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Updated: May 10, 2026

Novel Sequence Discovery by Subtractive Genomics
Published on: January 25, 2019
The complete mitochondrial genome sequence of Aesopia cornuta (Pleuronectiformes: Soleidae)
Shu-Ying Wang1, Wei Shi, Zhong-Ming Wang
1Key Laboratory of Marine Bio-resources Sustainable Utilization, Marine Biodiversity Collection of South China Sea, South China Sea Institute of Oceanology, Chinese Academy of Sciences , Guangzhou , China .
The complete mitogenome of Aesopia cornuta was sequenced for the first time, revealing its genetic makeup. This study provides crucial data for understanding the evolutionary relationships within the Soleidae family and Pleuronectiformes.
Area of Science:
- Marine Biology
- Genomics
- Evolutionary Biology
Background:
- Aesopia cornuta is a fish species within the Soleidae family (Pleuronectiformes).
- Its morphological characteristics are similar to Zebrias, necessitating clear taxonomic differentiation.
- Understanding the genetic makeup of A. cornuta is vital for its phylogenetic placement.
Purpose of the Study:
- To sequence and characterize the complete mitochondrial genome (mitogenome) of Aesopia cornuta.
- To compare the mitogenome of A. cornuta with related species.
- To provide foundational data for the systematic and phylogenetic study of the genus Aesopia and the Soleidae family.
Main Methods:
- Whole-genome sequencing of Aesopia cornuta.
- Bioinformatic analysis for gene annotation and characterization.
- Comparative analysis of mitogenomic features and base composition.
Main Results:
- The complete mitogenome of A. cornuta was determined to be 16,737 base pairs long.
- The genome contains 37 genes: 13 protein-coding, 2 ribosomal RNA, and 22 transfer RNA genes.
- A slight AT bias (55.1%) was observed in the base composition (C: 29.1%, A: 28.3%, T: 26.8%, G: 15.8%).
Conclusions:
- The gene organization is consistent with typical bony fishes.
- The mitogenome sequence provides a valuable resource for future taxonomic and phylogenetic research on Aesopia, Soleidae, and Pleuronectiformes.
- This study enhances our understanding of the evolutionary history of flatfishes.
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