Journal Article

HGV&TB: a comprehensive online resource on human genes and genetic variants associated with tuberculosis

Ruchika Sahajpal, Gaurav Kandoi, Heena Dhiman, Sweety Raj, Vinod Scaria, Deeksha Bhartiya and Yasha Hasija

in Database

Volume 2014, issue ISSN: 0000-0000
Published online December 2014 | e-ISSN: 1758-0463 | DOI: https://dx.doi.org/10.1093/database/bau112

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Tuberculosis (TB) is an infectious disease caused by fastidious pathogen Mycobacterium tuberculosis. TB has emerged as one of the major causes of mortality in the developing world. Role of host genetic factors that modulate disease susceptibility have not been studied widely. Recent studies have reported few genetic loci that provide impetus to this area of research. The availability of tools has enabled genome-wide scans for disease susceptibility loci associated with infectious diseases. Till now, information on human genetic variations and their associated genes that modulate TB susceptibility have not been systematically compiled. In this work, we have created a resource: HGV&TB, which hosts genetic variations reported to be associated with TB susceptibility in humans. It currently houses information on 307 variations in 98 genes. In total, 101 of these variations are exonic, whereas 78 fall in intronic regions. We also analysed the pathogenicity of the genetic variations, their phenotypic consequences and ethnic origin. Using various computational analyses, 30 variations of the 101 exonic variations were predicted to be pathogenic. The resource is freely available at http://genome.igib.res.in/hgvtb/index.html. Using integrative analysis, we have shown that the disease associated variants are selectively enriched in the immune signalling pathways which are crucial in the pathophysiology of TB.

Database URL: http://genome.igib.res.in/hgvtb/index.html

Journal Article.  4795 words.  Illustrated.

Subjects: Bioinformatics and Computational Biology ; Ecology and Conservation ; Evolutionary Biology

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