Category Archives: How to’s and advanced workflows

Andrew Jesaitis

Turning SRA Files Into Usable BAMs and VCFs

In our recent webcast, Advancing Agrigenomic Discoveries with Sequencing and GWAS Research, Greta Linse Peterson featured bovine data which she download from the NCBI website. The data was downloaded in SRA format and in order to analyze the data in … Continue reading

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Greta Linse Peterson

Back to Basics: Importing/Exporting Data in Imputation Program Data Formats with SVS

In a recent blog post (Comparing BEAGLE, IMPUTE2, and Minimac Imputation Methods for Accuracy, Computation Time, and Memory Usage), Autumn Laughbaum compared three imputation programs. Data can be exported from, or imported into, SVS in the standard file formats for … Continue reading

Posted in Add-on scripts & data repository, Bioinformatic support, How to's and advanced workflows | 1 Comment
Greta Linse Peterson

Follow Along on an Analyst’s Journey to Filter Whole Genome Data to Four Candidate Variants in SVS

Last week Khanh-Nhat Tran-Viet, Manager/Research Analyst II at Duke University, presented the webcast: Insights: Identification of Candidate Variants using Exome Data in Ophthalmic Genetics. (That link has the recording if you are interested in viewing.) In it, Khanh-Nhat highlighted tools … Continue reading

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Dr. Ken Kaufman’s Webcast on Exome Sequencing Wildly Successful

Thank you to everyone who joined us yesterday for a webcast by Dr. Ken Kaufman of Cincinnati Children’s Hospital: “Identification of Candidate Functional Polymorphism Using Trio Family Whole Exome DNA Data.” Over 750 people registered for this event and 430 … Continue reading

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Bryce Christensen

Why You Should Care About Segmental Duplications

My work in the GHI analytical services department gives me the opportunity to handle data from a variety of sources.  I have learned over time that every genotyping platform has its own personality.  Every time we get data from a … Continue reading

Posted in Best practices in genetic analysis, How to's and advanced workflows | 2 Comments
Greta Linse Peterson

How SVS Treats Gender in Calculating Genotype Statistics

Recently several customers have asked how SNP & Variation Suite (SVS) treats gender when calculating genotype statistics. In this blog post, I will cover SVS’ current capabilities, what we have available through Python scripts, and what is coming in the … Continue reading

Posted in Bioinformatic support, How to's and advanced workflows | 1 Comment

Analyzing PacBio Data with SNP & Variation Suite

As most in the Golden Helix community are aware, SNP & Variation Suite (SVS) can handle all sorts of data including files from Affymetrix, Illumina, Agilent, and Complete Genomics with its powerful data management capabilities. Announced in February, SVS is … Continue reading

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Greta Linse Peterson

Creating Annotation Tracks from 1000 Genomes Phase 1 Data

If you have ever worked with NGS variant data, you may have come to realize that the first task at hand is the seemingly simple categorization of your variants into two bins: known and novel. Of course, if you’ve ever … Continue reading

Posted in How to's and advanced workflows | 3 Comments
Bryce Christensen

Sequence Analysis Methods Not Just for Sequence Data

Speaking as somebody with a long history in data analysis, there are few things I find more exciting and tantalizing than new analysis methods that might apply to a problem I am trying to solve or was unable to solve … Continue reading

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Marker Map Manipulation Improvements in SVS 7.5

Manipulating a marker map in SVS has never been easier, thanks to expanded functionality in SVS 7.5.  Have you ever wanted to view annotation data next to marker map data?  Or expand the current marker map with spreadsheet data to … Continue reading

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