D. Raoult, S. Audic, C. Robert, C. Abergel, P. Renesto et al., The 1.2-Megabase Genome Sequence of Mimivirus, Science, vol.306, issue.5700, pp.1344-1350, 2004.
DOI : 10.1126/science.1101485

URL : https://hal.archives-ouvertes.fr/hal-00651656

P. Colson, N. Yutin, S. A. Shabalina, C. Robert, G. Fournous et al., Viruses with More Than 1,000 Genes: Mamavirus, a New Acanthamoeba polyphaga mimivirus Strain, and Reannotation of Mimivirus Genes, Genome Biology and Evolution, vol.3, issue.0, pp.737-742, 2011.
DOI : 10.1093/gbe/evr048

C. Desnues, L. Scola, B. Yutin, N. Fournous, G. Robert et al., Provirophages and transpovirons as the diverse mobilome of giant viruses, Proceedings of the National Academy of Sciences, vol.109, issue.44, pp.18078-18083, 2012.
DOI : 10.1073/pnas.1208835109

N. Yoosuf, N. Yutin, P. Colson, S. A. Shabalina, I. Pagnier et al., Related Giant Viruses in Distant Locations and Different Habitats: Acanthamoeba polyphaga moumouvirus Represents a Third Lineage of the Mimiviridae That Is Close to the Megavirus Lineage, Genome Biology and Evolution, vol.4, issue.12, pp.1324-1330, 2012.
DOI : 10.1093/gbe/evs109

N. Yoosuf, I. Pagnier, G. Fournous, C. Robert, D. Raoult et al., Draft genome sequences of Terra1 and Terra2 viruses, new members of the family Mimiviridae isolated from soil, Virology, vol.452, issue.453, pp.452-453, 2014.
DOI : 10.1016/j.virol.2013.12.032

D. Arslan, M. Legendre, V. Seltzer, C. Abergel, and J. M. Claverie, Distant Mimivirus relative with a larger genome highlights the fundamental features of Megaviridae, Proceedings of the National Academy of Sciences, vol.108, issue.42, pp.17486-17491, 2011.
DOI : 10.1073/pnas.1110889108

H. Saadi, I. Pagnier, P. Colson, J. K. Cherif, M. Beji et al., First Isolation of Mimivirus in a Patient With Pneumonia, Clinical Infectious Diseases, vol.57, issue.4, pp.127-134, 2013.
DOI : 10.1093/cid/cit354

M. G. Fischer, M. J. Allen, W. H. Wilson, and C. A. Suttle, Giant virus with a remarkable complement of genes infects marine zooplankton, Proceedings of the National Academy of Sciences, vol.107, issue.45, pp.19508-19513, 2010.
DOI : 10.1073/pnas.1007615107

S. Santini, S. Jeudy, J. Bartoli, O. Poirot, M. Lescot et al., Genome of Phaeocystis globosa virus PgV-16T highlights the common ancestry of the largest known DNA viruses infecting eukaryotes, Proceedings of the National Academy of Sciences, vol.110, issue.26, pp.10800-10805, 2013.
DOI : 10.1073/pnas.1303251110

S. Yau, F. M. Lauro, M. Z. Demaere, M. V. Brown, T. Thomas et al., Virophage control of antarctic algal host-virus dynamics, Proceedings of the National Academy of Sciences, vol.108, issue.15, pp.6163-6168, 2011.
DOI : 10.1073/pnas.1018221108

L. M. Iyer, L. Aravind, and E. V. Koonin, Common Origin of Four Diverse Families of Large Eukaryotic DNA Viruses, Journal of Virology, vol.75, issue.23, pp.11720-11734, 2001.
DOI : 10.1128/JVI.75.23.11720-11734.2001

J. Kuznar, M. L. Salas, and E. Vinuela, DNA-dependent RNA polymerase in African swine fever virus, Virology, vol.101, issue.1, pp.169-175, 1980.
DOI : 10.1016/0042-6822(80)90493-6

H. Minnigan and R. W. Moyer, Intracellular location of rabbit poxvirus nucleic acid within infected cells as determined by in situ hybridization, J. Virol, vol.55, pp.634-643, 1985.

Y. Mutsafi, N. Zauberman, I. Sabanay, and A. Minsky, Vaccinia-like cytoplasmic replication of the giant Mimivirus, Proceedings of the National Academy of Sciences, vol.107, issue.13, pp.5978-5982, 2010.
DOI : 10.1073/pnas.0912737107

M. L. Salas, J. Kuznar, and E. Vinuela, Polyadenylation, methylation, and capping of the RNA synthesized in vitro by African swine fever virus, Virology, vol.113, issue.2, pp.484-491, 1981.
DOI : 10.1016/0042-6822(81)90176-8

P. Renesto, C. Abergel, P. Decloquement, D. Moinier, S. Azza et al., Mimivirus Giant Particles Incorporate a Large Fraction of Anonymous and Unique Gene Products, Journal of Virology, vol.80, issue.23, pp.11678-11685, 2006.
DOI : 10.1128/JVI.00940-06

URL : https://hal.archives-ouvertes.fr/hal-00165618

M. Legendre, S. Audic, O. Poirot, P. Hingamp, V. Seltzer et al., mRNA deep sequencing reveals 75 new genes and a complex transcriptional landscape in Mimivirus, Genome Research, vol.20, issue.5, pp.664-674, 2010.
DOI : 10.1101/gr.102582.109

S. S. Broyles, Vaccinia virus transcription, Journal of General Virology, vol.84, issue.9, pp.2293-2303, 2003.
DOI : 10.1099/vir.0.18942-0

