Chromosome-level assembly of Gymnocypris eckloni genome

Analysis of the expansion and contraction of the gene families revealed that there were 464 (1650 genes) expanded and 743 (192 genes) contracted gene families in <em>Gymnocypris eckloni</em> when compared to its MRCA. The expanded gene families included ABC transporters, Peroxisome, Herpes simplex virus 1 infection, Staphylococcus aureus infection, Axon guidance, Dorso-ventral axis formation, Pertussis, Legionellosis, Rap1 signaling pathway and so on, and the contracted gene families included Tight junction, Systemic lupus erythematosus, Pathogenic Escherichia coli infection, Gap junction, Alcoholism, Pertussis, Ascorbate and aldarate metabolism, NOD-like receptor signaling pathway and so on.