Questions tagged [variants]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
0answers
26 views

Parse RNA variant effect annotations (“r.” format)

I've got annotations for splicing variants in a format like this (this is one variant): Variant: NM_004092.3:c.88+5G>A Effect: Retention; r.87_88ins1_88+10:p.(Ala31Glufs*23) I want to extract ...
-1
votes
1answer
58 views

Find common SNPs in multiple VCF files

I have 3 VCF files. A1.vcf A2.vcf A3.vcf I want to get the common SNPs that are present in all these three files. And output must be in vcf format. output: ...
7
votes
1answer
39 views

How to represent random sequence elements in SBOL?

In our lab, we work with synthetic biology components with partially random sequences (similar to work in directed evolution). So, for example, we have a plasmid design with several components, ...
0
votes
1answer
33 views

genotyping or variant calling in R

Are there any good options for calling variants or even just a pileup from R? R is not ideal for this, but I'd like to integrate with other functions. I found deepSNV::bam2R which roughly does what I ...
0
votes
0answers
7 views

How to generate variant DNA sequence from an HGVS-formatted variant?

I'm parsing clinvitae using the python hgvs module. For each variant, I want to generate the variant DNA sequence in a 500 bp radius around the variant position. I don't see a way to generate the ...
0
votes
1answer
34 views

Inheritance annotation for nsSNPs

I am relatively new to SNP analysis. Is there a database to find annotation about the Mendelian inheritance of SNPs? I have a small list of nsSNPs (non-synonymous SNPs) and I need to find how they are ...
2
votes
2answers
80 views

Produce .vcf file of ALL mutations in .bam file

I got tasked with a problem, that i thought would be quite simple to solve, but turned out to be quite tricky. Our lab is running targeted mutagenesis experiments in yeast using crispr base editors. ...
1
vote
1answer
63 views

How to compact variant data to their genes without bias?

I have a dataset of genes I am trying to collect data on from public databases, to use as features in machine learning. I am trying to take some features from UCSC genome browser (e.g. number of CpG ...
2
votes
1answer
47 views

SNPEFF genome build with specific codon usage

Failing to build my own Arabidopsis thaliana reference with Mt using 'codon.Mitochondrial' and Pt using 'codon.Bacterial_and_Plant_Plastid' but the same commands works well with both lines with codon ...
0
votes
2answers
51 views

Q: What analyses can I perform with a completely phased genome assembly?

Phasing a genome is the process of determining which variants lie on which copy of each chromosome. For example, position 5,430,500 might have an A on the paternal chromosome, but a T base on the ...
1
vote
0answers
34 views

Filtering out 8-oxoG-derived artefacts in variant calls from cfDNA

I have cfDNA samples which were sequenced (at about 300-1000X) on a 30-gene panel via a capture-seq protocol for the purposes of calling variants on circulating tumour DNA. However, the resulting ...