Last updated: 2019-03-19
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Knit directory: threeprimeseq/analysis/
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File | Version | Author | Date | Message |
---|---|---|---|---|
Rmd | e15a531 | Briana Mittleman | 2019-03-19 | plot all tested snps |
html | dbfcfd1 | Briana Mittleman | 2019-03-19 | Build site. |
Rmd | b562a7e | Briana Mittleman | 2019-03-19 | add qqplots |
html | 9aa1003 | Briana Mittleman | 2019-03-19 | Build site. |
Rmd | d924da6 | Briana Mittleman | 2019-03-19 | add ctcf analysis |
I will look at ctcf data too see if this insulator element could act as a mechanism for apa qtls. This is in line with the kinetic model. We know CTCF binding slows polymerase. We are testing if this slow down is associated with APA as well.
The ctcf data I will use can be found at https://www.ncbi.nlm.nih.gov/pubmed/27010758
I will download the normalized phenotype file each row a binding region and each column a sample.
The regions are defined as chromosome, start, end in hg19. I will format this file so I have an ID like i do for the APA analysis.
library(tidyverse)
── Attaching packages ───────────────────────────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.1.0 ✔ purrr 0.3.1
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✔ readr 1.3.1 ✔ forcats 0.4.0
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library(workflowr)
This is workflowr version 1.2.0
Run ?workflowr for help getting started
library(data.table)
Warning: package 'data.table' was built under R version 3.5.2
Attaching package: 'data.table'
The following objects are masked from 'package:dplyr':
between, first, last
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transpose
library(cowplot)
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Attaching package: 'cowplot'
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First, I will look at overlap between the PAS and these CTCF sites. I can do this with deep tools by making a bed file.
CTCF2bed.py
CTCF=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.csv", "r")
bedFile=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbindingLoc.bed", "w")
for i,ln in enumerate(CTCF):
if i >0:
chrm=ln.split(",")[0]
start=ln.split(",")[1]
end=ln.split(",")[2]
bedFile.write("%s\t%s\t%s\n"%(chrm, start, end))
bedFile.close()
Deeptools plots:
TotandNucAtCTCF_DTPlot_noMPFilt.sh
#!/bin/bash
#SBATCH --job-name=TotandNucAtCTCF_DTPlot_noMPFilt
#SBATCH --account=pi-yangili1
#SBATCH --time=24:00:00
#SBATCH --output=TotandNucAtCTCF_DTPlot_noMPFilt.out
#SBATCH --error=TotandNucAtCTCF_DTPlot_noMPFilt.err
#SBATCH --partition=bigmem2
#SBATCH --mem=100G
#SBATCH --mail-type=END
module load Anaconda3
source activate three-prime-env
computeMatrix reference-point -S /project2/gilad/briana/threeprimeseq/data/mergedBW/Total_MergedBamCoverage.bw /project2/gilad/briana/threeprimeseq/data/mergedBW/Nuclear_MergedBamCoverage.bw -R /project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbindingLoc.bed -b 1000 -a 1000 -out /project2/gilad/briana/threeprimeseq/data/CTCF/TotalandNucAtCTCF.gz
plotHeatmap --sortRegions descend -m /project2/gilad/briana/threeprimeseq/data/CTCF/TotalandNucAtCTCF.gz --refPointLabel "CTCF" --plotTitle "Combined 3' at CTCF" --heatmapHeight 7 --colorMap YlGnBu -out /project2/gilad/briana/threeprimeseq/data/CTCF/TotalandNucAtCTCF.png
No enrichemnt
I want to reformat the phenotypes, this is easiest in R.
CTCF=read.csv("../data/CTCF/CTCFbinding.csv", header=T) %>% mutate(ID= paste(chrm,start, end, sep=":")) %>% dplyr::select(chrm, start, end, ID, contains("NA"))
write.table(CTCF, file="../data/CTCF/CTCFbinding.pheno.bed",col.names = T, row.names = F, quote = F, sep="\t" )
put on midway
#remove header
sort -k1,1 -k2,2n CTCFbinding.pheno.bed > CTCFbinding.pheno.sort.bed
#add header
bgzip CTCFbinding.pheno.sort.bed
tabix CTCFbinding.pheno.sort.bed.gz
#get the PCs
#midway1
#export PATH=/project/gilad/software/midway1/qtltools-1.0:$PATH
QTLtools pca --bed /project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.pheno.sort.bed.gz --scale --center --out /project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.pheno.sort.bed.PC.out
head -n 6 CTCFbinding.pheno.sort.bed.PC.out.pca > CTCFbinding.pheno.sort.bed.5PCs.out.pca
Make samples file:
smaplesCTCF.py
ctcf=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.csv", "r")
sampleFile=open("/project2/gilad/briana/threeprimeseq/data/CTCF/samples.txt", "w")
samplesVCF=open("/project2/gilad/briana/YRI_geno_hg19/vcf.samples.txt", "r")
samplesoK={}
for ln in samplesVCF:
samList=ln.split()
for i in samList:
samplesoK[i]=""
print(samplesoK)
for i, ln in enumerate(ctcf):
if i >0:
lnList=ln.split(",")
for each in lnList:
if each in samplesoK.keys():
sampleFile.write("%s\n"%(each))
else:
print("notInvcf")
sampleFile.close()
VCF file does not have these samples.
