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Chromosome-Level Genome Assembly and Transcriptome Analysis of the Chinese Bahaba (Bahaba taipingensis)
Ming Li1,2, Wenteng Xu1,2, Zehao Ma1,2
1State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China.
Scientific Data
|June 29, 2026
Summary
A high-quality genome assembly for the critically endangered Chinese bahaba (Bahaba taipingensis) was created. This resource aids in understanding its unique traits and supports conservation genomics efforts.
Area of Science:
- Genomics
- Marine Biology
- Conservation Science
Background:
- The Chinese bahaba (Bahaba taipingensis) is a critically endangered fish species.
- It holds significant ecological, economic, and medicinal value.
- Understanding its genome is crucial for conservation.
Purpose of the Study:
- To generate a high-quality genome assembly for Bahaba taipingensis.
- To provide a resource for studying its genetic basis and conservation.
Main Methods:
- Utilized PacBio HiFi, ONT ultra-long, and Hi-C sequencing data.
- Assembled genome sequences and anchored them to chromosomes.
- Performed transcriptome analysis across nine tissues.
Main Results:
- Generated a 686.86 Mb genome assembly with 83 contigs and a contig N50 of 30.02 Mb.
- Anchored the assembly to 24 chromosomes with high completeness (96.5% BUSCOs).
- Identified higher expression of col1a1 and col1a2 genes in the swim bladder.
Conclusions:
- The high-quality genome assembly is a valuable resource for Bahaba taipingensis.
- It facilitates research into swim bladder collagen synthesis and otolith development.
- Aids future conservation genomics studies for this endangered species.
