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What types of variants can GATK tools detect / handle?

The answer depends on what tool we're talking about, and whether we're considering variant discovery or variant manipulation. Variant manipulation GATK variant manipulation tools are able to recognize...

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Regarding ploidy in Haplotyple Caller for multiple replicates of pooled RNAseq

Hi, I am a little confused about the best practices for running Haplotyple Caller to call variants given the pooled nature of my study, any feedback is super appreciated! I have 10 replicates of...

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VariantFiltration is not filtering?

Hi, I'm trying to filter out variants in a .vcf file that I generated from DNAseq data (BWA->picard->GATK). I'm following the most recent documentation I can find on VariantFiltration and the...

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I have been trying to run the following command for Queue.jar. But its not...

Command: java -jar Queue-3.4-46/Queue.jar -S call_hs_snps.scala -R human_g1k_v37_decoy.fasta -D dbsnp_138.b37.vcf -H hapmap_3.3.b37.vcf -O 1000G_omni2.5.b37.vcf -T...

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Allele Depth (AD) is lower than expected

The problem: You're trying to evaluate the support for a particular call, but the numbers in the DP (total depth) and AD (allele depth) fields aren't making any sense. For example, the sum of all the...

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-maxAltAlleles argument ignored in HC and genotypeGVCFs in GATK-3.7?

Hi there I have a similiar issue as described here: http://gatkforums.broadinstitute.org/gatk/discussion/5111/haplotypecaller-pooled-sequence-problem I am using GATK version 3.7-0-gcfedb67 on poolseq...

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Spanning or overlapping deletions (* allele)

We use the term spanning deletion or overlapping deletion to refer to a deletion that spans a position of interest. The presence of a spanning deletion affects how we can represent genotypes at any...

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Can the results of UnifiedGenotyper and HaplotypeCaller be significantly...

Hi! I'm trying to replicate the variant calling procedure done by a previous graduate student in my lab. To be precise, I have access to the original fastq files and his final vcf file; unfortunately,...

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ERROR MESSAGE: java.lang.reflect.InvocationTargetException in the...

Hi guys I'm having this error (attached) when running SelectVariant on my vcf. I tried deleting the .idx of my vcf (solution recommended) and rerun it but it didn't work. I appreciate any help you can...

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Spanning deletion in pooled sequencing studies

Hey GATK team, I have a question regarding spanning deletions in one of my runs. Briefly, the study is set up so that we sequenced 21 pools of 3-5 animals each. Using GATK 3.5, I followed the Best...

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The contig order in knownSites and reference is not the same

Hi, I tried to use baserecalibrator. Here are my inputs: Human reference: HG38 downloaded from GATK bundle dbsnp_vcf: hg38.dbsnp.vcf (fileformat=VCFv4.2) downloaded from GATK bundle, sorted by Picard...

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Oncotator Error -- Please help me

I am running Oncotator 1.8.0.0 on MuTect2 output .vcf file. I did perform filtering for PASS before running Oncotator. If I run this on command line: oncotator -v --input_format=VCF --output_format=VCF...

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Limit core usage with CombineGVCF

Hi, I'm trying to merge gvcf files created by the HaplotypeCaller, but I'm seeing some excessive core usage. The options for CombineGVCF do not include --nt, so there's no way I'm seeing to limit core...

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Cross comparison between Array and NGS data

Dear GATK staff, I have a 11 samples that were sequenced using NGS (Illumina HiSeq) and 2 of these samples were also genotyped using an Illumina Human Global screening array (Illumina Iscan). I was...

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SelectVariants Large VCF slow runtime

I am attempting to subset and filter a large (10k exome sample, 250GB) VCF file using SelectVariants. My goal is to subset by individual samples (iterating over each sample using a custom script and...

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SelectVariants modifies VCF entries, keeping only the base calls intact.

I am using GATKv3.5. I used SelectVariants as shown below to remove 11 samples from a vcf file: java -jar GenomeAnalysisTK.jar -T SelectVariants -R reference.fasta -V all_samples.vcf -xl_sn sample90...

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Merging two different data (missing or ref/ref)

Hello, I have two different types of data (one is WES data for 100 cases and another is WGS data for 200 controls). I combined the data respectively (into one WES.vcf and one WGS.vcf) using...

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Picard LiftOverVcf produces duplicate positions

Hi, I have produced a set of VCF files with UnifiedGenotyper, using a custom BED file. Subsequently I have used Picard LiftOverVcf in order to lift these VCF files from hg38 to hg19....

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Picard ValidateSamFile failing with INVALID_TAG_NM on hg38 HLA contigs

Picard ValidateSamFile is failing with INVALID_TAG_NM on hg38 HLA contigs when MODE=VERBOSE. The first 100 HLA reads in my BAM file failed. I assume all would fail as there were a number of different...

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Phasing SNPs and Indels

Hi I was looking into tools for phasing indels and SNPs. It seems that ReadBackPhasing only supports phasing of SNPs. I'm working on data from TCGA, and according to your docs HaplotypeCaller which can...

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