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  • jazz
    Member
    • Nov 2008
    • 28

    compare genomic features from gff file to a SAM/BED file

    I have an alignment from Bowtie2 for my RNA-IP and I want to compile a pie chart of % of reads mapping to different genomic features like exons, introns, UTR's etc. I am planning to compare my BAM/BED file to a genome annotation gff file. I have heard of intersectbed in bedtools, however the gff files and bed files have genomic coordinates in different columns. can anyone suggest a simple fix for that? I have also heard of people using mpileup option in samtools, although I have no idea how that would work here. I am a bioinformatics newbie, so writing custom scripts is out of question at this point. Given that this is a very commonly sought after problem, I am hopeful that one of the great minds would have found an easy solution for this.
    Thanks in advance!
  • dariober
    Senior Member
    • May 2010
    • 311

    #2
    Originally posted by jazz View Post
    I have heard of intersectbed in bedtools, however the gff files and bed files have genomic coordinates in different columns. can anyone suggest a simple fix for that?
    No need to fix anything! Bedtools recognizes the file format (GFF/bed/bam) and handles it accordingly. Have you tried it at all with your files?

    Dario

    Comment

    • jazz
      Member
      • Nov 2008
      • 28

      #3
      I am getting a bizarre result from using the intersectbed from bedtools. The output bed file contains strange characters and not the chromosomal coordinates as I expected.
      Any suggestions?
      Can anyone explain if the samtools mpileup would help?

      Thanks

      Comment

      • dariober
        Senior Member
        • May 2010
        • 311

        #4
        Originally posted by jazz View Post
        I am getting a bizarre result from using the intersectbed from bedtools. The output bed file contains strange characters and not the chromosomal coordinates as I expected.
        Any suggestions?
        Can anyone explain if the samtools mpileup would help?

        Thanks
        Hi there,

        It would help other people answering you if you post
        - The command line you executed
        - A sample (a few lines) of the output including errors and messages
        - A sample of the input files

        Dario

        Comment

        • jazz
          Member
          • Nov 2008
          • 28

          #5
          Sorry!

          Here is the command I tried:

          intersectbed -a Inputfile.bed -b compare.gff > output.bed

          The first few lines of the resulting bed file look like this:

          BAM◊‹%@HD VN:1.0 SO:unsorted
          @SQ SN:scaffold16 LN:1343
          @SQ SN:scaffold6 LN:1021
          @SQ SN:scaffold4 LN:958
          @SQ SN:scaffold22 LN:923

          Below, there is something like this:

