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Chrismas, N and Cunliffe, M 2020 Depth-dependent mycoplankton glycoside hydrolase gene activity in the open ocean—evidence from the Tara Oceans eukaryote metatranscriptomes. International Society of Microbial Ecology, 14. 2361-2365. https://doi.org/10.1038/s41396-020-0687-2
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58 Depth-dependent mycoplankton glycoside hydrolase gene activity in the open ocean-evidence from the Tara Oceans eukaryote.pdf - Published Version Available under License Creative Commons Attribution. Download (2MB) | Preview |
Abstract/Summary
Mycoplankton are widespread components of marine ecosystems, yet the full extent of their functional role remains poorly known. Marine mycoplankton are likely functionally analogous to their terrestrial counterparts, including performing saprotrophy and degrading high-molecular weight organic substrates using carbohydrate-active enzymes (CAZymes). We investigated the prevalence of transcribed oceanic fungal CAZyme genes using the Marine Atlas of Tara Ocean Unigenes database. We revealed an abundance of unique transcribed fungal glycoside hydrolases in the open ocean, including a particularly high number that act upon cellulose in surface waters and the deep chlorophyll maximum (DCM). A variety of other glycoside hydrolases acting on a range of biogeochemically important polysaccharides including β-glucans and chitin were also found. This analysis demonstrates that mycoplankton are active saprotrophs in the open ocean and paves the way for future research into the depth-dependent roles of marine fungi in oceanic carbon cycling, including the biological carbon pump.
| Item Type: | Publication - Article |
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| Additional Keywords: | Fungal ecology, microbial biooceanography |
| Subjects: | Marine Sciences |
| Divisions: | Marine Biological Association of the UK > Marine Microbiome |
| Depositing User: | Emily Smart |
| Date made live: | 03 Sep 2021 10:38 |
| Last Modified: | 09 Feb 2024 17:07 |
| URI: | https://plymsea.ac.uk/id/eprint/9335 |
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