The chromosomal genome sequence of the bread-crumb sponge, Halichondria panicea (Pallas, 1766) (Suberitida: Halichondriidae) and its associated microbial metagenome sequences
U Hentschel, Leon X. Steiner, Ángela Marulanda, Lara Schmittmann +15
AI summary
75% confidenceThis study presents the first high-quality chromosomal genome assembly for the bread-crumb sponge Halichondria panicea, totaling 131.46 megabases and scaffolded into 17 pseudomolecules. The research also includes the mitochondrial genome sequence and identifies a specific bacterial symbiont, Halichondribacter symbioticus, within the associated microbial metagenome.
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Abstract
We present a genome assembly from an individual Halichondria panicea (bread-crumb sponge; Porifera; Demospongiae; Suberitida; Halichondriidae). The genome sequence has a total length of 131.46 megabases. Most of the assembly (99.62%) is scaffolded into 17 chromosomal pseudomolecules. The mitochondrial genome has also been assembled, with a length of 19.57 kilobases. Gene annotation of this assembly by Ensembl identified 26 096 protein-coding genes. Five medium-quality bacterial bins were also recovered, of which three belonged to the main Amylibacter -related symbiont, termed Halichondribacter symbioticus .
Key findings
- The sponge genome consists of 131.46 megabases with 99.62% scaffolded into 17 chromosomal pseudomolecules.
- Gene annotation revealed a total of 26,096 protein-coding genes.
- Three of the five recovered bacterial bins belong to the main symbiont Halichondribacter symbioticus.
Keywords
Identifiers
- Journal
- Wellcome Open Research
- Year
- 2026