Related Experiment Video
Updated: Apr 6, 2026

08:03
Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
Published on: December 7, 2021
2.9K
HgsDb: Haplogroups Database to understand migration and molecular risk assessment
Devender Arora1, Ajeet Singh1, Vikrant Sharma1
1Department of Biotechnology, G.B. Pant Engineering College, Pauri Garhwal, Uttarakhand, India.
Bioinformation
|August 1, 2015
Summary
HgsDb is a new database organizing human migration and adaptation data. It provides insights into 76 major mtDNA and Y-DNA haplogroups for molecular risk assessment and personalized medicine.
Area of Science:
- Human population genetics
- Molecular anthropology
- Bioinformatics
Background:
- Human migration across the globe has led to adaptations visible in physical traits.
- These adaptations are linked to distinct racial origins and haplogroup variations.
- Previous data on human migration and genetic markers were fragmented.
Purpose of the Study:
- To develop a centralized database (HgsDb) for human migration and molecular risk assessment.
- To consolidate information on major mitochondrial DNA (mt-DNA) and Y-DNA haplogroups.
- To support research in genealogy, medical biology, and personalized medicine.
Main Methods:
- Data compilation from open-source platforms like NCBI.
- Organization of information on 76 major mt-DNA and Y-DNA haplogroups and their subclasses.
- Inclusion of structural information for each haplogroup.
Main Results:
- HgsDb offers a comprehensive overview of major human haplogroups.
- The database links haplogroup structures to factors influencing migration and molecular risk.
- Provides detailed insights into maternal and paternal lineage patterns for genealogists.
Conclusions:
- HgsDb facilitates easier access to crucial data on human genetic diversity and migration.
- The database serves as a valuable resource for understanding human origins and adaptations.
- Supports advancements in personalized medicine through detailed genetic information.
Related Concept Videos
Modern Molecular Taxonomy
839
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
839
Evolutionary Relationships through Genome Comparisons
7.3K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
7.3K
Genome-wide Association Studies-GWAS
16.7K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
16.7K
Mismatch Repair
7.1K
Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
7.1K
Human Genetics
1.9K
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
1.9K
Mutation, Gene Flow, and Genetic Drift
66.0K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
66.0K

