ArticleGigaScience2021
Chromosome-level genome assemblies of Channa argusandChanna maculata and comparative analysis of their temperature adaptability.
Article in GigaScience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 44 citations in OpenAlex.
- A Genome-Wide Association Study Identifies Candidate SNPs and Genes Associated with Body Weight in the Northern Snakehead (Animals : an open access journal from MDPI · 2026Article
- Molecular Characterization and Functional Analysis ofInternational journal of molecular sciences · 2026Article
- Prolactin-PRLR-STAT5 signaling upregulates a candidate pheromone receptor caor67 in the olfactory epithelium of northern snakehead (Channa argus).Fish physiology and biochemistry · 2026Article
- Developmental Toxicity of Chlorinated Polyfluorinated Ether Sulfonate (F-53B), a Perfluorooctane Sulfonate (PFOS) Alternative, in Embryos and Larvae of Blotched Snakehead (Antioxidants (Basel, Switzerland) · 2026Article
- Transcriptome and Gene Family Analyses Reveal the Physiological and Immune Regulatory Mechanisms ofAntioxidants (Basel, Switzerland) · 2026Article
- Intron turnover of slc26a1 and slc26a2 and convergence of intron insertion sites.Scientific reports · 2025Article
- A chromosome-level reference genome assembly of the Small snakehead (Channa asiatica).Scientific data · 2025Article
- Chromosome-level genome assembly of the northern snakehead (Channa argus) using PacBio and Hi-C technologies.Scientific data · 2024Article
- Effects of cold stress on the blood-brain barrier in Plectropomus leopardus.BMC genomics · 2024Article
- Genome-Wide Association Studies (GWAS) and Transcriptome Analysis Reveal Male Heterogametic Sex-Determining Regions and Candidate Genes in Northern Snakeheads (International journal of molecular sciences · 2024Article
- Histological observations and transcriptome analyses reveal the dynamic changes in the gonads of the blotched snakehead (Channa maculata) during sex differentiation and gametogenesis.Biology of sex differences · 2024Article
- Comparison of nutritional value of snakehead fish from Guangdong and Deqing varieties.PloS one · 2024Article
- Targeting autophagy with natural products as a potential therapeutic approach for diabetic microangiopathy.Frontiers in pharmacology · 2024Review
- Effects of leucism on organ development and molecular mechanisms in Northern snakehead (Channa argus) beyond pigmentation alterations.Scientific reports · 2023Article
- Chromosome-level genome assemblies of Channa argusandChanna maculata and comparative analysis of their temperature adaptability.GigaScience · 2021Article
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11 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundChanna argus and Channa maculata are the main cultured species of the snakehead fish family, Channidae. The relationship between them is close enough that they can mate; however, their temperature adaptability is quite different.
resultsIn this study, we sequenced and assembled the whole genomes of C. argus and C. maculata and obtained chromosome-level genome assemblies of 630.39 and 618.82 Mb, respectively. Contig N50 was 13.20 and 21.73 Mb, and scaffold N50 was 27.66 and 28.37 Mb, with 28,054 and 24,115 coding genes annotated for C. argus and C. maculata, respectively. Our analyses showed that C. argus and C. maculata have 24 and 21 chromosomes, respectively. Three pairs of chromosomes in C. argus correspond to 3 chromosomes in C. maculata, suggesting that 3 chromosomal fusion events occurred in C. maculata. Comparative analysis of their gene families showed that some immune-related genes were unique or expandable to C. maculata, such as genes related to herpes simplex infection. Analysis of the transcriptome differences related to temperature adaptation revealed that the brain and liver of C. argus rapidly produced more differentially expressed genes than C. maculata. Genes in the FoxO signalling pathway were significantly enriched in C. argus during the cooling process (P < 0.05), and the expression of 3 transcription factor genes in this pathway was significantly different between C. argus and C. maculata (P < 0.01).
conclusionsC. maculata may have higher resistance to certain diseases, whereas C. argus has a faster and stronger response to low-temperature stress and thus has better adaptability to a low-temperature environment. This study provides a high-quality genome research platform for follow-up studies of Channidae and provides important clues regarding differences in the low-temperature adaptations of fish.
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