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Objectives

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BWA (the Burrows-Wheeler Aligner) is a fast short read aligner. It is an unspliced mapper. It's the successor to another aligner you might have used or heard of called MAQ (Mapping and Assembly with Quality). As the name suggests, it uses the burrows-wheeler transform to perform alignment in a time and memory efficient manner.

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Code Block
titleGet set up for the exercises
ls ../data
ls ../reference
 
#transcriptome
head ../reference/transcripts.fasta 
#see how many transcripts there are in the file
grep -c '^>' ../reference/transcripts.fasta
 
#genome
head ../reference/genome.fa
#see how many sequences there are in the file
grep -c '^>' ../reference/genome.fa
 
 
#annotation
head ../reference/genes.formatted.gtf
#see how many entries there are in this file
wc -l ../reference/genes.formatted.gtf

Load the module:Run BWA

Code Block
module load bwa

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