ArticleG3 (Bethesda, Md.)2023
Chromosome-level genome assembly of Hydractinia symbiolongicarpus.
Article in G3 (Bethesda, Md.), 2023. 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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Who cites it
15 citing papers in PubMed, 19 citations in OpenAlex.
- A chromosome-level reference genome for the colonial marine hydrozoan Podocoryna americana.G3 (Bethesda, Md.) · 2026Article
- A chromosome-level genome assembly for the colonial marine hydrozoanbioRxiv : the preprint server for biology · 2026Article
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- An updated and spatially validated somatic single-cell atlas of Hydractinia symbiolongicarpus.BMC genomics · 2025Article
- Myxozoan parasite genomes assembled from contaminated host data reveal extensive gene order conservation and rapid sequence evolution.G3 (Bethesda, Md.) · 2025Article
- Genome assembly of Bougainvillia cf. muscus (Cnidaria: Hydrozoa).G3 (Bethesda, Md.) · 2025Article
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- The Hydractinia cell atlas reveals cellular and molecular principles of cnidarian coloniality.Nature communications · 2025Article
- The Chromosome-level Genome of the Ctenophore Mnemiopsis leidyi A. Agassiz, 1865 Reveals a Unique Immune Gene Repertoire.Genome biology and evolution · 2025Article
- TheBioinformatics advances · 2025Article
- Apoptosis-dependent head development during metamorphosis of the cnidarian Hydractinia symbiolongicarpus.Developmental biology · 2024Article
- Novel technologies uncover novel 'anti'-microbial peptides inPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- The genome of the colonial hydroidGenome research · 2024Article
- Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
Abstract
Hydractinia symbiolongicarpus is a pioneering model organism for stem cell biology, being one of only a few animals with adult pluripotent stem cells (known as i-cells). However, the unavailability of a chromosome-level genome assembly has hindered a comprehensive understanding of global gene regulatory mechanisms underlying the function and evolution of i-cells. Here, we report the first chromosome-level genome assembly of H. symbiolongicarpus (HSymV2.0) using PacBio HiFi long-read sequencing and Hi-C scaffolding. The final assembly is 483 Mb in total length with 15 chromosomes representing 99.8% of the assembly. Repetitive sequences were found to account for 296 Mb (61%) of the total genome; we provide evidence for at least two periods of repeat expansion in the past. A total of 25,825 protein-coding genes were predicted in this assembly, which include 93.1% of the metazoan Benchmarking Universal Single-Copy Orthologs (BUSCO) gene set. 92.8% (23,971 genes) of the predicted proteins were functionally annotated. The H. symbiolongicarpus genome showed a high degree of macrosynteny conservation with the Hydra vulgaris genome. This chromosome-level genome assembly of H. symbiolongicarpus will be an invaluable resource for the research community that enhances broad biological studies on this unique model organism.
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Registered trials
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