HmtDB 2016: data update, a better performing query system and human mitochondrial DNA haplogroup predictor

Area of Science:

• Genomics
• Bioinformatics
• Population Genetics

Background:

• Human mitochondrial genome sequencing generates vast data, necessitating robust resources for analysis.
• Assessing mitochondrial DNA (mtDNA) mutation pathogenicity is crucial for understanding genetic diseases.
• Existing databases require updates to accommodate the increasing volume and resolution of next-generation sequencing (NGS) data.

Purpose of the Study:

• To describe the significant expansion and novel features of the HmtDB resource.
• To enhance the utility of HmtDB for population geneticists and clinicians.
• To provide improved tools for human mitochondrial DNA analysis.

Main Methods:

• Expanded HmtDB data content, tripling its size.
• Redesigned user-friendly web interface.
• Integrated MToolBox package for mtDNA reconstruction and analysis.
• Implemented the Reconstructed Sapiens Reference Sequence (RSRS) as the mitochondrial reference.

Main Results:

• HmtDB now hosts a significantly larger and more comprehensive collection of human mitochondrial genome sequences.
• The updated interface and integrated tools facilitate rapid data access, processing, and analysis.
• The inclusion of RSRS provides a standardized reference for mitochondrial genome analysis.

Conclusions:

• The updated HmtDB resource is a more powerful and user-friendly tool for studying human mitochondrial DNA.
• Enhanced data and analytical capabilities support pathogenicity assessment of mtDNA mutations.
• HmtDB advancements aid researchers in population genetics and clinical diagnostics.