Last updated: 2018-11-15
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In this analysis I will create locus zoom plots for the example QTLs that look to be associated in APA and protein but not in RNA. I will first do this for the EIF2A totalAPA example. peak228606, 3:150302010.
To run this analysis, I will need the nominal pvalues for this peak/gene. I can then plot the snp location against the pvalue. After I have this working, I can add the r2 values.
EIF2A==ENSG00000144895
grep EIF2A /project2/gilad/briana/genome_anotation_data/ensemble_to_genename.txt
grep peak228606 /project2/gilad/briana/threeprimeseq/data/nominal_APAqtl_trans/filtered_APApeaks_merged_allchrom_refseqGenes_pheno_Total_NomRes.txt > /project2/gilad/briana/threeprimeseq/data/LocusZoom/TotalAPA.peak228606.EIF2A.nomTotal.txt
grep ENSG00000144895 /project2/gilad/briana/threeprimeseq/data/molecular_QTLs/nom/fastqtl_qqnorm_RNAseq_phase2.fixed.nominal.out > /project2/gilad/briana/threeprimeseq/data/LocusZoom/RNA.EIF2A.nomTotal.txt
grep ENSG00000144895 /project2/gilad/briana/threeprimeseq/data/molecular_QTLs/nom/fastqtl_qqnorm_prot.fixed.nominal.out > /project2/gilad/briana/threeprimeseq/data/LocusZoom/Prot.EIF2A.nomTotal.txt
FastQTL results for nominal: * phenoID
SID
Distance
Nominal Pval
Slope
Librarys
library(workflowr)
This is workflowr version 1.1.1
Run ?workflowr for help getting started
library(reshape2)
library(tidyverse)
── Attaching packages ─────────────────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.0.0 ✔ purrr 0.2.5
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✔ tidyr 0.8.1 ✔ stringr 1.3.1
✔ readr 1.1.1 ✔ forcats 0.3.0
── Conflicts ────────────────────────────────────────────────────────────────────────────── tidyverse_conflicts() ──
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library(VennDiagram)
Loading required package: grid
Loading required package: futile.logger
library(data.table)
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library(ggpubr)
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library(cowplot)
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APA=read.table("../data/LocusZoom/TotalAPA.peak228606.EIF2A.nomTotal.txt", stringsAsFactors = F, col.names = c("PeakID", "SID", "Dist", "APAPval","slope")) %>% separate(SID, into=c("Chrom", "Location"), sep=":") %>% select( Location, APAPval)
APA$Location=as.integer(APA$Location)
Prot=read.table("../data/LocusZoom/Prot.EIF2A.nomTotal.txt", stringsAsFactors = F, col.names = c("PeakID", "SID", "Dist", "ProtPval","slope")) %>% separate(SID, into=c("Chrom", "Location"), sep=":")%>% select( Location, ProtPval)
Prot$Location=as.integer(Prot$Location)
RNA=read.table("../data/LocusZoom/RNA.EIF2A.nomTotal.txt", stringsAsFactors = F, col.names = c("PeakID", "SID", "Dist", "RnaPval","slope")) %>% separate(SID, into=c("Chrom", "Location"), sep=":")%>% select( Location, RnaPval)
RNA$Location=as.integer(RNA$Location)
I can join these by the snps that are tested for all three.
allPheno=APA %>% inner_join(Prot, by="Location") %>% inner_join(RNA, by="Location")
First I can just plot these as is and see what happens:
allPhen_melt= melt(allPheno, id.vars="Location")
ggplot(allPhen_melt,aes(x=Location, y=value)) + geom_point() + facet_grid( rows=vars(variable))
Version | Author | Date |
---|---|---|
813a500 | Briana Mittleman | 2018-11-15 |
I need to zoom in around my locus 150302010
allPheno_filt=allPheno %>% filter(Location> 150297010 & Location < 150307010)
allPhen_filt_melt= melt(allPheno_filt, id.vars="Location")
ggplot(allPhen_filt_melt,aes(x=Location, y=-log10(value))) + geom_point() + facet_grid( rows=vars(variable)) + geom_vline(xintercept=150302010, linetype="dashed", color = "red") + theme(axis.line=element_line()) + theme(panel.grid.major = element_line("lightgray",0.25), panel.grid.minor = element_line("lightgray",0.25)) + labs(x="Chromosome 3 Location", y="-Log 10 Pvalue", title="Locus Zoom for EIF2A:peak228606")
Version | Author | Date |
---|---|---|
813a500 | Briana Mittleman | 2018-11-15 |
Plot each seperatly because power is different.
