Sci Data 2026 Mar 05; doi: 10.1038/s41597-026-06982-1.

A high-quality chromosome-level genome assembly of a feather star Glyptometra sp. from a deep seamount.

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Feather stars are an important group for studying the evolution and environmental adaptability. However, the absence of a high-quality feather star genome from deep sea has hindered a thorough understanding of their adaptive evolution. In this study, we reported the first chromosome-level genome assembly of Glyptometra sp. from a deep seamount, Zhenbei seamount, in South China Sea. The Glyptometra sp. CNS01629 genome assembly has a total length of 1.14 Gb with a contig N50 length of 19.0 Mb and a scaffold N50 length of 84.75 Mb, encompassing 13 chromosomes, highlighting high genome continuity. Benchmarking Universal Single-Copy Orthologs (BUSCO) assessment yielded a completeness estimate of 98.1% for this assembly. We predicted a total of 20,814 protein coding genes (PCGs), with 20,309 functionally annotated. The availability of this high-quality chromosome-level genome of Glyptometra sp. CNS01629 contributes to our understanding of the origin and evolution of crinoids.

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