Insertion-deletions burden in copy number polymorphisms of the Tibetan population

Avinash, M. V. and Sangeetha, V. and Kusuma, L. and Megha Murthy, N. and Raviraj, V. S. and Keshava, B. and Ramachandra, N. B. and Tejaswini, T. and Niveditha, B. Patel and Supriya Gowda, P. K. (2014) Insertion-deletions burden in copy number polymorphisms of the Tibetan population. Indian Journal of Human Genetics, 20 (2). pp. 166-174.

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Official URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC42285...

Abstract

BACKGROUND: Many studies have been conducted to identify either insertions-deletions (inDels) or copy number variations (CNVs) in humans, but few studies have been conducted to identify both of these forms coexisting in the same region. AIMS AND OBJECTIVES: To map the functionally significant sites within human genes that are likely to influence human traits and diseases. MATERIALS AND METHODS: In this report, we describe an inDel map in the 1051 Tibetan CNV regions obtained through CNV genotyping using Affymetrix Genome-wide single nucleotide polymorphism 6.0 chip. InDel polymorphisms in these copy number polymorphism regions were identified with a computational approach using the 2500 deoxyribonucleic acid sequences obtained from the 1000 Genome Project. RESULTS: The study identified a total of 95935 inDels that range from 1 bp to several bps in length which were found scattered across regulatory regions, exons and in introns of genes underlying the CNVs. A study on the distribution of inDels revealed that the majority of inDels were found in coding regions of the genome than the noncoding, while within the genes, inDels in intron regions were more followed by exonic regions and finally the regulatory regions. CONCLUSION: Study of inDels in CNV regions contribute to the enhanced understanding of the role played by the two variations and their collective influence on the genome. Further, a collection of these inDel genetic markers will aid in genetic mapping, further understanding of the phenotypic variability, identification of disease genes and in detecting novel CNVs.

Item Type: Article
Uncontrolled Keywords: Article, human, DNA sequence, single nucleotide polymorphism, exon, chromosome, genotype, copy number variation, genome, indel mutation, intron, Tibetan (people)
Subjects: B Life Science > Zoology
Divisions: Department of > Zoology
Depositing User: Arshiya Kousar Library Assistant
Date Deposited: 17 Aug 2019 09:55
Last Modified: 10 Dec 2020 10:16
URI: http://eprints.uni-mysore.ac.in/id/eprint/4445

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