https://github.com/ameynert/nanoseq
Nanopore demultiplexing, QC and alignment pipeline
Science Score: 13.0%
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✓DOI references
Found 7 DOI reference(s) in README -
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Low similarity (12.8%) to scientific vocabulary
Last synced: 9 months ago
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Repository
Nanopore demultiplexing, QC and alignment pipeline
Basic Info
- Host: GitHub
- Owner: ameynert
- License: mit
- Language: Nextflow
- Default Branch: master
- Homepage: https://nf-co.re/nanoseq
- Size: 6.13 MB
Statistics
- Stars: 1
- Watchers: 0
- Forks: 0
- Open Issues: 0
- Releases: 0
Fork of nf-core/nanoseq
Created about 4 years ago
· Last pushed about 4 years ago
https://github.com/ameynert/nanoseq/blob/master/
# 
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## Introduction
**nfcore/nanoseq** is a bioinformatics analysis pipeline for Nanopore DNA/RNA sequencing data that can be used to perform basecalling, demultiplexing, QC, mapping and downstream analysis.
The pipeline is built using [Nextflow](https://www.nextflow.io), a workflow tool to run tasks across multiple compute infrastructures in a very portable manner. It uses Docker/Singularity containers making installation trivial and results highly reproducible. The [Nextflow DSL2](https://www.nextflow.io/docs/latest/dsl2.html) implementation of this pipeline uses one container per process which makes it much easier to maintain and update software dependencies. Where possible, these processes have been submitted to and installed from [nf-core/modules](https://github.com/nf-core/modules) in order to make them available to all nf-core pipelines, and to everyone within the Nextflow community!
On release, automated continuous integration tests run the pipeline on a full-sized dataset on the AWS cloud infrastructure. This ensures that the pipeline runs on AWS, has sensible resource allocation defaults set to run on real-world datasets, and permits the persistent storage of results to benchmark between pipeline releases and other analysis sources. The results obtained from the full-sized test can be viewed on the [nf-core website](https://nf-co.re/nanoseq/results).
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## Pipeline summary
1. Read QC ([`FastQC`](https://www.bioinformatics.babraham.ac.uk/projects/fastqc/))
2. Present QC for raw reads ([`MultiQC`](http://multiqc.info/))
On release, automated continuous integration tests run the pipeline on a [full-sized dataset](https://github.com/nf-core/test-datasets/tree/nanoseq#full-sized-test-data) obtained from the [Singapore Nanopore Expression Consortium](https://github.com/GoekeLab/sg-nex-data) on the AWS cloud infrastructure. This ensures that the pipeline runs on AWS, has sensible resource allocation defaults set to run on real-world datasets, and permits the persistent storage of results to benchmark between pipeline releases and other analysis sources. The results obtained from the full-sized test can be viewed on the [nf-core website](https://nf-co.re/nanoseq/results).
## Pipeline Summary
1. Basecalling and/or demultiplexing ([`Guppy`](https://nanoporetech.com/nanopore-sequencing-data-analysis) or [`qcat`](https://github.com/nanoporetech/qcat); *optional*)
2. Sequencing QC ([`pycoQC`](https://github.com/a-slide/pycoQC), [`NanoPlot`](https://github.com/wdecoster/NanoPlot))
3. Raw read DNA cleaning ([NanoLyse](https://github.com/wdecoster/nanolyse); *optional*)
4. Raw read QC ([`NanoPlot`](https://github.com/wdecoster/NanoPlot), [`FastQC`](http://www.bioinformatics.babraham.ac.uk/projects/fastqc/))
5. Alignment ([`GraphMap2`](https://github.com/lbcb-sci/graphmap2) or [`minimap2`](https://github.com/lh3/minimap2))
* Both aligners are capable of performing unspliced and spliced alignment. Sensible defaults will be applied automatically based on a combination of the input data and user-specified parameters
* Each sample can be mapped to its own reference genome if multiplexed in this way
* Convert SAM to co-ordinate sorted BAM and obtain mapping metrics ([`SAMtools`](http://www.htslib.org/doc/samtools.html))
6. Create bigWig ([`BEDTools`](https://github.com/arq5x/bedtools2/), [`bedGraphToBigWig`](http://hgdownload.soe.ucsc.edu/admin/exe/)) and bigBed ([`BEDTools`](https://github.com/arq5x/bedtools2/), [`bedToBigBed`](http://hgdownload.soe.ucsc.edu/admin/exe/)) coverage tracks for visualisation
7. RNA-specific downstream analysis:
* Transcript reconstruction and quantification ([`bambu`](https://bioconductor.org/packages/release/bioc/html/bambu.html) or [`StringTie2`](https://ccb.jhu.edu/software/stringtie/))
* bambu performs both transcript reconstruction and quantification.
* When StringTie2 is chosen, each sample can be processed individually and combined. After which, [`featureCounts`](http://bioinf.wehi.edu.au/featureCounts/) will be used for both gene and transcript quantification.
