A closed Candidatus Odinarchaeum chromosome exposes Asgard archaeal viruses

Daniel Tamarit; Eva F. Caceres; Mart Krupovic; Reindert Nijland; Laura Eme; Nicholas P. Robinson; Thijs J.G. Ettema

doi:10.1038/s41564-022-01122-y

A closed Candidatus Odinarchaeum chromosome exposes Asgard archaeal viruses

Daniel Tamarit^*, Eva F. Caceres, Mart Krupovic, Reindert Nijland, Laura Eme, Nicholas P. Robinson, Thijs J.G. Ettema

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

8 Citations (Scopus)

Abstract

Asgard archaea have recently been identified as the closest archaeal relatives of eukaryotes. Their ecology, and particularly their virome, remain enigmatic. We reassembled and closed the chromosome of Candidatus Odinarchaeum yellowstonii LCB_4, through long-range PCR, revealing CRISPR spacers targeting viral contigs. We found related viruses in the genomes of diverse prokaryotes from geothermal environments, including other Asgard archaea. These viruses open research avenues into the ecology and evolution of Asgard archaea.

Original language	English
Pages (from-to)	948-952
Journal	Nature Microbiology
Volume	7
DOIs	https://doi.org/10.1038/s41564-022-01122-y
Publication status	Published - Jul 2022

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10.1038/s41564-022-01122-yLicence: CC BY

https://edepot.wur.nl/572886Licence: CC BY

PRO2EUK: Exploring Asgard archaea to illuminate the prokaryote-to-eukaryote transition
1/06/19 → 31/05/24
Project: EU research project

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abstract = "Asgard archaea have recently been identified as the closest archaeal relatives of eukaryotes. Their ecology, and particularly their virome, remain enigmatic. We reassembled and closed the chromosome of Candidatus Odinarchaeum yellowstonii LCB_4, through long-range PCR, revealing CRISPR spacers targeting viral contigs. We found related viruses in the genomes of diverse prokaryotes from geothermal environments, including other Asgard archaea. These viruses open research avenues into the ecology and evolution of Asgard archaea.",

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AU - Tamarit, Daniel

AU - Caceres, Eva F.

AU - Krupovic, Mart

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AU - Eme, Laura

AU - Robinson, Nicholas P.

AU - Ettema, Thijs J.G.

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AB - Asgard archaea have recently been identified as the closest archaeal relatives of eukaryotes. Their ecology, and particularly their virome, remain enigmatic. We reassembled and closed the chromosome of Candidatus Odinarchaeum yellowstonii LCB_4, through long-range PCR, revealing CRISPR spacers targeting viral contigs. We found related viruses in the genomes of diverse prokaryotes from geothermal environments, including other Asgard archaea. These viruses open research avenues into the ecology and evolution of Asgard archaea.

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JF - Nature Microbiology

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A closed Candidatus Odinarchaeum chromosome exposes Asgard archaeal viruses

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PRO2EUK: Exploring Asgard archaea to illuminate the prokaryote-to-eukaryote transition

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