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Need help using Shrimp2 on paired end color-space SOLiD data.

Hi, I have SOLiD reads which are paried-end (75bp and 35bp) in .csfasta and .QV.qual format. I would like to use Shrimp2 to align them. So far I have been having trouble using it. I used the following...

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How To Extract Information From Fastq Pair End Files

dear BioStars users,I would like to extract from my pair-end fastq files information how many times my read is occurring in my fastq file. So output could look - my read (sequence) - how many times I...

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Is There An Elegant Way To Extract Only The Properly-Paired Reads In A...

I know I should be filtering for the following tags: 99,163,83,147 and I know that samtools would work to get all the pairs. For example:samtools view -F 0x99 -b in.bam I was wondering if there was a...

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Is There Any Advantage Of Paired End Sequencing For Chip-Seq?

Hi,I hope that some of you may have a recommendation regarding the use of paired-end sequencing over single-end for ChIP-seq. In principle we expect only a minor improvement of using paired-end...

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Trinity Question

Hi, I 'd like to use Trinity to analyze my strand-specific pair-end sequencing data (dUTP) and I am very confused about how to choose the argument. I got two reads files, _1.fa and _2.fa. For...

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Assembly Aligned Paired-End Reads

Hi all,I have a set of mapped paired-end reads and I would like to assemble the ones that overlap respecting the pairing information.This means assemblying only pairs when the 2 first mates overlap and...

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Hg19 Strand Information Of Sam Output.

Hi all,I've got Paired-End Illumina data mapped against the Human Hg19. When viewing the SAM output, how can I check if a pair mapped against the forward Hg19 genome sequence or against the reverse...

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Paired-End Reads Alignment For Variant Calling ?

I'm trying to do variant calling (SNPs, Indels) from exome-sequencing data, and the sequencing was done with paired end reads. I would like to use BWA for mapping/alignment, followed by PiCard and GATK...

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Paired-End Protocol For Micrornaseq

In another post, a guy wanted to know how to analyze paired-end data and use them to predict microRNAs.I never heard about a paired-end protocol for miRNAseq and would be interested in some more...

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Basic Paired-End Sam Questions

I can't seem to find answers to 2 very basic questions.For a paired-end sam, is there a separate sam line for mate1's and mate2's? If so, how do find the mate of a given sam line?Thanks

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Efficiently join paired-end read coordinates in the same line?

Dear community, I have a huge paired-end HiC dataset (BAM format) which I want to format like this way: HWI-D00283:117:C5KKJANXX:2:1101:1139:77789 chr6 153338506 153338556 37 + chr6 153338031 153338081...

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How To Count Stand-Specific Paired-End Rna-Seq Reads Overlapping Known...

Dear BiostarsDoes any one how to overlap stand-specific paired-end RNA-Seq reads (BAM) with known protein coding genes (BED) ?I tried the following but I think it is not the correct way ? Would...

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How To Interpret Crossbow Data

Hello,May I know how to interpret Crossbow output. Is there any chance of building a SAM or BAM file from Crossbow output. I am looking into genome mapping. I know there are many tools available for...

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Counting sense reads in bacterial paired-end RNA-seq data

Hi, I'm trying to count reads mapping to sense strand. I have doubts which counts file I should chose from this pipeline. I think is "plate_R.counts" because has more reads counted in total. Am I...

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Tophat - Understated Number Of Reads In The "Align_Summary.Txt" File

Hi all. I'm working with paired-end rna-seq data to assemble transcriptome of my species of interest. I've just realized that Tophat is understating the number of reads that I actually have and...

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Joining Paired-End Illumina Raw Reads

I recently have amplicons sequenced (Illumina PE250) to investigate microbial community. I want to know what quality detection, and what kind of trims of raw reads by what programs should be performed...

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Using Paired End And Orphaned Singles For De Novo Assembly

I have been using FastX to process reads prior to de novo assembly and mapping. What I have discovered and few have pointed out is the FastX will delete reads leaving reads unpaired which changes the...

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Pair End Sequencing Problem

Dear all,I have a quick question on pair end sequencing. I used to work with Illumina without the pair end reads and I have dificulties to understand how the pair end reads work.In the "old" system you...

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Orientation in paired-end sequencing?

I am new to bioinformatics and currently learning how to use Bowtie 2. As written in the manual:  A pair that aligns with the expected relative mate orientation and with the expected range of distances...

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Gsnap: How To Output Only Alignments With Minimal Number Of Mismatches?

I am aligning paired-end ChIP-Seq data of drosophila transcription factors.I would like to have a .sam file with the following alignments reported: - A maximum of three mismatches, i.e. three wrong...

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