allPhen_filt_APA=allPhen_filt_melt %>% filter(variable=="APAPval")
allPhen_filt_Prot=allPhen_filt_melt %>% filter(variable=="ProtPval")
allPhen_filt_RNA=allPhen_filt_melt %>% filter(variable=="RnaPval")
Plot each seperatly then use cow plot
apa=ggplot(allPhen_filt_APA, aes(x=Location, y= -log10(value))) + geom_point()+ geom_vline(xintercept=150302010, linetype="dashed", color = "red")
prot=ggplot(allPhen_filt_Prot, aes(x=Location, y= -log10(value))) + geom_point()+ geom_vline(xintercept=150302010, linetype="dashed", color = "red")
rna=ggplot(allPhen_filt_RNA, aes(x=Location, y= -log10(value))) + geom_point()+ geom_vline(xintercept=150302010, linetype="dashed", color = "red")
plot_grid(apa,prot,rna, align = "v", ncol=1)
Version | Author | Date |
---|---|---|
813a500 | Briana Mittleman | 2018-11-15 |
The next step is to add the LD structure. I can do this with PLINK and the files I made for the GWAS overlap.
RunPlink_EIF2A.sh
#!/bin/bash
#SBATCH --job-name=RunPlink_EIF2A
#SBATCH --account=pi-yangili1
#SBATCH --time=36:00:00
#SBATCH --output=RunPlink_EIF2A.out
#SBATCH --error=RunPlink_EIF2A.err
#SBATCH --partition=broadwl
#SBATCH --mem=30G
#SBATCH --mail-type=END
module load plink
plink --ped /project2/gilad/briana/YRI_geno_hg19/plinkYRIgeno_chr3.ped --map /project2/gilad/briana/YRI_geno_hg19/plinkYRIgeno_chr3.map --r2 --ld-snp 3:150302010 --ld-window-kb 1000 --ld-window 99999 --out /project2/gilad/briana/threeprimeseq/data/LocusZoom/EIF2A_leadsnp.txt
LD_structure=read.table("../data/LocusZoom/EIF2A_leadsnp.txt.ld", header=T) %>% select(BP_B, R2)
colnames(LD_structure)=c("Location", "R2")
allPheno_filt2=allPheno %>% filter(Location> 150292010 & Location < 150312010)
allPheno_filt_LD=allPheno_filt2 %>% inner_join(LD_structure, by="Location")
allPheno_filt_LD_melt=melt(allPheno_filt_LD, id.vars=c("Location", "R2"))
lockedscale=ggplot(allPheno_filt_LD_melt, aes(x=Location, y=-log10(value), col=R2)) + geom_point() + facet_grid( rows=vars(variable)) + geom_vline(xintercept=150302010, linetype="dashed", color = "red") + theme_linedraw()
freescale=ggplot(allPheno_filt_LD_melt, aes(x=Location, y=-log10(value), col=R2)) + geom_point() + facet_grid( rows=vars(variable), scales = "free") + geom_vline(xintercept=150302010, linetype="dashed", color = "red") + theme_linedraw()
plot_grid(lockedscale,freescale, align = "v", ncol=1)
sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS Sierra 10.12.6
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] grid stats graphics grDevices utils datasets methods
[8] base
other attached packages:
[1] bindrcpp_0.2.2 cowplot_0.9.3 ggpubr_0.1.8
[4] magrittr_1.5 data.table_1.11.8 VennDiagram_1.6.20
[7] futile.logger_1.4.3 forcats_0.3.0 stringr_1.3.1
[10] dplyr_0.7.6 purrr_0.2.5 readr_1.1.1
[13] tidyr_0.8.1 tibble_1.4.2 ggplot2_3.0.0
[16] tidyverse_1.2.1 reshape2_1.4.3 workflowr_1.1.1
loaded via a namespace (and not attached):
[1] tidyselect_0.2.4 haven_1.1.2 lattice_0.20-35
[4] colorspace_1.3-2 htmltools_0.3.6 yaml_2.2.0
[7] rlang_0.2.2 R.oo_1.22.0 pillar_1.3.0
[10] glue_1.3.0 withr_2.1.2 R.utils_2.7.0
[13] lambda.r_1.2.3 modelr_0.1.2 readxl_1.1.0
[16] bindr_0.1.1 plyr_1.8.4 munsell_0.5.0
[19] gtable_0.2.0 cellranger_1.1.0 rvest_0.3.2
[22] R.methodsS3_1.7.1 evaluate_0.11 labeling_0.3
[25] knitr_1.20 broom_0.5.0 Rcpp_0.12.19
[28] formatR_1.5 backports_1.1.2 scales_1.0.0
[31] jsonlite_1.5 hms_0.4.2 digest_0.6.17
[34] stringi_1.2.4 rprojroot_1.3-2 cli_1.0.1
[37] tools_3.5.1 lazyeval_0.2.1 futile.options_1.0.1
[40] crayon_1.3.4 whisker_0.3-2 pkgconfig_2.0.2
[43] xml2_1.2.0 lubridate_1.7.4 assertthat_0.2.0
[46] rmarkdown_1.10 httr_1.3.1 rstudioapi_0.8
[49] R6_2.3.0 nlme_3.1-137 git2r_0.23.0
[52] compiler_3.5.1
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