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#%!%&'%%#%%ASCXNCXMCXOCXGCNMCMDZ25YTZUUó”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2201:12566:71306êÇABAÇÑAàÄ%&$)())('% "%%#%'%%%%%"!ASCXNCXMCXOCXGCNMCMDZ25YTZUUï”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2202:18198:47631ÄÇABAÇÑAà(()(&()()'&'&''%$%###!!ASCXNCXMCXOCXGCNMCMDZ24YTZUUî”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2202:2362:66940ÄÇABAÇÑAà())))))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ24YTZUUé”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2203:2172:23622@ÇABAÇÑA%'&()))'&&''%%%%%""ASCXNCXMCXOCXGCNMCMDZ20YTZUUì”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2205:4395:36383pÇABAÇÑAà()))))))()'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUñ”)IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2216:10710:74034pÇÇABAÇÑAà&&&$'(&'%" #'#'$#%%#ASc˚XNCXMCXOCXGCNMCMDZ0A22YTZUUî‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1105:3277:44016Ä($!$(DÅà%"'$$''$"$' 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IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1209:7509:61608P$(DÅàABÄ""%%%%%'&&'')))))())ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUìfi)#IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1101:19285:54092@$(DÅàAB(&())((''''%%%%%%"ASCXSc˙XNCXMCXOCXGCNMCMDZ20YTZUUï·) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1106:17172:28460PÇÑAàÑ(BÄ%#$#%''''&)))()))&ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUì·)"IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1214:13003:11554@ÇÑAàÑ(B"""%%%%%'''''))()))(ASCXSc˚XNCXMCXOCXGCNMCMDZ20YTZUUî·( IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2213:6335:24825PÇÑAàÑ(BÄ"""%%%%%'''&'))))))))ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUí (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1212:7719:35597@Ñ((ÑBà #$%%' %'&'(&!!&&(ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUí )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2105:12730:197780Ñ((ÑBÄ""%%%%%%''''&((&&'ASCXSCXNCXMCXOCXGCNMCMDZ19YTZUUï )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1104:10693:56496PÅ!(AÇÇàD(Ñ """%%%%%''''&))()))))ASCXSCXNCXMCXOCXGCNMCMDZ21YTZUUí )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1209:14997:555950Å!(AÇÇàD(Ä"""%%%%%'''''(())))ASCXSCXNCXMCXOCXGCNMCMDZ19YTZUUî (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2110:11871:3278PÅ!(AÇÇàD(Ñ """%%%%#'''''()')))))ASCXSCXNCXMCXOCXGCNMCMDZ21YTZUUï )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2114:18299:89262PÅ!(AÇÇàD(Ñ #####'''!%$&(&&ASCXSCXNCXMCXOCXGCNMCMDZ21YTZUUï )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2206:13913:17841PÅ!(AÇÇàD(Ñ """%%%%#'''''))))))))ASCXSCXNCXMCXOCXGCNMCMDZ21YTZUUì )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2206:20333:22711@Å!(AÇÇàD(Ñ"""%%%%#'%'''()(()))ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUí (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2106:4675:75715@Ñ"Ñ!Å!)))()))'''''%%#%%"!"ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUê< )"IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2101:16869:10135 BÇÑD(ÅH"B)(((&'!'!&%%#%%ASCXSc˚XNCXMCXOCXGCNMCMDZ18YTZUUï@ ) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2213:17512:13789PÑD(ÅH"B!B ""%%#%%'''''()))))))ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUïG )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1104:16569:86225@Ç$"$Ç!B#"'#'&"#%##!#ASc˚XSc˚XNCXMCXOCXGCNMCMDZ11A8YTZUUíG (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1116:5607:77564@Ç$"!Ç!B&&($(((%''###%###ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUñG )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1203:10461:40370`Ç$"!Ç!BÇ&%#$!&&%%''!##%%%%ASCXSCXNCXMCXOCXGCNMCMDZ22YTZUUíG (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2102:8390:14238@Ç$"!Ç!B(&&%(#'#%##'#%%%%ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUñO )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1206:18423:84555`!Ç!BÇ!BÇ('$'%('"$&&##' %###ASCXSCXNCXMCXOCXGCNMCMDZ22YTZUUíT (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1103:3897:51516@!B("("ÑH)))))))'''''%%%%%"""ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUíT )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2105:19766:933400!B("("Ñ@((%))(%%%'&###%%"ASCXSCXNCXMCXOCXGCNMCMDZ19YTZUUòi ) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2115:20101:40407pHÑ(B(DàBÑÄ""%%%%%'&%&'%((&'&((((ASCXSc˚XNCXMCXOCXGCNMCMDZ23YTZUUñr *IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2111:10371:100573P!BÑHÑ(HÑ(@&&&$!$(&'&'''%%%%%"""ASCXSCXNCXMCXOCXGCNMCMDZ21YTZUUíü ("IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2211:1274:32249@!BÑBÑàÑ!((&%()&%''&'%%%##!!ASCXSc˚XNCXMCXOCXGCNMCMDZ20YTZUUô≠ ) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1103:20055:27875ÄÑ!ÇÑH"Ç!Ç((''())))(('''''%%%%%!!ASCXSc˚XNCXMCXOCXGCNMCMDZ24YTZUUêª )"IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2206:11020:48210 "Ç!Çà!Ç)))))'''''%%%%%!!!ASCXSc˚XNCXMCXOCXGCNMCMDZ18YTZUUï¿ (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2115:12981:3475`"(Å(Ç(Bà&&&'&'$ %%!'%#%##ASCXSCXNCXMCXOCXGCNMCMDZ22YTZUUï )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2116:11206:58814@"ÅAàÅ&$(&&&)'''%'%%%%%"""ASc˚XSc˙XNCXMCXOCXGCNMCMDZ0T19YTZUUî
          )*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1206:19932:98308pÇ$HÑÇÑ!!Ä"""%%%%%''''')())))))))ASCXNCXMCXOCXGCNMCMDZ23YTZUUë
          ("IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1109:1943:983830ÇÑ!!Å"àÑ"""%%%%%'''''))))()ASCXSc˚XNCXMCXOCXGCNMCMDZ19YTZUUë
          ("IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2108:7758:743890ÇÑ!!Å"àÑ"""%%%%%'''''))))))ASCXSc˚XNCXMCXOCXGCNMCMDZ19YTZUUè
          (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2111:2705:390750BÑ!!Å"àÑ## ""#%$ &ASc˚XNCXMCXOCXGCNMCMDZ0T18YTZUUô"
          )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2213:20007:56613ÄÅ"àÑ!ÑÅ$###!%##%&'$%$&&ASCXSCXNCXMCXOCXGCNMCMDZ24YTZUUí.
          (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1204:5967:66521@!ÑÅ$AÇ))(('))'''''%%%%#!!ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUî?
          (IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2111:6446:99235@"à"àAàÑH(())))(''#&'%%%%%"""ASc˙XSc˙XNCXMCXOCXGCNMCMDZ0C19YTZUUì^
          )IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2106:11632:21600@(Ñà$Çà")((((()'&'''%%%%%"""ASCXSCXNCXMCXOCXGCNMCMDZ20YTZUUõ_
          ( IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2212:8365:29810†àHÅÇH(Ç!ÅàÅ"######%''%((&'&$'&(&'$&ASCXSc˚XNCXMCXOCXGCNMCMDZ26YTZUUîs
          ( IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1113:5678:26750PàÅ"BÑ(Ä%#%%%'&%%'($ $!#'ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUîz

