Quantcast
Channel: Post Feed
Browsing all 3764 articles
Browse latest View live
↧

Reproduce Encode/Cshl Long Rna-Seq Data Visualization Viewed In Ucsc, But...

Motivation The ENCODE data comes out, and luckily they provide both .bam file and .bigwig file. Thus, it occurs to me that I want to give a try to reproduce the data visualization with tool: BEDtools...

View Article


Finding Overlapping Variants (I.E. Indels, Snps) Using Annovar Format.

Hello,I know that using bedtools functions (specifically intersect and windows), it is possible to find overlapping features in the two sets of data. The catch here is that bedtools only accept the...

View Article


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...

View Article

How To Install Bedtools In A User Directory

I am trying to install Bedtools in a user directory, however I looked at the manual for its makefile, and there is no such argument like "--prefix" for me to change. Is there a way to install all...

View Article

Discrepancy In Samtools Mpileup/Depth And Bedtools Genomecoveragebed Counts

I am getting different counts for the number of bases on reference covered by aligned reads using samtools depth/mpileup and BEDTools genomeCoverageBed commands. I am using samtools-0.1.19 and...

View Article


Coveragebed, Depth/Breadth Of Coverage

I'm using coverageBed to calculate the depth and breadth of coverage, but I'm not sure I'm doing this right. I want to calculate the two values for each human chromosome. For example, I've created a...

View Article

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...

View Article

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...

View Article


Help With Exception When Using Bedtools Coveragebed With Paired Alignment....

I use bwa mem to align paired reads to few hundreds of microbial contigs; then I sort the alignment, and trying to get a coverage using bedtools genomecov -ibam alignments.paired.sorted.bam -bg...

View Article


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...

View Article

How To Get Fasta Format Using Fastafrombed Or How To Turn Linearized Fasta To...

I extracted sequences with fastaFromBed and have no complains about the BEDTools which is really awesome thing.Otherwise extracted sequences look like this:>chr19:13985513-13985622...

View Article

Getting Number Of Reads In Intervals With Bedtools

What is the correct way to get the total number of reads strictly contained in each interval in a GFF from a BAM file while enforcing strandedness? What I am looking for is very close to this...

View Article

Bed File Of Mapq Sliding Window On A Bam File?

There may already be a recipe for this, so asking first before reinventing the wheel: I would like to create a bed file where the score is the average mapQ from the reads of the input.bam file. I think...

View Article


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...

View Article

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...

View Article


Problem With Counting Mapped Reads

Hi, This is my very first experience analysing RNAseq data. My goal is to do differential analysis between two strains of a bacteria. So far, i managed to align and produce SAM and BAM files. I'm...

View Article

How To Extract Scores From Bedgraph File Using Bed Tools

file1chr1 10 20 name 0 +file2chr1 12 14 2.5 chr1 14 15 0.5How could i extract average scores of file1 using file2, like below? I am trying to extract phastcons (file2) average scores of file1.chr1 10...

View Article


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...

View Article

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...

View Article

Getting Rna Sequences From Gff And Fa Files

Hi. I have a folder full of .fa files, and a .gff. The gff file contains information about which loci look like they code for RNA sequences. The .fa contain the DNA sequences for a set of human...

View Article
Browsing all 3764 articles
Browse latest View live