Viruses as new agents of organomineralization in the geological record

M. Pacton, David Wacey, C. Corinaldesi, M. Tangherlini, Matt Kilburn, G.E. Gorin, R. Danovaro, C. Vasconcelos

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Abstract

Viruses are the most abundant biological entities throughout marine and terrestrial ecosystems, but little is known about virus-mineral interactions or the potential for virus preservation in the geological record. Here we use contextual metagenomic data and microscopic analyses to show that viruses occur in high diversity within a modern lacustrine microbial mat, and vastly outnumber prokaryotes and other components of the microbial mat. Experimental data reveal that mineral precipitation takes place directly on free viruses and, as a result of viral infections, on cell debris resulting from cell lysis. Viruses are initially permineralized by amorphous magnesium silicates, which then alter to magnesium carbonate nanospheres of ∼80-200 nm in diameter during diagenesis. Our findings open up the possibility to investigate the evolution and geological history of viruses and their role in organomineralization, as well as providing an alternative explanation for enigmatic carbonate nanospheres previously observed in the geological record. © 2014 Macmillan Publishers Limited.
Original languageEnglish
Pages (from-to)9pp
JournalNature Communications
Volume5
DOIs
Publication statusPublished - 3 Jul 2014

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viruses
Viruses
Nanospheres
Magnesium Silicates
Minerals
magnesium
carbonates
minerals
prokaryotes
Metagenomics
Carbonates
ecosystems
infectious diseases
Virus Diseases
cells
debris
Debris
Ecosystems
Ecosystem
silicates

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Pacton, M., Wacey, D., Corinaldesi, C., Tangherlini, M., Kilburn, M., Gorin, G. E., ... Vasconcelos, C. (2014). Viruses as new agents of organomineralization in the geological record. Nature Communications, 5, 9pp. https://doi.org/10.1038/ncomms5298
Pacton, M. ; Wacey, David ; Corinaldesi, C. ; Tangherlini, M. ; Kilburn, Matt ; Gorin, G.E. ; Danovaro, R. ; Vasconcelos, C. / Viruses as new agents of organomineralization in the geological record. In: Nature Communications. 2014 ; Vol. 5. pp. 9pp.
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Pacton, M, Wacey, D, Corinaldesi, C, Tangherlini, M, Kilburn, M, Gorin, GE, Danovaro, R & Vasconcelos, C 2014, 'Viruses as new agents of organomineralization in the geological record' Nature Communications, vol. 5, pp. 9pp. https://doi.org/10.1038/ncomms5298

Viruses as new agents of organomineralization in the geological record. / Pacton, M.; Wacey, David; Corinaldesi, C.; Tangherlini, M.; Kilburn, Matt; Gorin, G.E.; Danovaro, R.; Vasconcelos, C.

In: Nature Communications, Vol. 5, 03.07.2014, p. 9pp.

Research output: Contribution to journalArticle

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