CTCFqtl_nom.sh
#!/bin/bash
#SBATCH --job-name=CTCFqtl_nom
#SBATCH --account=pi-yangili1
#SBATCH --time=24:00:00
#SBATCH --output=CTCFqtl_nom.out
#SBATCH --error=CTCFqtl_nom.err
#SBATCH --partition=broadwl
#SBATCH --mem=12G
#SBATCH --mail-type=END
for i in $(seq 1 30)
do
/home/brimittleman/software/bin/FastQTL/bin/fastQTL.static --vcf /project2/gilad/briana/YRI_geno_hg19/allChrom.dose.filt.vcf.gz --cov /project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.pheno.sort.bed.5PCs.out.pca --bed /project2/gilad/briana/threeprimeseq/data/CTCF/CTCFbinding.pheno.sort.bed.gz --out /project2/gilad/briana/threeprimeseq/data/CTCF/nom/fastqtl_CTCFbinding.nominal.out --chunk $i 30 --window 5e5 --include-samples /project2/gilad/briana/threeprimeseq/data/CTCF/samples.txt
done
Info from site:
This is the called QTLs 1% FDR threshold (q value <= 0.01) and kept only cluster variants defined as having P value within one order of magnitude to the P value of the lead variant for the same binding region.
I can make a file with the snp positions and I will look for these in my nominal APA data
ctcfQTL=read.csv("../data/CTCF/CTCFQTLS.csv")
ctcfQTL_snponly=ctcfQTL %>% dplyr::select(VARIANT_CHRM, VARIANT_POS) %>% mutate(snp_loc=paste(VARIANT_CHRM,VARIANT_POS,sep= ":")) %>% dplyr::select(snp_loc)
write.table(ctcfQTL_snponly, file="../data/CTCF/CTCFqtl_snps.txt", col.names = F, row.names = F, quote = F)
Look for these snps in nominal data:
CTCFqtlinAPA.py
def main(apa, ctcfQTL, outFile):
fout=open(outFile,"w")
ctcfdic={}
for ln in open(ctcfQTL,"r"):
snp=ln.split()[0]
ctcfdic[snp]=""
for ln in open(apa, "r"):
snpApa =ln.split()[1]
if snpApa in ctcfdic.keys():
fout.write(ln)
fout.close()
if __name__ == "__main__":
import sys
fraction=sys.argv[1]
OutFile=sys.argv[2]
ctcfQTL="/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFqtl_snps.txt"
if fraction=="Total":
nomFile="/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Total.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt"
else:
nomFile="/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Nuclear.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt"
main(nomFile, ctcfQTL, OutFile)
Run: run_CTCFqtlinAPA.sh
#!/bin/bash
#SBATCH --job-name=run_CTCFqtlinAPA
#SBATCH --account=pi-yangili1
#SBATCH --time=24:00:00
#SBATCH --output=run_CTCFqtlinAPA.out
#SBATCH --error=run_CTCFqtlinAPA.err
#SBATCH --partition=broadwl
#SBATCH --mem=36G
#SBATCH --mail-type=END
module load Anaconda3
source activate three-prime-env
python CTCFqtlinAPA.py "Total" "/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinTotalAPA.txt"
python CTCFqtlinAPA.py "Nuclear" "/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinNuclearAPA.txt"
Make empirical distribution:
I can do empirical distribution based on genes not in this set. I will make a list of the genes with] an overlap in total and in nuclear.
