Viruses under the Antarctic Ice Shelf are active and potentially involved in global nutrient cycles

Javier Lopez-Simon, Marina Vila-Nistal, Aleksandra Rosenova, Daniele Corte, Federico Baltar () and Manuel Martinez-Garcia ()
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Javier Lopez-Simon: University of Alicante, Carretera San Vicente del Raspeig, San Vicente del Raspeig
Marina Vila-Nistal: University of Alicante, Carretera San Vicente del Raspeig, San Vicente del Raspeig
Aleksandra Rosenova: University of Alicante, Carretera San Vicente del Raspeig, San Vicente del Raspeig
Daniele Corte: Carl von Ossietzky University of Oldenburg
Federico Baltar: University of Vienna
Manuel Martinez-Garcia: University of Alicante, Carretera San Vicente del Raspeig, San Vicente del Raspeig

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract Viruses play an important role in the marine ecosystem. However, our comprehension of viruses inhabiting the dark ocean, and in particular, under the Antarctic Ice Shelves, remains limited. Here, we mine single-cell genomic, transcriptomic, and metagenomic data to uncover the viral diversity, biogeography, activity, and their role as metabolic facilitators of microbes beneath the Ross Ice Shelf. This is the largest Antarctic ice shelf with a major impact on global carbon cycle. The viral community found in the cavity under the ice shelf mainly comprises endemic viruses adapted to polar and mesopelagic environments. The low abundance of genes related to lysogenic lifestyle (

Date: 2023
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DOI: 10.1038/s41467-023-44028-x

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