, and visualization outputs
  • ${sample}/: sample-level summary reports, including methylation summaries and the joint RNA-methylation HTML report
  • Nextflow run artifacts: execution_report.html, execution_timeline.html, pipeline_dag.html, and execution_trace.txt

Important Result Files

Common files and directories include:

  • ${sample}_methy_summary.json: summary metrics for methylation processing
  • ${sample}_wgs_summary.csv: methylation summary table
  • ${sample}_rna_methyl_report.html: integrated transcriptome plus methylation report
  • split_bams/: single-cell BAM files grouped by cell barcode
  • allcools/: per-cell ALLC files
  • allcools_generate_datasets/: MCDS datasets for downstream methylation analysis
  • ${sample}.mcds: multi-scale methylation dataset produced by ALLCools
  • *.CGN-Merge*: CG context merged ALLC outputs

How to Use Intermediate BAM Outputs

If you need single-cell BAM files for downstream analyses such as CNV or custom post-processing, see:

If you need PCR deduplication for downstream read-count-sensitive analysis, see:

Notes

  • split_bams/ contains raw single-cell alignments and is not PCR-deduplicated by default.
  • allcools/ and allcools_generate_datasets/ are the main entry points for methylation downstream analysis.
  • The exact presence of some result files depends on the workflow used, especially whether you ran rna_met or methy_only.
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