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Giant Marseillevirus highlights the role of amoebae as a melting pot in emergence of chimeric microorganisms
Open accessAbstract
Giant viruses such as Mimivirus isolated from amoeba found in aquatic habitats show biological sophistication comparable to that of simple cellular life forms and seem to evolve by similar mechanisms, including extensive gene duplication and horizontal gene transfer (HGT), possibly in part through a viral parasite, the virophage. We report here the isolation of “Marseille” virus, a previously uncharacterized giant virus of amoeba. The virions of Marseillevirus encompass a 368-kb genome, a minimum of 49 proteins, and some messenger RNAs. Phylogenetic analysis of core genes indicates that Marseillevirus is the prototype of a family of nucleocytoplasmic large DNA viruses (NCLDV) of eukaryotes. The genome repertoire of the virus is composed of typical NCLDV core genes and genes apparently obtained from eukaryotic hosts and their parasites or symbionts, both bacterial and viral. We propose that amoebae are “melting pots” of microbial evolution where diverse forms emerge, including giant viruses with complex gene repertoires of various origins.
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Kobayashi, I. (2001) · Nucleic Acids Research · doi:10.1093/nar/29.18.3742 · Cited by 513
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Self-citationProgrammable RNA-guided DNA endonucleases are widespread in eukaryotes and their viruses
Jiang, K., Lim, J., Sgrizzi, S., Trinh, M., Kayabolen, A., Yutin, N., Bao, W., Kato, K., Koonin, E. V., Gootenberg, J. S., et al. (2023) · Science Advances · doi:10.1126/sciadv.adk0171 · Cited by 60
Self-citationGenomic and structural insights into Jyvaskylavirus, the first giant virus isolated from Finland
Almeida, G. M. D. F., Arriaga, I., de Azevedo, B. L., Leppänen, M., Abrahão, J. S., Andreani, J., Zabeo, D., Ravantti, J. J., Abrescia, N. G., & Sundberg, L.-R. (2025) · eLife · doi:10.7554/elife.103492 · Cited by 4
Rigou, S., Schmitt, A., Alempic, J.-M., Lartigue, A., Vendloczki, P., Abergel, C., Claverie, J.-M., & Legendre, M. (2023) · Molecular Biology and Evolution · doi:10.1093/molbev/msad244 · Cited by 4
Metadata
- Authors
- Boyer, M., Yutin, N., Pagnier, I., Barrassi, L., Fournous, G., Espinosa, L., Robert, C., Azza, S., Sun, S., Rossmann, M. G., Suzan-Monti, M., La Scola, B., Koonin, E. V., & Raoult, D.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2009-12-22
- Volume
- 106
- Issue
- 51
- Pages
- 21848-21853
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2063872287
- Cited by
- 420
- References
- 2
- FWCI
- 18.51
- Type
- journal article
- Language
- en
- Open access
- green
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- Boyer, M., Yutin, N., Pagnier, I., Barrassi, L., Fournous, G., Espinosa, L., Robert, C., Azza, S., Sun, S., Rossmann, M. G., Suzan-Monti, M., La Scola, B., Koonin, E. V., & Raoult, D. (2009). Giant Marseillevirus highlights the role of amoebae as a melting pot in emergence of chimeric microorganisms. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0911354106
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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