Is there any way to quantify differences between neighbour-joining...
I am working on a project and I am currently only using the SNP data to make my trees. I would like to compare the trees made using SNP data to the trees made using indel data to ensure they are...
View ArticleLocating Indels In Gene
I have a excel file from windows (spreadsheet) contains start, end and indel sequences (-GGC means GGC deletion or +AAC means AAC insertion) in column 1, 2 and 3 respectively. I have a reference genome...
View ArticleFunctional Consequence of In-frame Indel
Does anybody include in-frame indels in association studies? A quick pubmed / google / biostars search on this didn't come up with much. In-frame indels are often treated as synonymous, but since they...
View ArticleIndel Notation In Variant Calling
HelloI am sorry for the basic question but I am struggling to find any details of the nomenclature of indels by variant calling software. Unfortunately i am unable to access the details of the software...
View ArticleWhat Approach Would You Recommend For Large Indel Detection With Solid Data
I've been spending quite some time on following problem: I sequenced a bacterial genome using paired-end reads (SOLiD) and I have a quite good reference sequence. My goal is to detect changes in the...
View ArticleGatk Indel Realignment Error - Mismatch In Index Files And Dict File
Greetings,I am aligning pooled sequencing data to a new renferece genome. GATK won't generate intervals because not every scaffold in the reference is found in my bam index?What am I missing? It seems...
View ArticleWhat Do You Expect As The False Positive And Negative Rate For Snp'S And...
What do you expect as the false positive and negative rate for SNP's and INDELS in a WGS experiment?On which papers and data sets (inhouse or external) do you base this? Edit: Of course this depends on...
View ArticleHow To Handle Reads Ending With Deletions In Gatk?
Hello,before asking my question, I should point out that I'm working with data that's not my own (publicly available), to learn and establish a proper workflow when real data wlll arrive in the...
View ArticleGenomic Alignment And Snp/Indel Calling - My First Ever "Pipeline"
So I have finally generated some reads and run it through what I guess could be called a very rudimentary 'pipeline'. I generated a million paired end reads with wgsim then aligned with bwa, and used...
View ArticleCanĀ“T Find The Snps With Samtools (Only Get Indels)
Hello everybody, Could anyone tell me how to get SNPs using SAMtools???. I am learning how to do it but canĀ“t get the SNPs, I only get the Indels. I am working with a mutant I created from an E coli...
View ArticleArlequin Input Frequency Data
Hi!I have frequency data for 50 biallelic loci and 500 samples in 3 populations and i canĀ“t understand how to create an input file for arlequin with these data. If someone could help me it will be...
View ArticleWhat Is The Best Tool For Mouse (Mm9 Or Mm10) Variant Annotations?
I am working with some mouse exome capture data, and I would like to provide functional annotations to variants (SNPs and small indels).For human data, I would typically use ANNOVAR. It looks like...
View ArticleSimulating A Read With A Deletion Of 50 Bp Into It.
Im trying to test some indel calling programs with large deletions in sequencing reads. I ve got this sequence in Chromosome 20 of hg19 : > CTAGCAAGGG GGCTGTATGG CTTGAGGCCA TAGTCCAGGA CATCATCGGG...
View ArticleCalculating Tn (True Negatives) For An Indel Detection Method
This is a kind of follow-up inspired by the very good question/answers I read in "How to calculate sensitivity/selectivity of an algorithm that returns locations of possible matches?"My goal is to...
View ArticleIndel Discovery Delly, Pindel, Samtools, Gatk
I'm testing out samtools vs GATK for snp and indel calling, and looking at using pindel for SV in particular focusing on insertions and Delly for the other SV. What experience do people have of SNP...
View ArticleHow To Identify/Flag The Presence Of Indels On The Read Level Nearby A Given...
Let's say I have list of genomic positions, e.g. SNP calls in a VCF file, and a BAM file with read alignments. What would be the best way to, for each of those positions, determine if in the BAM file...
View ArticleGatk Threshold Parameter For Clipping Of Reads During Indel Calling Running...
GATK 1.6 claims to apply a Q20 threshold to clip ends of the reads for the indel caller:http://www.broadinstitute.org/gatk/guide/article?id=12373. Indel Calling with the Unified Genotyper [...] while...
View ArticleNext Gen Sequencing Indel Realignment With The Genome Analysis Toolkit (Gatk)
As I continue to add steps to my SNP/Indel discovery workflow, the latest recommendation is local realignment around Indels using GATK following the initial alignment step. I have just commenced the...
View ArticleLarge Deletions With Bwa And Single End Reads
Hi, I am trying to detect deletions approximately 66bp in length by mapping 90 base reads to the human genome with BWA (and using GATK). By fine tuning the alignment parameters I have managed to...
View ArticleSamtools Indels -- Filtering Only Hits With Insertion In The Reference In The...
Can anyone suggest how to use samtools to filter only hits where there is a insertion in the reference that splits the sequence hit roughly by the middle? My sequences are in the range of 100-1000bp...
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