* Differential expression analysis ([`DESeq2`](https://bioconductor.org/packages/release/bioc/html/DESeq2.html) or [`DEXSeq`](https://bioconductor.org/packages/release/bioc/html/DEXSeq.html))
8. Present QC for raw read and alignment results ([`MultiQC`](https://multiqc.info/docs/))
## Quick Start
1. Install [`Nextflow`](https://www.nextflow.io/docs/latest/getstarted.html#installation) (`>=21.04.0`)
2. Install any of [`Docker`](https://docs.docker.com/engine/installation/), [`Singularity`](https://www.sylabs.io/guides/3.0/user-guide/), [`Podman`](https://podman.io/), [`Shifter`](https://nersc.gitlab.io/development/shifter/how-to-use/) or [`Charliecloud`](https://hpc.github.io/charliecloud/) for full pipeline reproducibility _(please only use [`Conda`](https://conda.io/miniconda.html) as a last resort; see [docs](https://nf-co.re/usage/configuration#basic-configuration-profiles))_
3. Download the pipeline and test it on a minimal dataset with a single command:
```console
nextflow run nf-core/nanoseq -profile test,
```
> * Please check [nf-core/configs](https://github.com/nf-core/configs#documentation) to see if a custom config file to run nf-core pipelines already exists for your Institute. If so, you can simply use `-profile ` in your command. This will enable either `docker` or `singularity` and set the appropriate execution settings for your local compute environment.
> * If you are using `singularity` then the pipeline will auto-detect this and attempt to download the Singularity images directly as opposed to performing a conversion from Docker images. If you are persistently observing issues downloading Singularity images directly due to timeout or network issues then please use the `--singularity_pull_docker_container` parameter to pull and convert the Docker image instead. Alternatively, it is highly recommended to use the [`nf-core download`](https://nf-co.re/tools/#downloading-pipelines-for-offline-use) command to pre-download all of the required containers before running the pipeline and to set the [`NXF_SINGULARITY_CACHEDIR` or `singularity.cacheDir`](https://www.nextflow.io/docs/latest/singularity.html?#singularity-docker-hub) Nextflow options to be able to store and re-use the images from a central location for future pipeline runs.
> * If you are using `conda`, it is highly recommended to use the [`NXF_CONDA_CACHEDIR` or `conda.cacheDir`](https://www.nextflow.io/docs/latest/conda.html) settings to store the environments in a central location for future pipeline runs.
4. Start running your own analysis!
## Documentation
The nf-core/nanoseq pipeline comes with documentation about the pipeline [usage](https://nf-co.re/nanoseq/usage), [parameters](https://nf-co.re/nanoseq/parameters) and [output](https://nf-co.re/nanoseq/output).
```bash
nextflow run nf-core/nanoseq \
--input samplesheet.csv \
--protocol DNA \
--input_path ./fast5/ \
--flowcell FLO-MIN106 \
--kit SQK-LSK109 \
--barcode_kit SQK-PBK004 \
-profile
```
See [usage docs](https://nf-co.re/nanoseq/usage) for all of the available options when running the pipeline.
An example input samplesheet for performing both basecalling and demultiplexing can be found [here](assets/samplesheet.csv).
## Credits
nf-core/nanoseq was originally written by [Chelsea Sawyer](https://github.com/csawye01) and [Harshil Patel](https://github.com/drpatelh) from [The Bioinformatics & Biostatistics Group](https://www.crick.ac.uk/research/science-technology-platforms/bioinformatics-and-biostatistics/) for use at [The Francis Crick Institute](https://www.crick.ac.uk/), London. Other primary contributors include [Laura Wratten](https://github.com/lwratten), [Ying Chen](https://github.com/cying111), [Yuk Kei Wan](https://github.com/yuukiiwa) and [Jonathan Goeke](https://github.com/jonathangoeke) from the [Genome Institute of Singapore](https://www.a-star.edu.sg/gis), [Johannes Alneberg](https://github.com/alneberg) and [Franziska Bonath](https://github.com/FranBonath) from [SciLifeLab](https://www.scilifelab.se/), Sweden.
Many thanks to others who have helped out along the way too, including (but not limited to): [@crickbabs](https://github.com/crickbabs), [@AnnaSyme](https://github.com/AnnaSyme).
## Contributions and Support
If you would like to contribute to this pipeline, please see the [contributing guidelines](.github/CONTRIBUTING.md).
For further information or help, don't hesitate to get in touch on [Slack](https://nfcore.slack.com/channels/nanoseq) (you can join with [this invite](https://nf-co.re/join/slack)).
## Citations
An extensive list of references for the tools used by the pipeline can be found in the [`CITATIONS.md`](CITATIONS.md) file.
You can cite the `nf-core` publication as follows:
> **The nf-core framework for community-curated bioinformatics pipelines.**
>
> Philip Ewels, Alexander Peltzer, Sven Fillinger, Harshil Patel, Johannes Alneberg, Andreas Wilm, Maxime Ulysse Garcia, Paolo Di Tommaso & Sven Nahnsen.
>
> _Nat Biotechnol._ 2020 Feb 13. doi: [10.1038/s41587-020-0439-x](https://dx.doi.org/10.1038/s41587-020-0439-x).
Owner
- Name: Alison Meynert
- Login: ameynert
- Kind: user
- Repositories: 27
- Profile: https://github.com/ameynert