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snpArcher

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A Snakemake workflow for whole-genome resequencing and variant calling, designed for non-model organisms.

snpArcher takes you from raw FASTQ reads (or SRA accessions) to a filtered, analysis-ready VCF. It handles trimming, alignment, variant calling, joint genotyping, quality control, and postprocessing in a single reproducible pipeline. Built for researchers working with non-model organisms (birds, fish, insects, plants, and everything else without a curated reference panel).

What does snpArcher do?

snpArcher pipeline overview

Plus optional modules for QC dashboards and postprocessing/filtering.

Where to start

I want to… Go to…
Install snpArcher Installation guide
Verify my install works Quickstart
Process my own data end-to-end Your first project
Look up a config option Config schema
Understand the pipeline design Architecture

Citing snpArcher

If you use snpArcher in your research, please cite:

Mirchandani, C.D. et al. (2024). A fast, reproducible, high-throughput variant calling workflow for population genomics. Molecular Biology and Evolution, 41(1), msad270. doi:10.1093/molbev/msad270