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Published December 3, 2020 | Version v0.23.0
Software Open

vib-singlecell-nf/vsn-pipelines: v0.23.0

  • 1. VIB-KU Leuven Center for Brain & Disease Research
  • 2. @aertslab

Description

Major changes:

Implement the scATAC-seq preprocessing workflow (#245):

  • Barcode correction [singlecelltoolkit, #249]
  • "Debarcode" fastq files:
    • 10x [single_cell_toolkit, #249]
    • BioRad [BAP, #246]
  • Adapter Trimming [Trim Galore / Cutadapt, #242]
  • Mapping [bwa mem, #243]
    • mark duplicates [samtools markdup, #243]
  • Generate fragments file [Sinto, #244]

Other scATAC-seq notes:

  • Currently compatible with 10x-format fastq files (R1, R2[barcode reads], R3), and BioRad (R1, R2), which are processed with BAP.
  • Added documentation for preprocessing steps
  • The scATAC-seq workflows are in main_atac.nf and need to be referenced with the full path: vib-singlecell-nf/vsn-pipelines/main_atac.nf when running the pipeline.
  • Added two additional input data types to getDataChannel: bam and fragments, both of which are loaded with their associated index file.
Other scRNA-seq tool changes:
  • celeda
    • Add ability to remove empty cells after applying DecontX
    • Fix plotting bug when no outliers are found
    • Add cell_annotate config entry
  • scanpy
    • Add clustering preflight checks (vib-singlecell-nf/scanpy/issues/48)
    • Fixes to limit cpu usage in various processes.
    • Adaptive threshold cell filtering threshold (vib-singlecell-nf/scanpy/issues/47)
    • Add qc plots for n_counts filter in report notebook
    • Add single_sample_qc workflow
    • Bug fixes for mnncorrect, clustering, pca inputs
  • pcacv
    • Adapt *-n-pc and k parameters if violating requirement of data dimensionality
    • Handle cases where no optimal number of PCs are found (vib-singlecell-nf/pcacv/issues/15)
    • Fix arguments passed to run_pca_cv.R
    • Fix vib-singlecell-nf/pcacv/issues/14
  • sratoolkit
    • Fix missing assignment operator in config

Files

vib-singlecell-nf/vsn-pipelines-v0.23.0.zip

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Additional details