forked from ChaoTang-SCU/UCB
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathIR_find_and_GTF_merge.R
365 lines (234 loc) · 11.1 KB
/
IR_find_and_GTF_merge.R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
require(plyr)
require(multicore)
require(VGAM)
library("data.table")
setwd("/mnt/data5/BGI/UCB/tangchao/IR/Result")
####**** 1.merge all cells' data ****-------------------------------------------------------------------------------------
#### median
# merge multiple tables from a directory
multmerge = function(mypath){
#need to change the pattern accordingly !!!
filenames=list.files(path=mypath, pattern="txt", full.names=TRUE)
datalist = lapply(filenames, function(x){
tmp<-fread(x,header=TRUE, select = 4, sep = "\t")
setnames(tmp, "median",tail(strsplit(x,"/")[[1]],n=1))
return(tmp)})
Reduce(function(x,y) {cbind(x,y)}, datalist)
}
path<-file.path("/mnt/data5/BGI/UCB/tangchao/IR/Result/")
system.time(median_merge<-multmerge(path))
coordinates <- as.data.frame(fread(paste(path, "UCB1.01441.txt", sep = ""),select = 1:3, header =T, sep = "\t"))
event_id <- paste(coordinates$chr,":", coordinates$start, "-", coordinates$end, sep="")
IR_median <- data.frame(as.data.frame(median_merge), row.names = event_id)
colnames(IR_median) <- substr(colnames(IR_median),1,10)
save(IR_median, file = "/mnt/data5/BGI/UCB/tangchao/IR/median/IR_median.RData")
write.table(IR_median, "/mnt/data5/BGI/UCB/tangchao/IR/median/IR_median.txt", sep = "\t", quote=F)
#### mad
multmerge = function(mypath){
#need to change the pattern accordingly !!!
filenames=list.files(path=mypath, pattern="txt", full.names=TRUE)
datalist = lapply(filenames, function(x){
tmp<-fread(x,header=TRUE, select = 5, sep = "\t")
setnames(tmp, "mad",tail(strsplit(x,"/")[[1]],n=1))
return(tmp)})
Reduce(function(x,y) {cbind(x,y)}, datalist)
}
system.time(mad_merge<-multmerge(path))
# user system elapsed
# 4655.576 5546.676 10307.966
IR_mad <- data.frame(as.data.frame(mad_merge), row.names = event_id)
colnames(IR_mad) <- substr(colnames(IR_mad),1,10)
save(IR_mad, file = "/mnt/data5/BGI/UCB/tangchao/IR/mad/IR_mad.RData")
write.table(IR_mad, "/mnt/data5/BGI/UCB/tangchao/IR/mad/IR_mad.txt", sep = "\t", quote=F)
#### coverage
multmerge = function(mypath){
#need to change the pattern accordingly !!!
filenames=list.files(path=mypath, pattern="txt", full.names=TRUE)
datalist = lapply(filenames, function(x){
tmp<-fread(x,header=TRUE, select = 6, sep = "\t")
setnames(tmp, "coverage",tail(strsplit(x,"/")[[1]],n=1))
return(tmp)})
Reduce(function(x,y) {cbind(x,y)}, datalist)
}
system.time(coverage_merge<-multmerge(path))
# user system elapsed
# 4655.576 5546.676 10307.966
IR_coverage <- data.frame(as.data.frame(coverage_merge), row.names = event_id)
colnames(IR_coverage) <- substr(colnames(IR_coverage),1,10)
save(IR_coverage, file = "/mnt/data5/BGI/UCB/tangchao/IR/coverage/IR_coverage.RData")
write.table(IR_coverage, "/mnt/data5/BGI/UCB/tangchao/IR/coverage/IR_coverage.txt", sep = "\t", quote=F)
#### IRL
multmerge = function(mypath){
#need to change the pattern accordingly !!!
