comparison filter_by_mouse_knockout_pipe @ 0:6411ca16916e default tip

initial commit
author Yusuf Ali <ali@yusuf.email>
date Wed, 25 Mar 2015 13:23:29 -0600
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-1:000000000000 0:6411ca16916e
1 #!/usr/bin/env perl
2
3 use strict;
4 use warnings;
5
6 my $quiet = 0;
7 if(@ARGV and $ARGV[0] =~ /^-q/){
8 $quiet = 1;
9 shift @ARGV;
10 }
11
12 @ARGV == 4 or die "Usage: $0 [-q(uiet)] <MGI knockout pheno data dir> <hgvs_annotated.txt> <output.txt> <query>\n",
13 "Where query has the format \"this or that\", \"this and that\", etc.\n",
14 "Knockout files are available from ftp://ftp.informatics.jax.org/pub/reports/MPheno_OBO.ontology and ftp://ftp.informatics.jax.org/pub/reports/HMD_HumanPhenotype.rpt\n";
15
16 my $mgi_dir = shift @ARGV;
17 my $obo_file = "$mgi_dir/MPheno_OBO.ontology";
18 my $human_mouse_file = "$mgi_dir/HMD_HumanPhenotype.rpt";
19 my $geno_pheno_file = "$mgi_dir/MGI_PhenoGenoMP.rpt";
20 my $hgvs_file = shift @ARGV;
21 my $out_file = shift @ARGV;
22 my $query = shift @ARGV;
23
24 #$query = quotemeta($query); # in case there are meta characters in the query, treat them as literals
25 my %problematic_terms = ();
26
27 # convert the query to a regex
28 my $orig_query = $query;
29 my $and_query = 0;
30 $query =~ s/\(\s*.+?\s*\)/my $s=$&;$s=~s(\s+or\s+)(|)g; $s/eg;
31 if($query =~ s/(\S+)\s+and\s+(\S+)/(?:$1.*?$2|$2.*?$1)/gi){
32 $and_query = 1;
33 }
34 $query =~ s/\s+or\s+/|/gi;
35 $query =~ s/\b([a-z])([a-z]+\b)/"[".uc($1)."$1]$2"/eg; # allow title case match in regex for letter only lower case words, otherwise make case sensitive as assuming gene name
36 #print STDERR "Query regex is $query\n" unless $quiet;
37
38 open(OBO, $obo_file)
39 or die "Cannot open $obo_file for reading: $!\n";
40 my %matched_pheno_ids;
41 my %pheno_id2subtypes;
42 my %pheno_id2name;
43 my $record_count;
44 $/ = "\n[Term]\n";
45 <OBO>; # chuck header
46 while(<OBO>){
47 next unless /^id:\s*(MP:\d+)/s;
48 my $id = $1;
49 next unless /\nname:\s*(.+?)\s*\n/s;
50 my $name = $1;
51 $pheno_id2name{$id} = $name;
52 $record_count++;
53 while(/\nis_a:\s*(MP:\d+)/g){
54 my $parent_id = $1;
55 $pheno_id2subtypes{$parent_id} = [] unless exists $pheno_id2subtypes{$parent_id};
56 push @{$pheno_id2subtypes{$parent_id}}, $id;
57 }
58 if(exists $problematic_terms{$id}){
59 if($name =~ /\b($query)/o){ # strict matching of name only if an entry with problematic free text
60 my $match = $1;
61 $match =~ tr/\t\n/ /;
62 $match =~ s/ {2,}/ /g;
63 if(not exists $matched_pheno_ids{$id}){
64 $matched_pheno_ids{$id} = $match;
65 }
66 elsif($matched_pheno_ids{$id} !~ /$match/){
67 $matched_pheno_ids{$id} .= "; $match";
68 }
69 }
70 }
71 elsif(/\b($query)/o){
72 my $match = $1;
73 $match =~ tr/\t\n/ /;
74 $match =~ s/ {2,}/ /g;
75 if(not exists $matched_pheno_ids{$id}){
76 $matched_pheno_ids{$id} = $match;
77 }
78 elsif($matched_pheno_ids{$id} !~ /$match/){
79 $matched_pheno_ids{$id} .= "; $match";
80 }
81 }
82 }
83 close(OBO);
84 #print STDERR "Found ", scalar(keys %matched_pheno_ids), "/$record_count phenotype ontology terms matching the query\n";
85
86 open(OUT, ">$out_file")
87 or die "Cannot open $out_file for writing: $!\n";
88
89 # Implements term subsumption
90 my @matched_pheno_ids = keys %matched_pheno_ids;
91 for(my $i = 0; $i <= $#matched_pheno_ids; $i++){
92 my $pheno_id = $matched_pheno_ids[$i];
93 next unless exists $pheno_id2subtypes{$pheno_id};
94 for my $sub_type_id (@{$pheno_id2subtypes{$pheno_id}}){
95 if(not exists $matched_pheno_ids{$sub_type_id}){
96 $matched_pheno_ids{$sub_type_id} = $matched_pheno_ids{$pheno_id};
97 push @matched_pheno_ids, $sub_type_id;
98 }
99 }
100 }
101
102 $/="\n"; # record separator
103 my %human2mouse;
104 # example line:
105 # WNT3A 89780 Wnt3a MGI:98956 MP:0003012 MP:0003631 ... MP:0010768
106 open(HUMAN2MOUSE, $human_mouse_file)
107 or die "Cannot open $human_mouse_file for reading: $!\n";
108 while(<HUMAN2MOUSE>){
109 my @F = split /\t/, $_;
110 $human2mouse{$F[0]} = $F[2];
111 }
112 close(HUMAN2MOUSE);
113
114 my %gene2pheno_ids;
115 # example line:
116 # Rbpj<tm1Kyo>/Rbpj<tm1Kyo> Rbpj<tm1Kyo> involves: 129S2/SvPas * C57BL/6 MP:0001614 15466160 MGI:96522
117 open(PHENO, $geno_pheno_file)
118 or die "Cannot open $geno_pheno_file for reading: $!\n";
119 while(<PHENO>){
120 chomp;
121 my @F = split /\t/, $_;
122 next unless $#F > 2; # does it have the phenotype id field?
