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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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          "  !#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''(&(&)(''&''#%$#%ASCXNCXMCXOCXGCNMCMDZ21YTZUUê“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2103:7127:52009PÅ($!$(D%%'%'&(''''''%%%%%"ASCXNCXMCXOCXGCNMCMDZ21YTZUUì“(*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2204:5252:65081pÅ($!$(DÄ))())())()'''''%%%%%"""ASCXNCXMCXOCXGCNMCMDZ23YTZUUí“)*IˇˇˇˇˇˇˇˇJLK5VL1:383:H0TDTADXX:1:2212:10510:35497`Å($!$(D"
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$!!!!%%%!###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

          • 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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                    Environmental Genomics in the Age of NGS: From Microbes to Conservation Strategies
                    by SEQadmin2

                    Studying ecosystems means dealing with complex, multi-species communities that are hard to observe at scale. This complexity, however, hides many important questions to be answered, from how biogeochemical cycles work and how climate change can affect species distribution to how conservation strategies can work best.


                    Genomics, particularly since the expansion of NGS, has transformed ecosystem ecology. By sequencing environmental DNA, we can now assess biodiversity without direct...
                    05-06-2026, 09:04 AM

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