Related Experiment Video
Updated: May 21, 2026

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing
Published on: February 10, 2023
Mitochondrial genome sequence of the shining catfish (Pelteobagrus nitidus)
Hong-Wei Liang1, Lei Cao, Zhong Li
1College of Animal Science and Technology, Northwest A&F University, Yangling 712100 , PR China.
The complete mitochondrial DNA sequence of Pelteobagrus nitidus was determined, revealing its genome structure and base composition. This study provides foundational data for the mitochondrial genome of this fish species.
Area of Science:
- Genomics
- Molecular Biology
- Ichthyology
Background:
- Mitochondrial DNA (mtDNA) sequencing is crucial for understanding evolutionary relationships and genetic diversity in fish species.
- The Pelteobagrus genus, including Pelteobagrus nitidus, is of interest for aquaculture and ecological studies.
- Complete mitochondrial genome data provides a comprehensive genetic blueprint for a species.
Purpose of the Study:
- To determine the complete mitochondrial DNA (mtDNA) sequence of Pelteobagrus nitidus.
- To analyze the structural organization and base composition of the P. nitidus mitochondrial genome.
- To provide a genomic resource for future research on Pelteobagrus nitidus.
Main Methods:
- Polymerase Chain Reaction (PCR)-based methods were employed for DNA sequencing.
- Bioinformatic tools were used for sequence assembly and annotation.
- Analysis of gene content, genome size, and base composition was performed.
Main Results:
- The complete mitochondrial DNA sequence of Pelteobagrus nitidus was successfully determined, measuring 16,532 base pairs (bp).
- The genome comprises 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and a non-coding control region.
- The base composition is A (31.72%), T (26.92%), C (26.45%), and G (14.91%), exhibiting an A+T rich feature (58.64%) characteristic of vertebrate mitochondrial genomes.
Conclusions:
- The complete mitochondrial genome of Pelteobagrus nitidus has been elucidated.
- The genomic structure and base composition are consistent with other vertebrate mitochondrial genomes.
- This data serves as a valuable resource for phylogenetic and population genetic studies of Pelteobagrus nitidus.
Related Concept Videos
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
Animal Mitochondrial Genetics
Next-generation Sequencing
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
Maxam-Gilbert Sequencing
Challenges of the Maxam-Gilbert Method
The...
Export of Mitochondrial and Chloroplast Genes

