Metadata-Version: 2.1
Name: jcvi
Version: 1.1.12
Summary: Python utility libraries on genome assembly, annotation and comparative genomics
Home-page: http://github.com/tanghaibao/jcvi
Author: Haibao Tang, Vivek Krishnakumar, Jingping Li
Author-email: tanghaibao@gmail.com
License: BSD
Platform: UNKNOWN
Classifier: Development Status :: 4 - Beta
Classifier: Intended Audience :: Science/Research
Classifier: License :: OSI Approved :: BSD License
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Scientific/Engineering :: Bio-Informatics
Description-Content-Type: text/markdown
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# JCVI utility libraries

[![DOI](https://zenodo.org/badge/doi/10.5281/zenodo.31631.svg)](https://doi.org/10.5281/zenodo.594205)
[![Latest PyPI
version](https://img.shields.io/pypi/v/jcvi.svg)](https://pypi.python.org/pypi/jcvi)
[![Github Actions](https://github.com/tanghaibao/jcvi/workflows/build/badge.svg)](https://github.com/tanghaibao/jcvi/actions)

Collection of Python libraries to parse bioinformatics files, or perform
computation related to assembly, annotation, and comparative genomics.

|         |                                                                  |
| ------- | ---------------------------------------------------------------- |
| Authors | Haibao Tang ([tanghaibao](http://github.com/tanghaibao))         |
|         | Vivek Krishnakumar ([vivekkrish](https://github.com/vivekkrish)) |
|         | Jingping Li ([Jingping](https://github.com/Jingping))            |
|         | Xingtan Zhang ([tangerzhang](https://github.com/tangerzhang))    |
| Email   | <tanghaibao@gmail.com>                                           |
| License | [BSD](http://creativecommons.org/licenses/BSD/)                  |

## Citations

- If you use the MCscan pipeline for synteny inference, please cite:

  _Tang et al. (2008) Synteny and Collinearity in Plant Genomes. [Science](https://science.sciencemag.org/content/320/5875/486)_

![MCSCAN example](https://www.dropbox.com/s/9vl3ys3ndvimg4c/grape-peach-cacao.png?raw=1)

- If you use the ALLMAPS pipeline for genome scaffolding, please cite:

  _Tang et al. (2015) ALLMAPS: robust scaffold ordering based on multiple maps. [Genome Biology](https://genomebiology.biomedcentral.com/articles/10.1186/s13059-014-0573-1)_

![ALLMAPS animation](https://www.dropbox.com/s/jfs8xavcxix37se/ALLMAPS.gif?raw=1)

- For other uses, please cite the package directly:

  _Tang et al. (2015). jcvi: JCVI utility libraries. Zenodo. [10.5281/zenodo.31631](http://dx.doi.org/10.5281/zenodo.31631)_

![GRABSEEDS example](https://www.dropbox.com/s/yu9ehsi6sqifuaa/bluredges.png?raw=1)

## Contents

Following modules are available as generic Bioinformatics handling
methods.

- <kbd>algorithms</kbd>

  - Linear programming solver with SCIP and GLPK.
  - Supermap: find set of non-overlapping anchors in BLAST or NUCMER output.
  - Longest or heaviest increasing subsequence.
  - Matrix operations.

- <kbd>apps</kbd>

  - GenBank entrez accession, Phytozome, Ensembl and SRA downloader.
  - Calculate (non)synonymous substitution rate between gene pairs.
  - Basic phylogenetic tree construction using PHYLIP, PhyML, or RAxML, and viualization.
  - Wrapper for BLAST+, LASTZ, LAST, BWA, BOWTIE2, CLC, CDHIT, CAP3, etc.

- <kbd>formats</kbd>

  Currently supports `.ace` format (phrap, cap3, etc.), `.agp`
  (goldenpath), `.bed` format, `.blast` output, `.btab` format,
  `.coords` format (`nucmer` output), `.fasta` format, `.fastq`
  format, `.fpc` format, `.gff` format, `obo` format (ontology),
  `.psl` format (UCSC blat, GMAP, etc.), `.posmap` format (Celera
  assembler output), `.sam` format (read mapping), `.contig`
  format (TIGR assembly format), etc.

- <kbd>graphics</kbd>

  - BLAST or synteny dot plot.
  - Histogram using R and ASCII art.
  - Paint regions on set of chromosomes.
  - Macro-synteny and micro-synteny plots.