filenames=list.files(path=mypath, pattern="txt", full.names=TRUE)
datalist = lapply(filenames, function(x){
tmp<-fread(x,header=TRUE, select = 9, sep = "\t")
setnames(tmp, "irl",tail(strsplit(x,"/")[[1]],n=1))
return(tmp)})
Reduce(function(x,y) {cbind(x,y)}, datalist)
}
system.time(irl_merge<-multmerge(path))
# user system elapsed
# 4655.576 5546.676 10307.966
IR_irl <- data.frame(as.data.frame(irl_merge), row.names = event_id)
colnames(IR_irl) <- substr(colnames(IR_irl),1,10)
save(IR_irl, file = "/mnt/data5/BGI/UCB/tangchao/IR/IRL/IR_irl.RData")
write.table(IR_irl, "/mnt/data5/BGI/UCB/tangchao/IR/IRL/IR_irl.txt", sep = "\t", quote=F)
#### merge old data IR and new data IR ####
IR_median -> IR_median_new
IR_mad -> IR_mad_new
IR_coverage -> IR_coverage_new
IR_irl -> IR_irl_new
load("/mnt/data5/BGI/UCB/tangchao/IR/IR_before/median/IR_median.RData")
load("/mnt/data5/BGI/UCB/tangchao/IR/IR_before/mad/IR_mad.RData")
load("/mnt/data5/BGI/UCB/tangchao/IR/IR_before/coverage/IR_coverage.RData")
load("/mnt/data5/BGI/UCB/tangchao/IR/IR_before/IRL/IR_irl.RData")
## coverage
identical(row.names(IR_coverage_new),row.names(IR_coverage))
IR_coverage <- cbind(IR_coverage, IR_coverage_new)
colnames(IR_coverage) <- gsub(colnames(IR_coverage), pattern="UCB3", replacement="UCB4")
colnames(IR_coverage) <- gsub(colnames(IR_coverage), pattern="UCB1", replacement="UCB3")
colnames(IR_coverage) <- gsub(colnames(IR_coverage), pattern="UCB5", replacement="UCB1")
read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]
## only use the cells that BGI used
IR_coverage <- IR_coverage[,read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]]
save(IR_coverage, file = "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_coverage.RData")
write.table(IR_coverage, "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_coverage.txt", sep = "\t", quote=F, row.names = F)
## irl
IR_irl <- cbind(IR_irl, IR_irl_new)
colnames(IR_irl) <- gsub(colnames(IR_irl), pattern="UCB3", replacement="UCB4")
colnames(IR_irl) <- gsub(colnames(IR_irl), pattern="UCB1", replacement="UCB3")
colnames(IR_irl) <- gsub(colnames(IR_irl), pattern="UCB5", replacement="UCB1")
read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]
## only use the cells that BGI used
IR_irl <- IR_irl[,read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]]
save(IR_irl, file = "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_irl.RData")
write.table(IR_irl, "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_irl.txt", sep = "\t", quote=F, row.names = F)
## median
IR_median <- cbind(IR_median, IR_median_new)
colnames(IR_median) <- gsub(colnames(IR_median), pattern="UCB3", replacement="UCB4")
colnames(IR_median) <- gsub(colnames(IR_median), pattern="UCB1", replacement="UCB3")
colnames(IR_median) <- gsub(colnames(IR_median), pattern="UCB5", replacement="UCB1")
read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]
## only use the cells that BGI used
IR_median <- IR_median[,read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]]
save(IR_median, file = "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_median.RData")
write.table(IR_median, "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_median.txt", sep = "\t", quote=F, row.names = F)
## median
IR_mad <- cbind(IR_mad, IR_mad_new)
colnames(IR_mad) <- gsub(colnames(IR_mad), pattern="UCB3", replacement="UCB4")
colnames(IR_mad) <- gsub(colnames(IR_mad), pattern="UCB1", replacement="UCB3")
colnames(IR_mad) <- gsub(colnames(IR_mad), pattern="UCB5", replacement="UCB1")
read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]
## only use the cells that BGI used
IR_mad <- IR_mad[,read.table("/mnt/data5/BGI/UCB/ExpMat_NewID/Basic_stat.txt", sep = "\t", stringsAsFactors=F, header=T)[,1]]
save(IR_mad, file = "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_mad.RData")
