Commit 6db9bb37 authored by Julien  GUGLIELMINI's avatar Julien GUGLIELMINI

Update README.md

parent 1e533b76
# Description
When considering a set of aligned sequences, identical character states can be [homoplasic](https://en.wikipedia.org/wiki/Homoplasy) (_i.e._ convergent evolution), or [synapomorphic](https://en.wikipedia.org/wiki/Synapomorphy_and_apomorphy) (acquired by descent).
This scripts aims at finding shared character states inside a multiple sequences alignment irrespective of the evolution of the sequences.
When considering a set of aligned sequences, identical character states can be [homoplasitc](https://en.wikipedia.org/wiki/Homoplasy) (_i.e._ convergent evolution), or [synapomorphic](https://en.wikipedia.org/wiki/Synapomorphy_and_apomorphy) (acquired by descent).
This script aims at finding shared character states inside a multiple sequences alignment irrespective of the evolution of the sequences.
It takes as input a fasta file containing aligned sequences, and a list of sequences whose name match those in the alignment.
The output is a list of the shared character states followed by an entropy score - the closest is the score to 1, the more the result is significant.
If the sequences you gave as parameters share a common ancestor, then the output are synapomorphies. Otherwise they are homoplasies.
# Installation
Download the file, navigate to its location then type
This script is written in Bash and as such should run on any Unix platform.
Simply download the file, navigate to its location and then type
```bash
chmod +x find_synapomorphies.sh
......
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