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Intersectbed Tool Generating Empty File

I have used the Bedtools command intersectBed to check the overlap between two bed files. A is my INDEL file and B is my Reference file. But it is producing an empty output file. I thought the problem...

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bedtools: extracting no coverage regions

Hello,I am not sure if this has been answered before as I looked and couldn't find a simple answer.I have a bam file, and all I want is to annotated all regions with 0 coverage in bed format. Is that...

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Error In Bedtools Getfasta: Chromosome Not Found

Hi, I am triing to use BEDtools to get some sequences from genomic coordinates. But I am having an errors saying " WARNING. chromosome (chr12) was not found in the FASTA file. Skipping." for each read...

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Calculating GC content from BAM file by BED file

Dear all,I have bedg file created from bedtools - chr1 1 10 num_of_reads chr1 10 20 num_of_reads chr1 20 30 num_of_reads . . .3th column is information about overlapping reads at this region. I would...

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How To Find The Closest Distance From Bed Files Between Genes And Repeats...

How can I use the closestBed from bedtools to find the closest locations between two bed files. The important bit here is that i want them to be upstream and in correct oriantation.When I use the -s...

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Bedtools "Segmentation Fault" While Working With Genome.Fa

I wanted to use BEDTools to extract genomic sequences (fastaFromBed). My BED file has all 24 chromosomes, hence I want to use whole genome (merged from chromosome.fa). Tried to: fastaFromBed -fi...

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Why does BedTools Map operation produce all dots as output?

I am using BedTools Map operation to map the DNAse I signal of a cell type into some chromosome regions, by computing the mean on the third column The command I use is the following: $ bedtools map -a...

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Genbank to bed conversion for bedtools analysis

Hi, I need to use bedtools to obtain the coverage across two bam files for comparison. However, to do this, I need a .bed file of the genome features (of the reference genome used to generate the...

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Extract rows from BED file on the base of text content in one column

Hi,I am a newbie with scripting so I can't find an easy solution to this question by myself and I'd like to ask for some help.I have a long list of BED files, and for each file I want to scan them row...

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Different coverage from bedtools and in vcf file - HELP PLEASE

Dear all, I have trouble to understand how bedtools computing coverage. I have vcf file (generated from Illumina somatic caller) - I was created bed file from my vcf. Then I try to compute coverag with...

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Filtering Bed Files By Using Bedops

hello every one,I have paired end illumina reads, R1.fastq and R2.fastq and I have mapped them as single-end reads by using bowtie2 default parameters, I performed further downstream analysis by using...

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Does Windowbed Extend Reads?

I am using WindowBed, part of the BedTools suite, to align reads to a reference file and I obtained a very interesting result. I am trying to rule out an analysis artifact that could be caused by...

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How To Combine Fpkm Values From Cufflinks With Contigs From De Novo Assembly...

Hi all,I am working on RNA-seq data analysis. I've finished running Tophat and Cufflinks to get FPKM values for each read from Illumina pair-end sequence. Also, parallely I've run Velvet to get contig...

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Samtools or Bedtools: How to filter a bam file with a bed file using strand...

HiI would like to filter a bam file, keeping only reads overlapping with genomic intervals from a bed file. I used samtools for this:samtools view -b -h -L bedfile.bed bamfile.bam However the -L option...

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Multi Thread Bedtools

Hi,Is there a multi thread version of bedtools ? or is this feature in development ? Thanks,N.

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Annotating Genomic Intervals

How can I annotate human genomic intervals (BED file) from a ChIP-seq experiment with information such as whether the interval overlaps with a gene(s)? Upstream of a gene? Overlaps with an exon?...

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What Is The Best Way To Run Bedtools In Parallel With Blocking

Say I am working on a server with a shared file system and 4 quad core nodes (I/O is not an issue, 16 cores total). I want to run coverageBed across 20 files. Currently I have a shell script that would...

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Get The Idea Of Splicing From Reads Mapped In Rna-Seq

I've got a set of 100 bam files from a public experiment, I want to have an idea of splicing in each of them regarding three exons,without entering in some kind of depth-level procedure like Cufflinks...

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Remove Intronic Regions in .BAM

HiI have a .BAM file which contains discordantly and concordantly mapped mate-pairs. I used bedtools Pairtobed to extract the mate-pairs which both show overlap with targeted regions (Illumina target...

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How Can I Compare And Merge Bed Files

I have three bed files with chrNo, start, end position and type. I need to compare each chrNo, start and end position of one file with 2 other files and write the common one in a new file. Can any one...

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