# HG changeset patch # User drosofff # Date 1399911396 14400 # Node ID 30f50368dd795ebdbc46f53c2411395c0f9d3ba0 # Parent 213d18ed15ff50402afb47a64dfb2fe4b859e22b Uploaded diff -r 213d18ed15ff -r 30f50368dd79 sRbowtie_wrapper.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sRbowtie_wrapper.xml Mon May 12 12:16:36 2014 -0400 @@ -0,0 +1,183 @@ + + small RNA oriented + bowtie + + sRbowtie_wrapper.py $input + $method + $v_mismatches + $output_type + $refGenomeSource.genomeSource + ## the very source of the index (indexed or fasta file) + #if $refGenomeSource.genomeSource == "history": + $refGenomeSource.ownFile + #else: + $refGenomeSource.index + #end if + ## + $output + $aligned + $unaligned + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + additional_fasta == "al" or additional_fasta == "al_and_unal" + + + additional_fasta == "unal" or additional_fasta == "al_and_unal" + + + + + +**What it does** + +Bowtie_ is a short read aligner designed to be ultrafast and memory-efficient. It is developed by Ben Langmead and Cole Trapnell. Please cite: Langmead B, Trapnell C, Pop M, Salzberg SL. Ultrafast and memory-efficient alignment of short DNA sequences to the human genome. Genome Biology 10:R25. + +.. _Bowtie: http://bowtie-bio.sourceforge.net/index.shtml + +A generic "Map with Bowtie for Illumina" Galaxy tool is available in the main Galaxy distribution. + +However, this useful Bowtie wrapper tool only takes as inputs FASTQ files. + +Our sRbowtie wrapper is intented to work specifically with short reads FASTA inputs and to serve downstream small RNA sequencing analyses + +------ + +**OPTIONS** + +.. class:: infomark + +This script uses Bowtie to match reads on a reference index. + +Depending on the type of matching, different bowtie options are used: + +**Match on sense strand RNA reference index, multiple mappers randomly matched at a single position** + +Match on RNA reference, SENSE strand, randomly attributing multiple mapper to target with least mismatches, the polarity column is suppressed in the bowtie tabular report: + +*-v [0,1,2,3] -M 1 --best --strata -p 12 --norc --suppress 2,6,7,8* + +**Match unique mappers on DNA reference index** + +Match ONLY unique mappers on DNA reference index + +*-v [0,1,2,3] -m 1 -p 12 --suppress 6,7,8* + +Note that using this option with -v values other than 0 is questionnable... + +**Match on DNA, multiple mappers randomly matched at a single position** + +Match multiple mappers, randomly attributing multiple mapper to target with least mismatches, number of mismatch allowed specified by -v option: + +*-v [0,1,2,3] -M 1 --best --strata -p 12 --suppress 6,7,8* + +**Match on DNA as fast as possible, without taking care of mapping issues (for raw annotation of reads)** + +Match with highest speed, not guaranteeing best hit for speed gain: + +*-v [0,1,2,3] -k 1 --best -p 12 --suppress 6,7,8* + + +----- + +**Input formats** + +.. class:: warningmark + +*The only accepted format for the script is a raw fasta list of reads, clipped from their adapter* + +----- + +**OUTPUTS** + +If you choose tabular as the output format, you will obtain the matched reads in standard bowtie output format, having the following columns:: + + Column Description + -------- -------------------------------------------------------- + 1 FastaID fasta identifier + 2 polarity + or - depending whether the match was reported on the forward or reverse strand + 3 target name of the matched target + 4 Offset O-based coordinate of the miR on the miRBase pre-miR sequence + 5 Seq sequence of the matched Read + +If you choose SAM, you will get the output in unordered SAM format. + +.. class:: warningmark + +if you choose BAM, the output will be in sorted BAM format. +To be viewable in Trackster, several condition must be fulfilled: + +.. class:: infomark + +Reads must have been matched to a FULL genome whose chromosome names are compatible with Trackster genome indexes + +.. class:: infomark + +the database/Build (dbkey) which is indicated for the dataset (Pencil - Database/Build field) must match a Trackster genome index. + +Please contact the GED galaxy team is your reference genome is not referenced properly in GED galaxy + +**Optionnal matched and unmatched fasta reads can be obtained, for further annotations** + + +