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How to call SNP without confidence SNP ?

Hello! I have WGS data of 100 samples. There's few people work on my species,so I didn't find confidence SNP set to use. I follow the best-practices of GATK. And my question is how to get convinced SNP...

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rules for max_alternate_alleles in HaplotypeCaller

Hi, I can't come to any clear conclusion how this parameter works. Help me, please. I worked on the same files with exact command but the max_alternate_alleles. In first command I put 1 for its...

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OpenMP multi-threaded AVX-accelerated native PairHMM in HaplotypeCaller not...

I'm unable to get a multithreaded instance of PairHMM to work in HaplotypeCaller with JDK 1.8 on my local machine (Intel 4770K 8-core i7 processor) running MacOS 10.12.6. I've tried both a pre-built...

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Core dump with HaplotypeCaller using GATK 3.7

I'm trying to run HaplotypeCaller on a single RNAseq BAM file, but I keep getting a core dump. I've tried allocating more memory (up to 150 GB RAM) and reverting to single-thread mode, but...

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default read filters in haplotypecaller in GATK 4.0.0.0

Hi, Are these still the read filters applied in GATK 4.0.0.0 haplotypecaller (gvcf mode)?- • HCMappingQualityFilter (Default 20) • MalformedReadFilter • BadCigarFilter • UnmappedReadFilter •...

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Ploidy level in HaplotypeCaller in GATK 4.0

Hi, Thanks for the new version of GATK (GATK4.0). We have a pooling of 64 samples and the organism is diploid, we are using ploidy of 128 (64x2=128). earlier when I am using HaplotypeCaller for variant...

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Single-Sample Genotyping: Different Workflow?

Hi, If I need to independently call and genotype a single sample, is there a different workflow or set of GATK tools and settings that I ought to use instead of using haplotypecaller to generate a GVCF...

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Is it useful to call LeftAlignIndels after IndelRealigner

Hi, In my pipeline to find variants in bacterial genome, I am first calling IndelRealigner and then calling variants using HaplotypeCaller. As left aligning of indels seems to be an important step,...

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Is GATK4 HaplotypeCaller in evaluation phase?

Hi GATK team, Congratulations on the release! I just found this public method in FireCloud that notes that HaplotypeCaller in GATK4 should not be used for production use yet since it is still in...

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Forgot to add -ERC GVCF when using haplotypecaller

Hi, I have used the haplotypecaller to call the variants for my each sample without -ERC GVCF. Thus, I can not use the GenotypeGVCFs to merge them together. What should I do to resolve this problem?...

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Confusion in using gVCF mode

Hi I have problem in using HaplotypeCaller gVCF mode ( GATK4 best practices). Please let me know following problems: 1- Should we run gVCF even when we have one WES sample? 2- I have 3 WES samples,...

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HaplotypeCaller and reads mapped to multiple locations

Dear GATK team, I've been trying to use GATK to call SNPs from RNA-Seq data mapped to a transcriptome assembly. I used Bowtie2 for the read mapping. I apologize if the information is already posted,...

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Detecting called Indels with low read support on both sides?

Hi, I am mapping chimpanzee samples to the human reference hg19. I mappend the samples using the standard protocol (BWA mem, remove duplicates, indel realigner) and called them with GATK 3.7 Haplotype...

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Testing Intel Arria® 10 GX FPGA implementation of HaplotypeCaller (PairHMM)

Hi, I am a researcher from Chinese of Academy of Sciences. I am trying to test the FPGA implementation of the HaplotypeCaller (PairHMM) on GATK 3.8-0-ge9d806836, using a Intel Arria® 10 GX FPGA (Arria...

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GATK v4.0.1.1 HaplotypeCaller

I am using GATK v4.0.1.1 HaplotypeCaller for variant analysis. (paired-end DNA sequenced data mapped to the reference using BWA mem). The command I used; “gatk HaplotypeCaller –R Reference.fna –I...

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WGS+WES combined discovery/genotyping

Hi GATK team, Hope you had great holidays! We're analyzing small families where some individual have been sequenced by WES (HiSeqX) and others by WES (HiSeq4000). Could you please advise on the best...

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Missing or Inconsistent call between single-sample and multi-sample SNP calling

Dear all, I have generated a gVCF file using HaplotypeCaller (v3.7)and searched for a specific variant of interest which looks like below: #CHROM POS ID REF ALT QUAL FILTER INFO FORMAT N417 chr1 627033...

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HaplotypeCaller warnings DepthPerSampleHC

Hi I'm trying to do a multisample variant call using several bam files in the following cmd /mnt/fastdata/md1jale/software/gatk-4.0.1.0/gatk HaplotypeCaller -R /mnt/fastdata/md1jale/reference/hs37d5.fa...

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HaplotypeCaller may fail to detect variant with the same reads with a...

I have experienced a variant detection issue with confusion. The png file attached is the result of exact same NextSeq experiment but the read extraction range is different. NextSeq2_point.bam: bam is...

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Seeing multiple calls for the same position

Hello, I am running a trio through the best practices pipeline for 3.7 and finding an unexpected result. I am seeing some positions that are being called multiple times with different calls. First, as...

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