An improved chromosome-level genome assembly and annotation of Hong Kong catfish (Clarias fuscus)
Abstract Clarias fuscus, renowned for its resilience and nutritional value, is a significant aquaculture species in China. To facilitate further genetic research and breeding programs in this species, we generated an improved high-quality chromosome-level genome assembly of a female C. fuscus using...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-02-01
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| Series: | Scientific Data |
| Online Access: | https://doi.org/10.1038/s41597-025-04523-w |
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| Summary: | Abstract Clarias fuscus, renowned for its resilience and nutritional value, is a significant aquaculture species in China. To facilitate further genetic research and breeding programs in this species, we generated an improved high-quality chromosome-level genome assembly of a female C. fuscus using MGI, PacBio, and Hi-C sequencing technologies. The final genome assembly spans 982.84 Mb, with contig and scaffold N50 values of 36.16 Mb and 37.66 Mb, respectively, and successfully anchors 99.60% of the sequences to 28 pseudochromosomes. We also predicted 24,849 protein-coding genes, with 97.3% of them functionally annotated. BUSCO analysis indicates a completeness of 97.03% for the assembly and 96.6% for the annotation. This study significantly advances the genomic resources available for C. fuscus and supports future molecular breeding and functional genomics research. |
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| ISSN: | 2052-4463 |