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Split A Bam File Into Several Files Containing All The Alignments For X...

Hi everyone! I am struggling with annotating a very big .bam file that was mapped using TopHat. The run was a large number of reads : ~200M. The problem is that when I now try to Annotate each read...

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how to run subtract command in java

I want to run subtract command in java, could somebody tell me how to use.Thank you very much.

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Convert .Txt Into Bed Files

I used paired-end sequence data for copy number variation study; and eventually get .txt files as output. I'm hoping to use Bedtools to compare my results with others. Can I convert .txt files into...

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Random shuffling of features leaving gene models intact

I am looking for a tool that can randomly shuffle gff features into intergenic regions, but leaving the gene-models 'intact', so that at least all features of a gene are placed on the same contig and...

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Using Gnu Parallel For Bedtools

I am trying to run gnu:parallel on bedtools multicov function where the original command is bedtools multicov -bams bam1 bam2 bam3.. -bed anon.bed > Q1_Counst.bedI would like to implement the above...

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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...

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Splice Junction file intersection with genome annotation

Hello,   I have a tab delimited format Splice Junction file and the file looks something like this: chr1    11212    12009    1    1    0    0    2    48 chr1    11672    12009    1    1    0    0    1...

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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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Tool: Bedtools: Analyzing Genomic Features

All practicing bioinformaticians will face problems that require them to compare, query and select genomic features across an entire genome. As it happens efficient interval representation and query is...

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N Closest Genes To A Given Location

Hi,This is basically an extension of the following question already asked in biostar (http://biostars.org/post/show/53561/python-finding-gene-closest-to-a-given-location/).Let us say I have a list of...

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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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Getting Unmapped Reads: Comparing Fastq To Bam

given a FASTQ file and a BAM file of aligned reads, is there an efficient way to get all FASTQ reads that are in the original FASTQ but not in the BAM? Perhaps using bedtools. i.e.:unmapped_script...

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Bedtools subtract not dealing well with large datasets

I am using bedtools subtract with large datasets and it keeps crashing, giving the following error    terminate called after throwing an instance of 'std::bad_alloc'Is there a way to get over this...

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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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Bedtools Genomecoveragebed Usage : How To Create A Genome File?

I am using BEDTOOLS and the following command to get the coverage file:$ ./genomeCoverageBed -ibam ~/GG_project/trim/ecoli.bam -g > ~/GG_project/trim/coveragewhere ecoli.bam is my sorted bam file,...

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How To Explain Uneven Coverage Of A Dna Seqment Obtained Via Pcr Amplification.

Experiment: deep sequencing for mutants in 700nt fragment.the fragment of dna was preamplified by primers flanking the fragment followed by hiseq.per base coverage was calculated by coverageBed -d...

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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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Bed_intersect -s empty output

Hi!, I have problems with bedintersect. I need to intersect two bed files like these: A.bed   chr1    10568    10571    -    5 chr1    10568    10571    -    5 chr1    10568    10571    -    5 chr1...

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Fastafrombed Problem

hi, I try this tools from BedTools but it doesnt work!$ cat testgenome404.fa>chr1 AAAAAAAACCCCCCCCCCCCCGCTACTGGGGGGGGGGGGGGGGGG $ cat test.bed chr1 5 10 $ ./fastaFromBed -fi testgenome404.fa -bed...

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Problems Extracting Non-Snps From A Vcf File

Hello,In an SNP analysis, I am trying to extract those editing sites no found in the dbSNPs vcf file I have downloaded a couple of files (All SNPs and Common/Medical SNPs) from...

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