Research Project Portals

GWATCH - web-based genome browser for genome-wide association studies

GWATCH is a web-based genome browser designed to automate analysis, visualization and release of data from genome-wide association studies (GWAS) and whole genome sequence association studies of genetic epidemiological cohorts. For any association study, GWATCH allows cataloging and viewing of significant statistical results of association tests (p-values, odds ratios, hazard ratios and others) for single or multiple variants (SNP, indels, CNV), for single or multiple tests.

GWAS data are collected and subjected to quality control (call rates by individual and by SNP etc.) by the researchers. Statistical association tests are designed to help detect genetic differences among study groups with alternative phenotypes or disease outcomes. Each SNP-test combination includes information on patient counts by category, p-values and a Quantitative Association Statistic (QAS, a general term for statistics explaining direction and strength of associations: odds ratio, hazard ratio, relative hazard and so on, depending on the particular statistical test). An unabridged data file listing association test, categorical patient counts, p-values and QAS for each SNP-test combination comprises the initial input to GWATCH.

It is also possible, even desirable, that each association test conducted is entered as an analytical routine, as well as SNP genotyping and clinical category designation of study participants. Note that all identifiable genotypic, demographic or clinical data are kept hidden to protect patient privacy permanently.

The display features of GWATCH allow for numerous views of the results which are routinely considered by genetic practitioners.

The promise of GWATCH falls into four general applications:

  • Automates gene association search and discovery analysis.
  • Advances display of results from Manhattan plots to 2D and 3D snapshots of any gene region and dynamic chromosome highway browser.
  • Allows real time validation/replication of candidate and discovered genes from other sources limiting Bonferroni penalties.
  • Offers solution to privacy constraints on unabridged data sharing and release.

RESEARCH PROJECTS OF THE CENTER

Genome Russia Project

Genes are the basic “instruction book” for the cells that make up our bodies, and are made out of DNA. The DNA of a person is more than 99% the same as the DNA of any other unrelated person. But no two people have exactly the same DNA except identical twins. Differences in DNA are called genetic variations. They explain some of the physical differences among people, and partly explain why some people get diseases like cancer, diabetes, asthma, and depression, while others do not. Such diseases may also be affected by factors like diet, exercise, smoking, and pollution in the environment, which makes it hard to figure out which genes affect the diseases.

GWATCH - web-based genome browser for genome-wide association studies

GWATCH is a web-based genome browser designed to automate analysis, visualization and release of data from genome-wide association studies (GWAS) and whole genome sequence association studies of genetic epidemiological cohorts. For any association study, GWATCH allows cataloging and viewing of significant statistical results of association tests (p-values, odds ratios, hazard ratios and others) for single or multiple variants (SNP, indels, CNV), for single or multiple tests.

Genome-based Mycobacterium Tuberculosis Variation Database

Comparative genomics of Mycobacterium tuberculosis clinical strains spread in Russia – is one of the research projects conducted at Theodosius Dobzhansky Center for Genome Bioinformatics. We are studying genomic signatures associated with M. tuberculosis clinical and microbiological features. A Database of M. tuberculosis Genome Variations (GMTV) developed by our team, integrates clinical, epidemiological and microbiological information with genome variations based on whole genome sequencing data. This research is conducted in collaboration with St. Petersburg Research institute of Phthisiopulmonology and St. Petersburg Pasteur Institute, and supported by St. Petersburg State University and Russian Foundation for Basic Research (RFBR) grants.

Single-cell analysis of tumor-microenvironment interactions in follicular lymphoma

Follicular lymphoma

Follicular Lymphoma (FL) is a slow-growing cancer of the lymphatic system, which affects one in every three thousand individuals. While existing frontline therapies are effective at suppressing FL, it remains an incurable disease with a median survival of 8-10 years. A fifth of the patients develop resistance to the standard treatment within the first two years. Understanding the mechanisms facilitating resistance and identifying early molecular prognostic indicators remains a high priority.

Assembly, Annotation, and Comparative Analysis of Apomictic Boechera Species Genome

Principal investigator of the project Vladimir Brukhin

Apomixis is asexual way of plant reproduction through seeds, which could be found in more than 400 plant species representing almost 40 families. It is believed that apomixis evolved independently in several taxa from sexual ancestors. Apomixis could be considered as a developmental variation of sexual reproduction in which some steps are lost, reduced, deregulated or desynchronized (Fig.1). The main features of gametophytic apomixis are:

  • Avoidance of meiosis (apomeiosis);
  • Embryo formation via parthenogenesis;
  • Functional endosperm develops either autonomously or pseudogamously (central cell fertilized by sperm cell).

Theodosius Dobzhansky

Geneticist & Evolutionary Biologist
 
Theodosius Dobzhansky American geneticist and evolutionary biologist and a central figure in the field of evolutionary biology is recognized for...

Heads of the Center

Anastasia Samsonova

Professor, Head of the Centre

Publications


Alexander Kanapin

Professor, co-Head of the Centre

Publications

Stephen J O'Brien

Chief Scientific Officer
 
I welcome you to the Site of the brand new Center of Genome Informatics at St Petersburg State University. The...

Lab's news

SPBU on web site published an article about achievement of the Center and published article.

September, 27 2019 ( Friday at 2pm: Dr. Kirill Vinnikov from Hawaii University (USA) and head of the lab at the Far Eastern Federal University (Vladivostok) "Exome sequencing of non-model species"