write.table(IR_mad, "/mnt/data5/BGI/UCB/tangchao/IR/IR_merge/IR_mad.txt", sep = "\t", quote=F, row.names = F)
#### IRL
irl_rowSum <- rowSums(IR_irl, na.rm=T)
irl_NASum <- rowSums(is.na(IR_irl))
irl_dataSum <- rowSums(!is.na(IR_irl) & IR_irl>0)
sum(irl_dataSum>=10)
# 9880
coverage_Sum <- rowSums(IR_coverage == 100)
sum(coverage_Sum>=10)
# 7010
sub_irl <- IR_irl[intersect(names(coverage_Sum[coverage_Sum>=10]),names(irl_dataSum[irl_dataSum>=10])),]
dim(sub_irl)
#[1] 7010 3574
#### 5.validate IR using GTF file ---------------------------------------------------
library(GenomicRanges)
library(dplyr)
library(plyr)
library(pryr)
gtf <- read.table("/mnt/data1/reference/ensembl/human/Homo_sapiens.GRCh38.87.gtf",head=F,sep="\t")
exon <- subset(gtf,gtf$V3=="exon")
exon <- exon[!duplicated(exon[,c(1,4,5)]),]
exon_ca <- dlply(exon, "V1")
exon_c <- exon[,c(1,4,5)]
mode(exon_c)
exon_cn <- split(IRanges(exon_c[,2], exon_c[,3]), exon_c[,1])
IR <- data.frame(chr = do.call(rbind,strsplit(row.names(sub_irl), split = "[:-]"))[,1],
start = do.call(rbind,strsplit(row.names(sub_irl), split = "[:-]"))[,2],
end = do.call(rbind,strsplit(row.names(sub_irl), split = "[:-]"))[,3], event_id = row.names(sub_irl), stringsAsFactors = F)
IR <- IR[IR$chr %in% c(1:22,"X","Y"),]
unique(IR$chr)
chr <- unique(IR$chr)
IR_type <- dlply(IR, .variables = "chr")
for(j in 1:length(chr)){
print(chr[j])
eval(parse(text = paste("exon_cn$'",chr[j],"'->exon_chr",sep="")))
temp <- IR[IR$chr == chr[j],]
if(nrow(temp) > 1){
test <- as.matrix(temp[,1:3])
}else{
test <- t(as.matrix(temp[,1:3]))
}
mode(test) <- "numeric"
for(i in 1:nrow(test)){
ASrange <- IRanges(test[i,2], test[i,3])
## because the positions of SJ are intron sets, so we +- 1 to match exon sets
ASlen <- diff(c(test[i,2], test[i,3]))
ov_within<-countOverlaps(exon_chr, ASrange, type="within")
ov_start<-countOverlaps(exon_chr, ASrange, type="start")
ov_end<-countOverlaps(exon_chr, ASrange, type="end")
ov_equal<-countOverlaps(exon_chr, ASrange, type="equal")
ov_any<-countOverlaps(exon_chr,ASrange, type="any")
if (sum(ov_any)==0) {
AStype <- "intron_retention"
} else {
AStype <- "Others"
}
IR_type[[j]][i,"ASrange"] <- paste("chr", chr[j], ":", test[i,2],"-",test[i,3],sep="")
IR_type[[j]][i,"AStype"] <- AStype
IR_type[[j]][i,"OverlapCount"] <- paste(sum(ov_within),"|",sum(ov_start),"|",sum(ov_end),"|",sum(ov_equal),"|",sum(ov_any),sep="")
IR_type[[j]][i,"ASlen"] <- ASlen
print(paste(i," chr", chr[j], ":", test[i,2],"-",test[i,3]," ", AStype," - ",ASlen,sep=""))
}
}
IR_type <- do.call(rbind, IR_type)
head(IR_type)
table(IR_type$AStype)
# intron_retention Others
# 1099 5910
IR_type_raw <- IR_type
IR_type <- IR_type[IR_type$AStype == "intron_retention", ]
#### orignal gene finding ####
## all chr
chr <- unique(IR_type$chr)
IR_gtf_chr <- list()
system.time(for(j in 1:length(chr)){
print(paste("chr",chr[j]))
eval(parse(text = paste("exon_cn$'",chr[j],"'->exon_chr",sep="")))
temp <- IR_type[IR_type$chr == chr[j],]
eval(parse(text = paste("exon_ca$'",chr[j],"'->exon_ca_chr",sep="")))
if(nrow(temp) > 1){
test <- as.matrix(temp[,1:3])
}else{
test <- t(as.matrix(temp[,1:3]))
}
colnames(test) <- paste("V", 1:3, sep = "")
mode(test) <- "numeric"
ir_gtf_chr <- list()
for(i in 1:nrow(test)){
#print(i)
ASrange <- IRanges(test[i,2]-1, test[i,3]+1)
## because the positions of SJ are intron sets, so we +- 1 to match exon sets
hit_any <- queryHits(findOverlaps(exon_chr, ASrange, type="any"))
if(length(hit_any) > 0){
within_all <- data.frame(OverType = "any", exon_ca_chr[hit_any,])
}
ir_gtf_chr[[i]] <- suppressWarnings(cbind(temp[i,], within_all))
}
IR_gtf_chr[[j]] <- suppressMessages(bind_rows(ir_gtf_chr))
})
# user system elapsed
# 4079.416 40.844 4119.096
system.time(IR_GTF <- bind_rows(IR_gtf_chr))
dim(IR)
#[1] 7009 4
dim(IR_type)
#[1] 1099 8
dim(IR_GTF)
#[1] 4008 18
save(IR, IR_type, IR_GTF, file = "/mnt/data5/BGI/UCB/tangchao/IR/IR_GTF_match.RData")