- <kbd>utils</kbd>
  - Grouper can be used as disjoint set data structure.
  - range contains common range operations, like overlap
    and chaining.
  - Miscellaneous cookbook recipes, iterators decorators,
    table utilities.

Then there are modules that contain domain-specific methods.

- <kbd>assembly</kbd>

  - K-mer histogram analysis.
  - Preparation and validation of tiling path for clone-based assemblies.
  - Scaffolding through ALLMAPS, optical map and genetic map.
  - Pre-assembly and post-assembly QC procedures.

- <kbd>annotation</kbd>

  - Training of _ab initio_ gene predictors.
  - Calculate gene, exon and intron statistics.
  - Wrapper for PASA and EVM.
  - Launch multiple MAKER processes.

- <kbd>compara</kbd>
  - C-score based BLAST filter.
  - Synteny scan (de-novo) and lift over (find nearby anchors).
  - Ancestral genome reconstruction using Sankoff's and PAR method.
  - Ortholog and tandem gene duplicates finder.

## Applications

Please visit [wiki](https://github.com/tanghaibao/jcvi/wiki) for
full-fledged applications.

## Dependencies

Following are a list of third-party python packages that are used by
some routines in the library. These dependencies are _not_ mandatory
since they are only used by a few modules.

- [Biopython](http://www.biopython.org)
- [numpy](http://numpy.scipy.org)
- [matplotlib](http://matplotlib.org/)

There are other Python modules here and there in various scripts. The
best way is to install them via `pip install` when you see
`ImportError`.

## Installation

The easiest way is to install it via PyPI:

```console
pip install jcvi
```

To install the development version:

```console
pip install git+git://github.com/tanghaibao/jcvi.git
```

Alternatively, if you want to install manually:

```console
cd ~/code  # or any directory of your choice
git clone git://github.com/tanghaibao/jcvi.git
pip install -e .
```

In addition, a few module might ask for locations of external programs,
if the extended cannot be found in your `PATH`. The external programs
that are often used are:

- [Kent tools](http://hgdownload.cse.ucsc.edu/admin/jksrc.zip)
- [BEDTOOLS](http://code.google.com/p/bedtools/)
- [EMBOSS](http://emboss.sourceforge.net/)

Most of the scripts in this package contains multiple actions. To use
the `fasta` example:

```console
Usage:
    python -m jcvi.formats.fasta ACTION


Available ACTIONs:
          clean | Remove irregular chars in FASTA seqs
           diff | Check if two fasta records contain same information
        extract | Given fasta file and seq id, retrieve the sequence in fasta format
          fastq | Combine fasta and qual to create fastq file
         filter | Filter the records by size
         format | Trim accession id to the first space or switch id based on 2-column mapping file
        fromtab | Convert 2-column sequence file to FASTA format
           gaps | Print out a list of gap sizes within sequences
             gc | Plot G+C content distribution
      identical | Given 2 fasta files, find all exactly identical records
            ids | Generate a list of headers
           info | Run `sequence_info` on fasta files
          ispcr | Reformat paired primers into isPcr query format
           join | Concatenate a list of seqs and add gaps in between
     longestorf | Find longest orf for CDS fasta
           pair | Sort paired reads to .pairs, rest to .fragments
    pairinplace | Starting from fragment.fasta, find if adjacent records can form pairs
           pool | Pool a bunch of fastafiles together and add prefix
           qual | Generate dummy .qual file based on FASTA file
         random | Randomly take some records
         sequin | Generate a gapped fasta file for sequin submission
       simulate | Simulate random fasta file for testing
           some | Include or exclude a list of records (also performs on .qual file if available)
           sort | Sort the records by IDs, sizes, etc.
        summary | Report the real no of bases and N's in fasta files
           tidy | Normalize gap sizes and remove small components in fasta
      translate | Translate CDS to proteins
           trim | Given a cross_match screened fasta, trim the sequence
      trimsplit | Split sequences at lower-cased letters
           uniq | Remove records that are the same
```

Then you need to use one action, you can just do:

```console
python -m jcvi.formats.fasta extract
```

This will tell you the options and arguments it expects.

**Feel free to check out other scripts in the package, it is not just
for FASTA.**


