Dr. Bryce Christensen recently gave a webcast on Maximizing Public Data Sources for Sequencing and GWAS Studies in which he covered options for getting GWAS and sequence information online, tips for working with these datasets and what you’ll see in terms of data quality and usefulness, how to use public data sources in conjunction with your GWAS or sequence study… Read more »
Weather.com currently says it feels like -24 degrees outside (yes, that’s negative) here in Bozeman, Montana. Which is why I’m more than a little jealous of Gabe Rudy and Andreas Scherer who get to go to San Francisco and Marco Island next week, respectively, where the weather is little more… well, let’s say… reasonable. Andreas will be headed to Marco… Read more »
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 SVS, the files had to be converted to BAMs and then merged into a single VCF file. Since many of… Read more »
At Golden Helix our number one priority is empowering genetic researchers world-wide with software tools that are as effective as they are robust. So needless to say, we are thrilled to announce a recent collaboration with the Ontario Genomics Institute (OGI), a not-for-profit organization focused on driving and catalyzing the life sciences industry in Ontario. Through this exciting partnership, we… Read more »
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 these and other imputation programs. The goal of this blog post will be to review the different tools available to… Read more »
Last week, we presented a webcast on Workflow Automation in SVS. If you were unable to attend, a recording of it is on our website. In this post I’ll respond to some of the questions we were unable to answer within the allotted time. Will you provide a link for the software used in the webcast? I used Golden Helix’s… Read more »
Utilizing Identical Twins Discordant for Schizophrenia to Uncover de novo Mutations We are living in exciting times – the reality of high-resolution Cand individual genome sequencing now offers renewed hope in the search for the causes of complex diseases. When this technology is combined with genetic relationships, individual sequences add unrivaled proficiency. Our lab is located in London, Ontario, Canada… Read more »
Genotype imputation is a common and useful practice that allows GWAS researchers to analyze untyped SNPs without the cost of genotyping millions of additional SNPs. In the Services Department at Golden Helix, we often perform imputation on client data, and we have our own software preferences for a variety of reasons. However, other imputation software packages have their own advantages… Read more »
Humans are said to have a 0.1% rate of diversity, seemingly small, but actually quite significant when considering the future of personalized medicine. Gaining a deeper understanding of this genetic variance can help determine susceptibility to disease as well as medicinal response and outcomes. One-third of human genetic diversity can be found in a likely contender for the birthplace of… Read more »
Thirteen years ago, Dr. Robert Kleta had never heard of a genome-wide association study (GWAS), let alone considered doing one. Now, Dr. Kleta and his colleagues at the University College of London regularly publish articles in The New England Journal of Medicine and other journals on the genetics of rare diseases and their associated phenotypes. States Kleta, “For rare diseases,… Read more »
Time goes by fast. With the completion of the Human Genome Project in 2003, scientists worldwide were trying to understand the cause and effect of variations in the genome as they relate to functionalities, traits and disease. Along the way, we at Golden Helix helped researchers analyze data, discover variations and draw conclusions. It turns out that the real bottleneck… Read more »
When researchers realized they needed a way to report genetic variants in scientific literature using a consistent format, the Human Genome Variation Society (HGVS) mutation nomenclature was developed and quickly became the standard method for describing sequence variations. Increasingly, HGVS nomenclature is being used to describe variants in genetic variant databases as well. There are some practical issues that researchers… Read more »
Presenter: Dr. Bryce Christensen, Statistical Geneticist and Director of Services Date: Wednesday, May 15th, 2013 Time: 12:00 pm EDT Abstract Next-Generation Sequencing analysis workflows typically lead to a list of candidate variants that may or may not be associated with the phenotype of interest. Any given analysis may result in tens, hundreds, or even thousands of genetic variants which must… Read more »
I’m a believer in the signal. Whole genomes and exomes have lots of signal. Man, is it cool to look at a pile-up and see a mutation as clear as day that you arrived at after filtering through hundreds of thousands or even millions of candidates. When these signals sit right in the genomic “sweet spot” of mappable regions with… Read more »
A few months ago, our CEO, Christophe Lambert, directed me toward an interesting commentary published in Nature Reviews Genetics by authors Bjarni J. Vilhjalmsson and Magnus Nordborg. Population structure is frequently cited as a major source of confounding in GWAS, but the authors of the article suggest that the problems often blamed on population structure actually result from the environment… Read more »
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 available in SVS that might be under used or were recently updated. These tools were used in his last three… Read more »
In 2011, I was looking for my next move and happened to attend a lecture given by Gabe Rudy at Montana State University. I was immediately struck by his passion and intelligence about the field of bioinformatics. He ended his talk by mentioning that Golden Helix was hiring, and I decided to apply. During my interviews, I discovered that these… Read more »
In a recent GenomeWeb article by Tony Fong, “Sequenom’s CEO ‘Puzzled’ by Illumina’s Buy of Verinata, Lays out 2013 Goals at JP Morgan,” Harry Hixson, Sequenom’s CEO, expresses puzzlement over why its major supplier, Illumina, is acquiring a Sequenom competitor in Non-Invasive Prenatal Testing (NIPT), and thus apparently competing with one of its major customers. In a JP Morgan interview… Read more »
We are excited to let you know about new scripts to aid in filtering rows/columns and identifying unique values in a column, as well as two updated scripts. Don’t forget about the Technical Support Bulletins which keep you up-to-date on all the latest script news. You can stream this feed via an RSS reader, receive email updates, or see the… Read more »
As a senior studying statistics at Montana State University, I was fortunate to be granted the opportunity to intern with the development team at a local software company. I was even more fortunate when this internship turned into full-time employment after I graduated. Working on a team with extremely talented individuals, I realized the significant impact our company makes through… Read more »
