Related Experiment Video
Updated: Jul 4, 2026
12:44
Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis
Published on: November 11, 2014
The RHNumtS compilation: features and bioinformatics approaches to locate and quantify Human NumtS
Daniela Lascaro1, Stefano Castellana, Giuseppe Gasparre
1Dipartimento di Biochimica e Biologia Molecolare E, Quagliariello, Università di Bari, Via E, Orabona 4, 70126 Bari, Italy. daniela.lascaro@biologia.uniba.it
BMC Genomics
|June 5, 2008
Summary
Nuclear mitochondrial sequences (NumtS) are DNA fragments from mitochondria integrated into the nuclear genome. This study created a reliable compilation of Human NumtS (RHNumtS) to improve their quantification and location in genetic studies.
Area of Science:
- Genomics
- Bioinformatics
- Molecular Biology
Background:
- Eukaryotic nuclear genomes contain fragments of mitochondrial DNA (mtDNA), known as NumtS.
- NumtS abundance, redundancy, and copy number vary across species.
- Accurate NumtS quantification and localization are crucial for population and clinical genetics.
Purpose of the Study:
- To address discrepancies in existing Human NumtS compilations.
- To optimize the quantification and location of NumtS.
- To produce a consensus compilation of Human NumtS using bioinformatics.
Main Methods:
- Applied various bioinformatics approaches, including database similarity searching (Blastn, MegaBlast, BLAT).
- Compared and analyzed results from different methods and databases.
- Validated findings against published Human NumtS compilations.
Main Results:
- Developed the Reference Human Numt Sequences (RHNumtS) compilation.
- The RHNumtS compilation includes a total of 190 NumtS.
- Preliminary validation involved PCR amplification and sequencing of 41 selected NumtS.
Conclusions:
- The RHNumtS compilation provides a reliable reference for experimental validation of NumtS.
- A database structure for RHNumtS is being developed for the HmtDB resource.
- Future work includes hosting NumtS compilations for other organisms with high-quality nuclear genome assemblies.
