Last updated: 2019-02-25

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File Version Author Date Message
Rmd 2336f87 Briana Mittleman 2019-02-25 add unexplained QTL analysis

One original goal for this project was too see if APA qtls could explain a number of the unexplianed eQTLs Yang found in the integrated molQTL science paper. He has provided me a list of explained eQTLs (chromatin associatated) and unexplained eQTLs. As a first pass, I want to look at the loci/gene associations in my QTL data. If there is significant sharing I expect lower pvalues for the apa associatiations at these loci. I will start with all peaks in the e genes.

These data have 1163 explained loci and 801 unexplained loci.

I want to make a python script that can take either of these and the nominal results for my total or nuclear apaQTLs. It will extract any association for a peak in one of these genes.

First sort these. They are chr, pos, gene,

sort -k1,1 -k2,2n /project2/gilad/briana/threeprimeseq/data/eQTL_Lietal/explained_FDR10.txt > /project2/gilad/briana/threeprimeseq/data/eQTL_Lietal/explained_FDR10.sort.txt

sort -k1,1 -k2,2n /project2/gilad/briana/threeprimeseq/data/eQTL_Lietal/unexplained_FDR10.txt > /project2/gilad/briana/threeprimeseq/data/eQTL_Lietal/unexplained_FDR10.sort.txt

Take some of this code from this analysis

APApval4eQTL.py

def main(eQTL,apaQTL, outF):  
    fout=open(outF,"w")
    geneNames=open("/project2/gilad/briana/genome_anotation_data/ensemble_to_genename.txt","r")
    #gene name dictionary  
    geneDic={}
    geneDicOpp={}
    for i, ln in enumerate(geneNames):
        if i >0:
            ID=ln.split()[0]
            gene=ln.split()[1]
            if gene not in geneDic.keys():
                geneDic[gene]=[ID]
            else: 
                geneDic[gene].append(ID)
            geneDicOpp[ID]=gene
    qtl_dic={}
    for ln in open(eQTL,"r"):
        chrom=ln.split()[0][3:]
        pos=ln.split()[1]
        snp=chrom + ":" + pos
        gene=ln.split()[2]
        if gene not in geneDicOpp.keys():
            continue
        geneName=geneDicOpp[gene]
        qtl_dic[snp]=geneName
    for ln in open(apaQTL, "r"):
        snp=ln.split()[1]
        gene=ln.split()[0].split(":")[-1].split("_")[0]
        peak=ln.split()[0].split(":")[-1].split("_")[-1]
        pval=ln.split()[3]
        if snp in qtl_dic.keys():
            if qtl_dic[snp]==gene:
                fout.write("%s\t%s\t%s\t%s\n"%(snp, gene, peak, pval))
    fout.close()
            
    
if __name__ == "__main__":
    import sys
    fraction = sys.argv[1]
    eqtl = sys.argv[2]
    inQTL="/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.%s.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt"%(fraction)
    eQTLin="/project2/gilad/briana/threeprimeseq/data/eQTL_Lietal/%s_FDR10.sort.txt"%(eQTL)
    outFile="/project2/gilad/briana/threeprimeseq/data/ExplaineQTLS/NomPval_%sApaQTLs_for%seQTLs.txt"%(fraction, eQTL)
    main(eQTLin,inQTL,outFile)
    
    

Run this overall combinations:
runAPApval4eQTL.sh

#!/bin/bash


#SBATCH --job-name=runAPApval4eQTL
#SBATCH --account=pi-yangili1
#SBATCH --time=24:00:00
#SBATCH --output=runAPApval4eQTL.out
#SBATCH --error=runAPApval4eQTL.err
#SBATCH --partition=broadwl
#SBATCH --mem=10G
#SBATCH --mail-type=END

module load Anaconda3
source activate three-prime-env  


python APApval4eQTL.py Total explained
python APApval4eQTL.py Total unexplained

python APApval4eQTL.py Nuclear explained
python APApval4eQTL.py Nuclear unexplained
Genes not in the switch gene name file:
ENSG00000136653 ENSG00000116957 ENSG00000177236 ENSG00000269963 ENSG00000205047 ENSG00000261317 ENSG00000224113 ENSG00000108278 ENSG00000174100 ENSG00000108292 ENSG00000141720 ENSG00000269545 ENSG00000232698 ENSG00000197146 ENSG00000269781

sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS  10.14.1

Matrix products: default
BLAS: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.0.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
 [1] workflowr_1.2.0 Rcpp_0.12.19    digest_0.6.17   rprojroot_1.3-2
 [5] backports_1.1.2 git2r_0.24.0    magrittr_1.5    evaluate_0.13  
 [9] stringi_1.2.4   fs_1.2.6        whisker_0.3-2   rmarkdown_1.11 
[13] tools_3.5.1     stringr_1.4.0   glue_1.3.0      yaml_2.2.0     
[17] compiler_3.5.1  htmltools_0.3.6 knitr_1.20