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Trapped DNA fragments in marine sponge specimens unveil North Atlantic deep-sea fish diversity

Neave, EF, Cai, W, Arias, MB, Harper, LR, Riesgo, A and Mariani, S (2023) Trapped DNA fragments in marine sponge specimens unveil North Atlantic deep-sea fish diversity. Proceedings of the Royal Society B: Biological Sciences, 290 (2005). p. 20230771. ISSN 0962-8452

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Sponges pump water to filter feed and for diffusive oxygen uptake. In doing so, trace DNA fragments from a multitude of organisms living around them are trapped in their tissues. Here we show that the environmental DNA retrieved from archived marine sponge specimens can reconstruct the fish communities at the place of sampling and discriminate North Atlantic assemblages according to biogeographic region (from Western Greenland to Svalbard), depth habitat (80-1600 m), and even the level of protection in place. Given the cost associated with ocean biodiversity surveys, we argue that targeted and opportunistic sponge samples - as well as the specimens already stored in museums and other research collections - represent an invaluable trove of biodiversity information that can significantly extend the reach of ocean monitoring.

Item Type: Article
Uncontrolled Keywords: Animals; Fishes; Porifera; DNA; Biodiversity; DNA, Environmental; biodiversity; environmental DNA; extended specimen; marine monitoring; metabarcoding; sponges; Animals; DNA; DNA, Environmental; Biodiversity; Fishes; Porifera; 06 Biological Sciences; 07 Agricultural and Veterinary Sciences; 11 Medical and Health Sciences
Subjects: A General Works > AM Museums (General). Collectors and collecting (General)
A General Works > AM Museums (General). Collectors and collecting (General)
G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history > QH301 Biology
S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: Biological & Environmental Sciences (from Sep 19)
Publisher: The Royal Society
SWORD Depositor: A Symplectic
Date Deposited: 02 Oct 2023 11:07
Last Modified: 02 Oct 2023 11:15
DOI or ID number: 10.1098/rspb.2023.0771
URI: https://researchonline.ljmu.ac.uk/id/eprint/21655
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