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Mitochondrial Haplogroup Classification of Ancient DNA Samples Using Haplotracker. | LitMetric

Mitochondrial Haplogroup Classification of Ancient DNA Samples Using Haplotracker.

Biomed Res Int

Institute of Gene and Genome Research, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea.

Published: April 2022

AI Article Synopsis

Article Abstract

Mitochondrial DNA haplogroup classification is used to study maternal lineage of ancient human populations. The haplogrouping of ancient DNA is not easy because the DNA is usually found in small pieces in limited quantities. We have developed Haplotracker, a straightforward and efficient high-resolution haplogroup classification tool optimized specifically for ancient DNA samples. Haplotracker offers a user-friendly input interface for multiple mitochondrial DNA sequence fragments in a sample. It provides accurate haplogroup classification with full-length mitochondrial genome sequences and provides high-resolution haplogroup predictions for some fragmented control region sequences using a novel algorithm built on Phylotree mtDNA Build 17 (Phylotree) and our haplotype database ( = 118,869). Its performance for accuracy was demonstrated to be high through haplogroup classification using 8,216 Phylotree full-length and control region mitochondrial DNA sequences compared with HaploGrep 2, one of the most accurate current haplogroup classifiers. Haplotracker provides a novel haplogroup tracking solution for fragmented sequences to track subhaplogroups or verify the haplogroups efficiently. Using Haplotracker, we classified mitochondrial haplogroups to the final subhaplogroup level in nine ancient DNA samples extracted from human skeletal remains found in 2,000-year-old elite Xiongnu cemetery in Northeast Mongolia. Haplotracker can be freely accessed at https://haplotracker.cau.ac.kr.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8956381PMC
http://dx.doi.org/10.1155/2022/5344418DOI Listing

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