14. 109 partículas por ml
1030 a 1031 partículas
270 Mt de Carbono
20 a 40% das bactérias
15.
16.
17. Mimivírus, Megavírus e Pandoravírus
600 nm
Legendre, M., Bartoli, J., Shmakova, L., Jeudy, S., Labadie, K., Adrait, A., et al. (2014). Thirty-thousand-year-old distant
relative of giant icosahedral DNA viruses with a pandoravirus morphology. AS, 111(11), 4274–4279.
doi:10.1073/pnas.1320670111
1,5 µm
18. Virofágos – Lavidaviridae
50 nm
La Scola, B., Desnues, C., Pagnier, I., Robert, C., Barrassi, L., Fournous, G., et al. (2008). The
virophage as a unique parasite of the giant mimivirus. Nature, 455(7209), 100–104.
doi:10.1038/nature07218
Krupovic M, Kuhn JH, Fischer MG (2016), "A classification system for virophages and satellite
viruses”, Archives of Virology 161: 233–47, doi:10.1007/s00705-015-2622-9
19. Adaptado de - Pennisi, E. (2013, July 19). Ever-bigger viruses shake tree of life. Science, pp.
226–227. doi:10.1126/science.341.6143.226
21. Belyi, V., Arnold J Levine, and Anna Marie Skalka. 2010. “Unexpected Inheritance: Multiple Integrations of
Ancient Bornavirus and Ebolavirus/Marburgvirus Sequences in Vertebrate Genomes..” PLoS Pathogens 6 (7):
e1001030. doi:10.1371/journal.ppat.1001030.
Vírus de RNA, novos ou antigos?
22. Adaptado de - Nasir A, Sun F-J, Kim KM, Caetano-Anollés G. Untangling the origin of viruses and
their impact on cellular evolution. Ann N Y Acad Sci. 2015; n/a–n/a. doi:10.1111/nyas.12735
Parasita regredido: Quarto domínio da vida?
23. Quarto domínio da vida?
Adaptado de Yutin, Natalya, Yuri I Wolf, and Eugene V Koonin. “Origin of Giant Viruses From
Smaller DNA Viruses Not From a Fourth Domain of Cellular Life.” Virology 2014; 466-467: 38–52.
doi:10.1016/j.virol.2014.06.032.
24. Krupovic, Mart, and Eugene V
Koonin. 2015. “Polintons: a Hotbed
of Eukaryotic Virus, Transposon and
Plasmid Evolution.” Nature Reviews
Microbiology 13 (2). Nature
Publishing Group: 105–15.
doi:10.1038/nrmicro3389.
Eles estavam aqui desde o começo
25. Elemento genético
Krupovic, Mart, and Eugene V
Koonin. 2015. “Polintons: a
Hotbed of Eukaryotic Virus,
Transposon and Plasmid
Evolution.” Nature Reviews
Microbiology 13 (2). 105–15.
doi:10.1038/nrmicro3389.
• DNApol - POL
• Integrase – INT
• ATPase
• protease
26. Autonomia
Koonin, E. V., & Starokadomskyy, P. (2016). Are viruses alive? The replicator paradigm sheds
decisive light on an old but misguided question. Studies in History and Philosophy of Science Part
C: Studies in History and Philosophy of Biological and Biomedical Sciences.
http://doi.org/10.1016/j.shpsc.2016.02.016
27. Hipóteses sobre sua origem:
Estavam sempre aquiParasita que regrediu
Elemento genético desgovernado