          These are just snippets, since the whole file is pretty big

          Comment

          • jazz
            Member
            • Nov 2008
            • 28

            #6
            I tried it again and this time it gave a sane output like this

            scaffold68 3144 3165 JLK5VL1:383:H0TDTADXX:1:1116:17468:54631 42 +
            scaffold68 3162 3184 JLK5VL1:383:H0TDTADXX:1:1205:10063:18561 42 -
            scaffold68 3213 3232 JLK5VL1:383:H0TDTADXX:1:2211:8864:24912 42 -
            scaffold68 3229 3250 JLK5VL1:383:H0TDTADXX:1:2103:11115:20978 42 -
            scaffold68 3230 3250 JLK5VL1:383:H0TDTADXX:1:2210:10068:78079 23 -
            scaffold68 3325 3346 JLK5VL1:383:H0TDTADXX:1:2204:21149:40214 24 +
            scaffold68 3352 3373 JLK5VL1:383:H0TDTADXX:1:2114:18637:46559 24 -
            scaffold68 3352 3373 JLK5VL1:383:H0TDTADXX:1:2216:4275:35276 42 -
            scaffold68 3367 3389 JLK5VL1:383:H0TDTADXX:1:1102:12483:97822 24 +
            scaffold68 3405 3427 JLK5VL1:383:H0TDTADXX:1:1215:17603:90243 42 -

            Comment

            • lran2008
              Member
              • Apr 2013
              • 35

              #7
              Hi, have you found out how to do it? I am also having this problem.

              Comment

              • shi
                Wei Shi
                • Feb 2010
                • 236

                #8
                You may try the featureCounts program included in the Subread package.

                Comment

                • dariober
                  Senior Member
                  • May 2010
                  • 311

                  #9
                  Originally posted by jazz View Post
                  Here is the command I tried:

                  intersectbed -a Inputfile.bed -b compare.gff > output.bed

                  The first few lines of the resulting bed file look like this:

                  BAM◊‹%@HD VN:1.0 SO:unsorted
                  @SQ SN:scaffold16 LN:1343
                  @SQ SN:scaffold6 LN:1021
                  @SQ SN:scaffold4 LN:958
                  @SQ SN:scaffold22 LN:923
                  Hi- I suspect your "Inputfile.bed" is not a bed file as the name suggests but a bam file. Could you post the output of:

                  Code:
                  head Inputfile.bed 
                  head compare.gff
                  If Inputfile.bed is indeed a bam file you should use something like (depending on exactly what output you want):
                  Code:
                  intersectBed -abam Inputfile.bam -b compare.gff -bed -wb > results.bed

                  Comment

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