I can then find the matched peak numbers based on the genes that do have an overlap.
getCTCFgenes.py
apaNuc=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinNuclearAPA.txt", "r")
apaTot=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinTotalAPA.txt","r")
nucGenes=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinNuclearAPA_Genes.txt", "w")
totGenes=open("/project2/gilad/briana/threeprimeseq/data/CTCF/CTCFQtlinTotalAPA_Genes.txt", "w")
def overlapGenes(inFile, outFile):
#make dictionary with gene (this will have unique)
geneDic={}
for ln in inFile:
gene=ln.split()[0].split(":")[-1].split("_")[0]
if gene not in geneDic.keys():
geneDic[gene]=""
for k,v in geneDic.items():
outFile.write("%s\n"%(k))
outFile.close()
overlapGenes(apaTot, totGenes)
overlapGenes(apaNuc,nucGenes)
Plot these compared to the actuall apa QTLs.
ctcfinTot=read.table("../data/CTCF/CTCFQtlinTotalAPA.txt",stringsAsFactors = F,col.names = c("ID", "snp", "dist", "pval", "slope"))
apaTot=read.table("../data/perm_QTL_GeneLocAnno_noMP_5percov/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno.NoMP_sm_quant.Total.fixed.pheno_5perc_permResBH.txt", header=T, stringsAsFactors=F)%>% drop_na()
ctcfinNuc=read.table("../data/CTCF/CTCFQtlinNuclearAPA.txt",stringsAsFactors = F,col.names = c("ID", "snp", "dist", "pval", "slope"))
apaNuc=read.table("../data/perm_QTL_GeneLocAnno_noMP_5percov/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno.NoMP_sm_quant.Nuclear.fixed.pheno_5perc_permResBH.txt", header=T, stringsAsFactors=F) %>% drop_na()
I need the nominal association so i am making a fair comparison
nom4apaQTLSnps.py
totQTL=open("/project2/gilad/briana/threeprimeseq/data/ApaQTLs/TotalapaQTLs.GeneLocAnno.noMP.5perc.10FDR.txt","r")
totNom=open("/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Total.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt", "r")
totNomQTL=open("/project2/gilad/briana/threeprimeseq/data/ApaQTLs/Totalapa.NomPvalAssoc4allQTL.txt", "w")
nucQTL=open("/project2/gilad/briana/threeprimeseq/data/ApaQTLs/NuclearapaQTLs.GeneLocAnno.noMP.5perc.10FDR.txt","r")
nucNom=open("/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Nuclear.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt","r")
nucNomQTL=open("/project2/gilad/briana/threeprimeseq/data/ApaQTLs/Nuclearapa.NomPvalAssoc4allQTL.txt","w")
def allAssocAPAqtl(QTL, nom, outFile):
snpdic={}
for ln in QTL:
snp =ln.split()[5]
if snp not in snpdic.keys():
snpdic[snp]=""
for ln in nom:
snp=ln.split()[1]
if snp in snpdic.keys():
outFile.write(ln)
outFile.close()
allAssocAPAqtl(totQTL, totNom, totNomQTL)
allAssocAPAqtl(nucQTL, nucNom, nucNomQTL)
totQTLnom=read.table("../data/CTCF/Totalapa.NomPvalAssoc4allQTL.txt", stringsAsFactors = F, col.names = c("ID", "snp", "dist", "pval", "slope"))
nucQTLnom=read.table("../data/CTCF/Nuclearapa.NomPvalAssoc4allQTL.txt", stringsAsFactors = F, col.names = c("ID", "snp", "dist", "pval", "slope"))
qqplot(-log10(runif(nrow(totQTLnom))),-log10(totQTLnom$pval), ylab="-log10 Tota pval", xlab="Uniform expectation", main="Total pvalue association for CTCF qtls")
points(sort(-log10(runif(nrow(ctcfinTot)))), sort(-log10(ctcfinTot$pval)),col="blue")
abline(0,1)
legend("bottomright", legend=c("ApaQTLs", "CTCF qtls"),col=c("black", "blue"), pch=16,bty = 'n')
Version | Author | Date |
---|---|---|
dbfcfd1 | Briana Mittleman | 2019-03-19 |
qqplot(-log10(runif(nrow(nucQTLnom))),-log10(nucQTLnom$pval), ylab="-log10 Nuclear pval", xlab="Uniform expectation", main="Nuclear pvalue association for CTCF qtls")
