Helber, Stephanie B, Steinert, Georg, Wu, Yu-Chen, Rohde, Sven, Hentschel, Ute, Muhando, Christopher A and Schupp, Peter J (2019) Sponges from Zanzibar host diverse prokaryotic communities with potential for natural product synthesis. FEMS Microbiology Ecology, 95 (4). DOI https://doi.org/10.1093/femsec/fiz026.

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Abstract

Sponges are one of the most dominant organisms in marine ecosystems. One reason for their success is their association with microorganisms that are besides the host itself responsible for the chemical defence. Sponge abundances have been increasing on coral reefs in the Western Indian Ocean (WIO) and are predicted to increase further with rising anthropogenic impacts on coral reefs. However, there is a paucity of information on chemical ecology of sponges from the WIO and their prokaryotic community composition. We used a combination of Illumina sequencing and a predictive metagenomic analysis to (i) assess the prokaryotic community composition of sponges from Zanzibar, (ii) predict the presence of KEGG metabolic pathways responsible for bioactive compound production and (iii) relate their presence to the degree of observed chemical defence in their respective sponge host. We found that sponges from Zanzibar host diverse prokaryotic communities that are host species-specific. Sponge-species and respective specimens that showed strong chemical defences in previous studies were also predicted to be highly enriched in various pathways responsible for secondary metabolite production. Hence, the combined sequencing and predictive metagenomic approach proved to be a useful indicator for the metabolic potential of sponge holobionts.

Document Type:	Article
Programme Area:	UNSPECIFIED
Research affiliation:	Ecology > Algae and Seagrass Ecology
Refereed:	Yes
Open Access Journal?:	No
DOI:	https://doi.org/10.1093/femsec/fiz026
ISSN:	1574-6941
Date Deposited:	19 Aug 2019 14:11
Last Modified:	01 Oct 2020 12:59
URI:	http://cris.leibniz-zmt.de/id/eprint/2692

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