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  • ksw9
    Member
    • May 2013
    • 32

    #1

    Create .bed file from Genbank file

    Hi,
    I am trying to generate a .bed file of coordinates for a list of genes of interest so that I can extract reads from those regions from .bam files I have generated. Is there a tool for extracting coordinates and generating a .bed file from an annotated Genbank file?

    Thank you,
  • GenoMax
    Senior Member
    • Feb 2008
    • 7142

    #2
    A google search found this: https://gist.github.com/brantfaircloth/893580

    Comment

    • ksw9
      Member
      • May 2013
      • 32

      #3
      Great, thank you!
      A related question: Is there a tool to generate .fasta consensus sequences from specific regions of interest? For example, I have a .bam file of all sample reads from which I extract reads of interest with bedtools intersect to create another .bam file. Then, I can use bedtools bamtofastq to generate a .fastq file of the regions of interest, but to then generate a .fasta consensus sequence, I do not want a .fasta covering the entire reference genome, but only the region indicated by the .bed file. Is there a tool for this?

      Comment

      • GenoMax
        Senior Member
        • Feb 2008
        • 7142

        #4
        Originally posted by ksw9 View Post
        Great, thank you!
        A related question: Is there a tool to generate .fasta consensus sequences from specific regions of interest? For example, I have a .bam file of all sample reads from which I extract reads of interest with bedtools intersect to create another .bam file. Then, I can use bedtools bamtofastq to generate a .fastq file of the regions of interest, but to then generate a .fasta consensus sequence, I do not want a .fasta covering the entire reference genome, but only the region indicated by the .bed file. Is there a tool for this?
        Try this to generate a consensus sequence from your genes of interest:

        samtools mpileup -uf ref.fa -l your_bed_file aln.bam | bcftools view -cg - | vcfutils.pl vcf2fq > cns.fq
        Then use seqtk to convert from fastq to fasta.

        Comment

        • ksw9
          Member
          • May 2013
          • 32

          #5
          Thanks, just what I was looking for!

          Comment

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