Deep-sea benthic ecosystems waste nothing and recycle everything, even viruses
https://doi.org/10.4081/aiol.2022.11053
Accepted: 24 January 2023
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Viruses are the most abundant biological entities of the global ocean and have a pervasive role in marine ecosystems because, being a major cause of mortality, they module the functioning of food webs, and biogeochemical cycling. This role is due not only to their ability to infect and lyse marine organisms but also to the decomposition of their particles (viral decay). The organic matter of viral origin, indeed, can be recycled by benthic organisms thus representing an additional important food source for their metabolism, especially in deep-sea sediments, characterized by very low availability of trophic resources. This short note will present an overview of the available information on viral decay in deep-sea benthic ecosystems.
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