A Sample Software Installation – Samtools |
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Watch Mark installing Samtools and follow along to install a bioinformatics tool you will also explore more in Week 2. Samtools is a suite of utilities for interacting with and post-processing short DNA sequence read alignments in the SAM (Sequence Alignment/Map), BAM (Binary Alignment/Map) and CRAM formats. The tools support complex tasks such as variant calling and alignment viewing as well as data extraction, sorting, index and format conversion. The installation of Samtools is carried out using a package and environment manager called Conda. This is an open-source and cross-platform written in the Python programming language which allows a user to install other software packages easily without having to install dependencies manually. Conda can also manage projects containing code written in any language and it allows users to switch between package versions and download and install updates from a software repository. In order to install Samtools, first go to the Conda installation link that I mentioned at the beginning of the screencast website: https://docs.conda.io/en/latest/miniconda.html to install the Conda installer for your operating system, Mac, Linux or Windows. Want to keep learning? This content is taken from Wellcome Connecting Science online course, Bioinformatics for Biologists: An Introduction to Linux, Bash Scripting, and R View Course Installing Samtools on UbuntuOpen a terminal and enter the following commands to update and upgrade the installed packages. Press enter after entering each line of code. You can either enter the commands manually, or cut and paste them into the terminal window. sudo apt update sudo apt upgradeNext, download the Miniconda installer script https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh Navigate to Downloads. cd DownloadsThen run the script. bash Miniconda3-latest-Linux-x86_64.shTap the spacebar to move down the licence agreement, and to accept the terms by typing yes.Press enter to confirm the download location.Then type yes when prompted to initialise Miniconda.Miniconda is now installed. Next install htslib to access the command line functionality of Samtools. conda install -c bioconda htslibProceed by typing y. Finally, install Samtools by entering the command below. conda install -c bioconda samtoolsAgain proceed by typing y. Installing Samtools on MacDownload the Miniconda installer for macOS from the link below: https://docs.conda.io/en/latest/miniconda.html Next install htslib to access the command line functionality of Samtools. conda install -c bioconda htslibProceed by typing y. Finally, install Samtools by entering the command below. conda install -c bioconda samtoolsagain proceed by typing y. Please follow the instructions in the video and/or the in the text above, showing how to install the Samtools. We will go back to Samtools at the end of Week 2. Do leave your comments in the comments section below. Want to keep learning? This content is taken from Wellcome Connecting Science online course Bioinformatics for Biologists: An Introduction to Linux, Bash Scripting, and R View Course |
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