points(sort(-log10(runif(nrow(ctcfinNuc)))), sort(-log10(ctcfinNuc$pval)),col="blue")
abline(0,1)
legend("bottomright", legend=c("ApaQTLs", "CTCF qtls"),col=c("black", "blue"), pch=16,bty = 'n')
Version | Author | Date |
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dbfcfd1 | Briana Mittleman | 2019-03-19 |
Use different black line, dont condition on apaQTLs look at every tested snp. I can sort the pvalues in the nominal file then sample every 100th value to deal wilth how large the vector is:
Python interactively
totNom="/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Total.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt"
nucNom="/project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_GeneLocAnno_noMP_5percUs/filtered_APApeaks_merged_allchrom_refseqGenes.GeneLocAnno_NoMP_sm_quant.Nuclear.fixed.pheno_5perc.fc.gz.qqnorm_allNomRes.txt"
import numpy as np
import pandas as pd
Nomnames=["ID", "snp", "dist", "pval", "slope"]
nomDF=pd.read_table(totNom, sep=" ", names=Nomnames, header=None)
a=nomDF.iloc[:,3]
sorted=np.sort(a)
final=sorted[0::100]
np.savetxt('/project2/gilad/briana/threeprimeseq/data/CTCF/TotNomPvalsOneHund.out', final)
nomNucDF=pd.read_table(nucNom, sep=" ", names=Nomnames, header=None)
b=nomNucDF.iloc[:,3]
sortedNuc=np.sort(b)
finalNuc=sortedNuc[0::100]
np.savetxt('/project2/gilad/briana/threeprimeseq/data/CTCF/NucNomPvalsOneHund.out', finalNuc)
use this:
totnomPvalsmall=read.table("../data/CTCF/TotNomPvalsOneHund.out", header = F, stringsAsFactors = F, col.names = c("pval"))
qqplot(-log10(runif(nrow(totnomPvalsmall))),-log10(totnomPvalsmall$pval), ylab="-log10 Total pval", xlab="Uniform expectation", main="Total pvalue association for CTCF qtls")
points(sort(-log10(runif(nrow(ctcfinTot)))), sort(-log10(ctcfinTot$pval)),col="blue")
abline(0,1)
legend("bottomright", legend=c("1/100 Apa SNPs", "CTCF qtls"),col=c("black", "blue"), pch=16,bty = 'n')
nucnomPvalsmall=read.table("../data/CTCF/NucNomPvalsOneHund.out", header = F, stringsAsFactors = F, col.names = c("pval"))
qqplot(-log10(runif(nrow(nucnomPvalsmall))),-log10(nucnomPvalsmall$pval), ylab="-log10 Nuclear pval", xlab="Uniform expectation", main="Nuclear pvalue association for CTCF qtls")
points(sort(-log10(runif(nrow(ctcfinNuc)))), sort(-log10(ctcfinNuc$pval)),col="blue")
abline(0,1)
legend("bottomright", legend=c("1/100 Apa SNPs", "CTCF qtls"),col=c("black", "blue"), pch=16,bty = 'n')
Make the empirical dist:
Problem: which snp do i choose? CTCF not associated with a gene so i can pick the best snp for the non ctcf gene
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
other attached packages:
[1] cowplot_0.9.4 data.table_1.12.0 workflowr_1.2.0
[4] forcats_0.4.0 stringr_1.4.0 dplyr_0.8.0.1
[7] purrr_0.3.1 readr_1.3.1 tidyr_0.8.3
[10] tibble_2.0.1 ggplot2_3.1.0 tidyverse_1.2.1
loaded via a namespace (and not attached):
[1] Rcpp_1.0.0 cellranger_1.1.0 plyr_1.8.4 pillar_1.3.1
[5] compiler_3.5.1 git2r_0.24.0 tools_3.5.1 digest_0.6.18
[9] lubridate_1.7.4 jsonlite_1.6 evaluate_0.13 nlme_3.1-137
[13] gtable_0.2.0 lattice_0.20-38 pkgconfig_2.0.2 rlang_0.3.1
[17] cli_1.0.1 rstudioapi_0.9.0 yaml_2.2.0 haven_2.1.0
[21] xfun_0.5 withr_2.1.2 xml2_1.2.0 httr_1.4.0
[25] knitr_1.21 hms_0.4.2 generics_0.0.2 fs_1.2.6
[29] rprojroot_1.3-2 grid_3.5.1 tidyselect_0.2.5 glue_1.3.0
[33] R6_2.4.0 readxl_1.3.0 rmarkdown_1.11 modelr_0.1.4
[37] magrittr_1.5 whisker_0.3-2 backports_1.1.3 scales_1.0.0
[41] htmltools_0.3.6 rvest_0.3.2 assertthat_0.2.0 colorspace_1.4-0
[45] stringi_1.3.1 lazyeval_0.2.1 munsell_0.5.0 broom_0.5.1
[49] crayon_1.3.4