# The chromosomal genome sequence of the sponge Cliona cf. orientalis Thiele (1900) and its associated microbial metagenome sequences

**Authors:** Emma Marangon, Blake D. Ramsby, Heidi M. Luter, Sara C. Bell, Patrick Laffy, Nicole S. Webster, Ute Hentschel, Cara Fiore, Graeme Oatley, Torsten Thomas, Elizabeth Sinclair, Eerik Aunin, Noah Gettle, Camilla Santos, Michael Paulini, Haoyu Niu, Victoria McKenna, Rebecca O’Brien, Richard R Copley, Sulav Indra Paul, Poppy Hesketh-Best, Amro Hanora, Samar Abdelrahman

PMC · DOI: 10.12688/wellcomeopenres.24304.1 · Wellcome Open Research · 2025-07-09

## TL;DR

This paper provides the genome sequence of the sponge Cliona cf. orientalis and its associated microbial genomes.

## Contribution

The study presents a high-quality chromosomal genome assembly and metagenome sequences from the sponge Cliona cf. orientalis.

## Key findings

- The sponge genome is 217.17 megabases long with 19 chromosomal pseudomolecules.
- A mitochondrial genome of 19.63 kilobases and 25,502 protein-coding genes were identified.
- A high-quality MAG of Parvibaculaceae and partial Symbiodiniaceae sequences were also assembled.

## Abstract

We present a genome assembly from a specimen of
Cliona cf. orientalis (Porifera; Demospongiae; Clionaida; Clionaidae). The genome sequence has a total length of 217.17 megabases. Most of the assembly (98.28%) is scaffolded into 19 chromosomal pseudomolecules. The mitochondrial genome has also been assembled and is 19.63 kilobases in length. Gene annotation of this assembly on Ensembl identified 25,502 protein-coding genes. Furthermore, three prokaryotic binned genomes were generated, including a high-quality metagenome-assembled genome (MAG) of the family Parvibaculaceae. Although Symbiodiniaceae sequences were also identified, a complete genome assembly could not be generated due to low coverage.

## Linked entities

- **Species:** Cliona cf. orientalis (taxon 3411722), Porifera (taxon 6040), Demospongiae (taxon 6042), Clionaida (taxon 1779155), Clionaidae (taxon 76784), Parvibaculaceae (taxon 2813035), Symbiodiniaceae (taxon 252141)

## Full-text entities

- **Species:** Porifera (sponges, phylum) [taxon 6040]

## Full text

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## Figures

7 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12639293/full.md

## References

59 references — full list in the complete paper: https://tomesphere.com/paper/PMC12639293/full.md

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Source: https://tomesphere.com/paper/PMC12639293