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Exploring the Archaeal Virosphere by Metagenomics
Yifan Zhou1,2, Yongjie Wang3,4,5, David Prangishvili1,6
1Institut Pasteur, Université Paris Cité, Archaeal Virology Unit, Paris, France.
Methods in Molecular Biology (Clifton, N.J.)
|December 7, 2023
Summary
Metagenomics reveals the vast diversity of archaeal viruses, which are crucial for global ecosystems but largely unculturable. This study outlines methods for exploring these viruses and their hosts in various environments.
Area of Science:
- Microbiology
- Environmental Science
- Virology
Background:
- Archaea are abundant and ecologically significant globally.
- Most archaeal lineages and their viruses remain uncultured, limiting study.
- Metagenomics offers a culture-independent approach to viral discovery.
Purpose of the Study:
- To provide an overview of methods for archaeal virus metagenomics.
- To facilitate the exploration of the uncultured archaeal virosphere.
- To aid in characterizing archaeal viruses and their hosts.
Main Methods:
- Metavirome preparation.
- Genome annotation and phylogenetic analysis.
- Archaeal virus-host assignment.
Main Results:
- Metagenomics successfully applied to diverse archaeal lineages (e.g., Asgardarchaeota, Methanophagales).
- Insights into the diversity and distribution of uncultured archaeal viruses.
- Established methods for analyzing archaeal viromes.
Conclusions:
- Viral metagenomics is essential for studying uncultured archaeal viruses.
- The outlined methods support further exploration of the archaeal virosphere.
- Understanding archaeal viruses is key to comprehending microbial ecology.
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