123 my $knockout = $F[0];
124 next if $knockout =~ /,/; # ignore double knockouts etc.
125 $knockout =~ s/^(\S+?)<.*/$1/; # keep only first gene name bit of knockout description
126 my $pheno_id = $F[3];
127 $gene2pheno_ids{$knockout} = [] unless exists $gene2pheno_ids{$knockout};
128 push @{$gene2pheno_ids{$knockout}}, [$pheno_id,$F[4]];
129 }
130
131 # remove genes if they don't have a matching phenotype
132 for my $gene (keys %gene2pheno_ids){
133 my $keep = 0;
134 for my $pheno_id (@{$gene2pheno_ids{$gene}}){
135 if(exists $matched_pheno_ids{$pheno_id->[0]}){
136 $keep = 1;
137 last;
138 }
139 }
140 delete $gene2pheno_ids{$gene} unless $keep;
141 }
142 #print STDERR "Found ", scalar(keys %gene2pheno_ids), " genes with knockout phenotype ontology terms matching the query\n" unless $quiet;
143
144 $/ = "\n"; # one line at, a time from the HGVS file please!
145 open(HGVS, $hgvs_file)
146 or die "Cannot open $hgvs_file for reading: $!\n";
147 my $header = <HGVS>;
148 chomp $header;
149 my @header_columns = split /\t/, $header;
150 my $gene_name_column;
151 for(my $i = 0; $i <= $#header_columns; $i++){
152 if($header_columns[$i] eq "Gene Name"){
153 $gene_name_column = $i;
154 }
155 }
156 if(not defined $gene_name_column){
157 die "Could not find 'Gene Name' column in the input header, aborting\n";
158 }
159 print OUT "$header\tMouse Knockout Phenotypes (matching $orig_query)\tMouse Phenotypes (other)\n";
160
161 # Check if any of the variants in the annotated HGVS table are in knockout genes matching the target phenotypes list
162 while(<HGVS>){
163 chomp;
164 my @F = split /\t/, $_, -1;
165 my (%target_phenos, %other_phenos);
166 for my $gene_name (split /\s*;\s*/, $F[$gene_name_column]){
167 next unless exists $human2mouse{$gene_name};
168 next unless exists $gene2pheno_ids{$human2mouse{$gene_name}};
169 for my $pheno_id (@{$gene2pheno_ids{$human2mouse{$gene_name}}}){
170 my ($id, $pmid) = @$pheno_id;
171 if(exists $matched_pheno_ids{$id}){
172 $target_phenos{$pmid} = [] unless exists $target_phenos{$pmid};
173 push @{$target_phenos{$pmid}}, $pheno_id2name{$id}."($matched_pheno_ids{$id})";
174 }
175 else{
176 $other_phenos{$pmid} = [] unless exists $other_phenos{$pmid};
177 push @{$other_phenos{$pmid}}, $pheno_id2name{$id};
178 }
179 }
180 }
181 if(%target_phenos){
182 print OUT join("\t", @F);
183 print OUT "\t";
184 my $count = 0;
185 for my $pmid (keys %target_phenos){
186 print OUT " // " if $count++;
187 print OUT "PubMed $pmid: ", join("; ", @{$target_phenos{$pmid}});
188 }
189 print OUT "\t";
190 $count = 0;
191 for my $pmid (keys %other_phenos){
192 print OUT " // " if $count++;
193 print OUT "PubMed $pmid: ", join("; ", @{$other_phenos{$pmid}});
194 }
195 print OUT "\n";
196 }
197 else{
198 print OUT join("\t", @F, "", ""), "\n";
199 }
200 }
201 close(HGVS);
202 close(OUT);