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Short Description
Build for rnaseqSim repo
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rnaseqSim

For SMC-RNA challenge, code for analyzing datasets of validated fusions and generating synthetic fusion data.

Requirements:

[STAR 2.4.2a] (https://github.com/alexdobin/STAR/archive/STAR_2.4.2a.tar.gz)

[RSEM v1.2.31] (https://github.com/deweylab/RSEM/archive/v1.2.31.tar.gz)

Required Inputs

Diploid Genome - Homo_sapiens.GRCh37.75.primary.diploid.fa.gz (syn8348583)

Diploid GTF - Hsapiens_Ensembl_v75_diploid.gtf.gz (syn8348617)

Reference GTF - Hsapiens_Ensembl_v75_refonly.gtf (syn8348668)

Model file - CPCG_0258.R1.fastq.model (syn8348382)

Expression profile -

Basic Steps:

Step 1 - Index Diploid Genome:

rsem-prepare-reference --gtf [diploid.ref.gtf] --star [diploid.ref.fa] [Index name]

Step 2 - Create fusion events, truth file, and RSEM-format fusion reference:

fusion_create/module.py --gtf Hsapiens_Ensembl_v75_refonly.gtf --numEvents [XX] --simName [simName]

Step 3 - Adjust estimated isoform values to include expression for fusion genes according to a model:

model_isoforms/modify_model_tpm_for_diploid.R --TPM [input expression profile] --gtf [simName.gtf] --targetDepth [XX] --codeDir [/path/to/code] &> [output.log]

Step 4 - Generate reads from diploid and fusion references:

fastq_create/generate_reads.py --totalReads [targetDepth * 1000000] --numSimReads [output.log] --simName [simName] --RSEMmodel [model file] --isoformTPM [model_isoforms output] --fusionTPM [model_isoforms output] --fusRef [fusion_create output]

CWL Workflow:

Still in progress ...

cwltool workflow/fusion_simulation_workflow.cwl [INPUT.JSON]

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alliecreason
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