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Intersectbed Provides An Empty Output

Hi,I've downloaded the recent Cygwin version 1.7.24 and an trying to run bedTools but I get an empty file as my output. When I run the same commandline and files on a colleagues computer also through...

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How To Count Genes In Genomic Regions Using A Gtf/Gff3 And A Bed File Of Regions

I'd like to count the number of unique genes in a gff file falling within a list of genomic regions. With bedtools I can count the number of regions within the gff which is almost what I want, but not...

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General Considerations For Genomic Overlaps?

Hello I was wondering about general considerations for performing overlap of genomic regions and doing Monte Carlo-type statistics. Below I have made a description of how I do it, unfortunately Im not...

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Intersect Gene Annotation With Specific Position Or Genomic Interval

Hi,I've several genomic interval and I want to check if they are overlapping with known gene. I've a gtf file with the coordinates of gene exons. My idea was to use intersectBed from bedtools but I've...

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Tool For Binning Windowbed Output For K-Means Clustering

I have mapped high resolution ChIP-seq data to transcription start sites using windowBed. I now want to bin the data, in bin sizes of my choosing, relative to TSSs so that I can generate heat maps and...

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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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Changing Column Order In Bed File

Here is my data with A, B, C and D columns in my bed file. A. B. C. D. Chr 1. 1. 12. + Chr 2. 24. 56. +How can I move my D column to position 1 where the Column A right now?

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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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Creating Bed File For Lncrna Using Gencode Gtf File

Hi all,I want to get the bed file of lncRNA based on GENCODE GTF fileI download the file "gencode.v16.long_noncoding_RNAs.gtf.gz", and extract the chr, start, end info from the file, then I use...

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Extract coverage per feature from a bam and bed to a file

Hi,   a simple task.. or should be. I need to extract the average coverage per feature in a bam  file. I have a genbank and bed file for the reference the bam was mapped to. if I map with e.g. Geneous...

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Bedtools Multicov Need A Bam Index File Specification Option

bedtools version 2.16.2 multicov used to compute the multiple sample coverage given a feature file(gtf bed).format: bedtools multicov -bams alin1.bam aln2.bam .. -bed capturRegion.bed...

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Calculating Exome Coverage

*// Edit to make the post more clear (Mapping done via Bowtie2). My problem is that when counting Exome Coverage via coverageBed gives different results than via genomeCoverageBed. So I'm not sure if...

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Filter a bam file

Hi,I would like to know if is possible to filter a bam file with a bed file. I want to keep only all reads non-overlapped with my bed file. Do you know if there is a option or a way to do that with...

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How To Create A Read Density Profile Within A Interval?

HI!I need some help: I have to create density profile with a window specific of 1kb (how many time a sequence is detected after NGS method). I have to use SAM and BEDtools, I think I can use genomeCov...

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Dfference between intersectBed and multiIntersectBed

When I compare the two bed files using intersectBed and multiIntersectBEd, I see different results like:multiIntersectBed -i R1_merge.bg R2_merge.bg | grep "gi|589289284|ref|NW_006711693.1|"...

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Tutorial: Introduction to bedtools.

We have created a basic tutorial introducing bedtools. It is intended for folks that are new to the tools, but in addition, there are some puzzles at the end that may be useful for people that use...

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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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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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Snps Comparison

Hello,I would like to compare SNPs from different methods:number of SNPsSNPs postion (position where method A has SNPs but not B and vice versa. Where both have SNPs)I would be interested to get a...

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Does Bedtools Intersect -V Consider Unmapped Reads "As Not In B"

bedtools intersect -v -abam my.bam -b myregions.gff > notinmyregions.bamwould we see reads with 4 in the FLAG field - i.e. unmapped reads in notinmyregions.bam

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