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  • 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!

  • #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


    • #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


      • #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


        • #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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          "  !#ASCXNCXMCXOCXGCNMCMDZ23YTZUUî—)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1113:10490:13666pÇABAÇÑAÄ('%)))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUë“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1112:6679:60130`Å($!$(D"%%%%%''''')'(&((('(ASCXNCXMCXOCXGCNMCMDZ22YTZUUí“)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2102:10863:63575`Å($!$(D"""%%%%%'''''))))))''(ASCXNCXMCXOCXGCNMCMDZ22YTZUUê“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1207:1741:35309PÅ($!$(D''(&(&)(''&''#%$#%ASCXNCXMCXOCXGCNMCMDZ21YTZUUê“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2103:7127:52009PÅ($!$(D%%'%'&(''''''%%%%%"ASCXNCXMCXOCXGCNMCMDZ21YTZUUì“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2204:5252:65081pÅ($!$(DÄ))())())()'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUí“)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2212:10510:35497`Å($!$(D"
          % $!!!!%%%!###ASCXNCXMCXOCXGCNMCMDZ22YTZUUé”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1102:2867:20247@ÇABAÇÑA')()())'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ20YTZUUë”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1102:8425:48665`ÇABAÇÑAà())))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ22YTZUUí”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1103:13170:30492`ÇABAÇÑAà'))))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ22YTZUUê”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1104:6781:65853PÇABAÇÑAÄ&('$()()'%%%'#%%%%"""ASCXNCXMCXOCXGCNMCMDZ21YTZUUé”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1112:7147:56091@ÇABAÇÑA'&&))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ20YTZUUê”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1112:8098:65458PÇABAÇÑAÄ())(()(('''''%%%%%"ASCXNCXMCXOCXGCNMCMDZ21YTZUUí”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1113:16505:73260`ÇABAÇÑAà'&(()))''%%'&'%%%%%!ASCXNCXMCXOCXGCNMCMDZ22YTZUUñ”)IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1211:10351:13410pBÇABAÇÑAà(&$()()))'%'''&%%%%%"""ASc˙XNCXMCXOCXGCNMCMDZ0A22YTZUUê”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2104:20388:8832PÇABAÇÑAÄ))))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ21YTZUUí”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2105:15570:76700`ÇABAÇÑAà'))))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ22YTZUUê”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2108:1907:87880PÇABAÇÑAÄ''&)))))'''''%%%%%ASCXNCXMCXOCXGCNMCMDZ21YTZUUì”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2110:7114:11279pÇABAÇÑAà%)()))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUê”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2114:8347:67654PÇABAÇÑAÄ'#(&((((&&''!###%#ASCXNCXMCXOCXGCNMCMDZ21YTZUUí”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2115:19327:11357`ÇABAÇÑAà!(%)(())('%'''%%%%%""ASCXNCXMCXOCXGCNMCMDZ22YTZUUó”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2201:11110:50153êÇABAÇÑAàÄ'#(&(&#%$$ #%!%&'%%#%%ASCXNCXMCXOCXGCNMCMDZ25YTZUUó”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2201:12566:71306êÇABAÇÑAàÄ%&$)())('% "%%#%'%%%%%"!ASCXNCXMCXOCXGCNMCMDZ25YTZUUï”)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2202:18198:47631ÄÇABAÇÑAà(()(&()()'&'&''%$%###!!ASCXNCXMCXOCXGCNMCMDZ24YTZUUî”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2202:2362:66940ÄÇABAÇÑAà())))))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ24YTZUUé”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2203:2172:23622@ÇABAÇÑA%'&()))'&&''%%%%%""ASCXNCXMCXOCXGCNMCMDZ20YTZUUì”(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2205:4395:36383pÇABAÇÑAà()))))))()'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUñ”)IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2216:10710:74034pÇÇABAÇÑAà&&&$'(&'%" #'#'$#%%#ASc˚XNCXMCXOCXGCNMCMDZ0A22YTZUUî‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1105:3277:44016Ä($!$(DÅà%"'$$''$"$' ''%%$%##ASCXNCXMCXOCXGCNMCMDZ24YTZUUë‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1208:7802:34643`($!$(DÅ(&$$)($&&''&''%%%%%ASCXNCXMCXOCXGCNMCMDZ22YTZUUë‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2116:7778:29884`($!$(DÅ))))))))('''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ22YTZUUê‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2201:2018:63939P($!$(DÄ)'&&'((#'%#%'#%%%%"""ASCXNCXMCXOCXGCNMCMDZ21YTZUUé‘(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2205:6440:23480@($!$(D)))))))'''''%%%%#"!!ASCXNCXMCXOCXGCNMCMDZ20YTZUUé’)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1104:10597:245130ÇABAÇÑAÄ))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ19YTZUUè’)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1107:11301:46632@ÇABAÇÑAà))))))('%''&%%%%%""!ASCXNCXMCXOCXGCNMCMDZ20YTZUUê’(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1116:7714:37811PÇABAÇÑAà!&(!((&" ''%'%#%%%"""ASCXNCXMCXOCXGCNMCMDZ21YTZUUé’)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1201:14408:333510ÇABAÇÑAÄ))))))'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ19YTZUUë’)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1212:15336:85329PÇABAÇÑAà%$(!$&&!%##%%%%##ASCXNCXMCXOCXGCNMCMDZ21YTZUUç’(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1213:8794:577530ÇABAÇÑAÄ())(()%''!##%%%#ASCXNCXMCXOCXGCNMCMDZ19YTZUUê◊(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2208:8325:13729PABAÇÑAàÄ)))))(()'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ21YTZUUï€) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2103:3275:100501PBAÇÑAàÑ"%&)))(&''&''%%%#%"ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUï›) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2104:18900:88114PAÇÑAàÑ ""%%%%%'''''))())))(ASCXSc˚XNCXMCXOCXGCNMCMDZ21YTZUUõ›) IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1112:15391:75683êAÇÑAàÑ(BÄ))))))))))))'''''%%%%%"""ASCXSc˙XNCXMCXOCXGCNMCMDZ25YTZUUí›)"IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1211:21140:394260AÇÑAàÑ')()))'''''!%%%%""ASCXSc˚XNCXMCXOCXGCNMCMDZ19YTZUUîfi( IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:1209:7509:61608P$(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


          • #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


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

              Comment


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

                Comment


                • #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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                  Last Post seqadmin  
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