B. M. Baroudy and B. Moss, PURIFICATION AND CHARACTERIZATION OF DNA-DEPENDENT RNA POLYMERASE FROM VACCINIA VIRIONS, J. Biol. Chem, vol.255, pp.4372-4380, 1980.
DOI : 10.1016/B978-0-12-633360-2.50032-2

K. Suhre, S. Audic, and J. M. Claverie, Mimivirus gene promoters exhibit an unprecedented conservation among all eukaryotes, Proceedings of the National Academy of Sciences, vol.102, issue.41, pp.14689-14693, 2005.
DOI : 10.1073/pnas.0506465102

URL : https://hal.archives-ouvertes.fr/hal-00004653

D. Byrne, R. Grzela, A. Lartigue, S. Audic, S. Chenivesse et al., The polyadenylation site of Mimivirus transcripts obeys a stringent 'hairpin rule', Genome Research, vol.19, issue.7, pp.1233-1242, 2009.
DOI : 10.1101/gr.091561.109

Q. Yang, L. W. Nausch, G. Martin, W. Keller, and S. Doublie, Crystal Structure of Human Poly(A) Polymerase Gamma Reveals a Conserved Catalytic Core for Canonical Poly(A) Polymerases, Journal of Molecular Biology, vol.426, issue.1, pp.43-50, 2014.
DOI : 10.1016/j.jmb.2013.09.025

P. B. Balbo and A. Bohm, Mechanism of Poly(A) Polymerase: Structure of the Enzyme-MgATP-RNA Ternary Complex and Kinetic Analysis, Structure, vol.15, issue.9, pp.1117-1131, 2007.
DOI : 10.1016/j.str.2007.07.010

Y. Bai, S. K. Srivastava, J. H. Chang, J. L. Manley, and L. Tong, Structural Basis for Dimerization and Activity of Human PAPD1, a Noncanonical Poly(A) Polymerase, Molecular Cell, vol.41, issue.3, pp.311-320, 2011.
DOI : 10.1016/j.molcel.2011.01.013

C. M. Moure, B. R. Bowman, P. D. Gershon, and F. A. Quiocho, Crystal Structures of the Vaccinia Virus Polyadenylate Polymerase Heterodimer: Insights into ATP Selectivity and Processivity, Molecular Cell, vol.22, issue.3, pp.339-349, 2006.
DOI : 10.1016/j.molcel.2006.03.015

J. M. Rodriguez, R. J. Yanez, J. F. Rodriguez, E. Vinuela, and M. L. Salas, The DNA polymerase-encoding gene of African swine fever virus: sequence and transcriptional analysis, Gene, vol.136, issue.1-2, pp.103-110, 1993.
DOI : 10.1016/0378-1119(93)90453-A

R. C. Condit and E. G. Niles, Regulation of viral transcription elongation and termination during vaccinia virus infection, Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, vol.1577, issue.2, pp.1577-325, 2002.
DOI : 10.1016/S0167-4781(02)00461-X

P. D. Gershon and B. Moss, Uridylate-containing RNA sequences determine specificity for binding and polyadenylation by the catalytic subunit of vaccinia virus poly(A) polymerase, EMBO J, vol.12, pp.4705-4714, 1993.

P. D. Gershon and B. Moss, Stimulation of poly(A) tail elongation by the VP39 subunit of the vaccinia virus-encoded poly(A) polymerase, J. Biol. Chem, vol.268, pp.2203-2210, 1993.

D. Benarroch, . Smith, and S. Shuman, Characterization of a Trifunctional Mimivirus mRNA??Capping Enzyme and Crystal Structure of the RNA Triphosphatase Domain, Structure, vol.16, issue.4, pp.501-512, 2008.
DOI : 10.1016/j.str.2008.01.009

D. Benarroch, Z. R. Qiu, B. Schwer, and S. Shuman, Characterization of a mimivirus RNA cap guanine-N2 methyltransferase, RNA, vol.15, issue.4, pp.666-674, 2009.
DOI : 10.1261/rna.1462109

A. E. Hodel, P. D. Gershon, X. Shi, and F. A. Quiocho, The 1.85 ?? Structure of Vaccinia Protein VP39: A Bifunctional Enzyme That Participates in the Modification of Both mRNA Ends, Cell, vol.85, issue.2, pp.247-256, 1996.
DOI : 10.1016/S0092-8674(00)81101-0

F. Peyrane, B. Selisko, E. Decroly, J. J. Vasseur, D. Benarroch et al., High-yield production of short GpppA- and 7MeGpppA-capped RNAs and HPLC-monitoring of methyltransfer reactions at the guanine-N7 and adenosine-2'O positions, Nucleic Acids Research, vol.35, issue.4, p.26, 2007.
DOI : 10.1093/nar/gkl1119

URL : https://hal.archives-ouvertes.fr/hal-00139133

G. Bricogne, C. Vonrhein, C. Flensburg, M. Schiltz, and W. Paciorek, 2.0, Acta Crystallographica Section D Biological Crystallography, vol.59, issue.11, pp.2023-2030, 2003.
DOI : 10.1107/S0907444903017694

C. Abergel, Spectacular improvement of X-ray diffraction through fast desiccation of protein crystals, Acta Crystallographica Section D Biological Crystallography, vol.60, issue.8, pp.1413-1416, 2004.
DOI : 10.1107/S0907444904013678

A. J. Mccoy, R. W. Grosse-kunstleve, P. D. Adams, M. D. Winn, L. C. Storoni et al., crystallographic software, Journal of Applied Crystallography, vol.40, issue.4, pp.658-674, 2007.
DOI : 10.1107/S0021889807021206

E. Krissinel and K. Henrick, Inference of Macromolecular Assemblies from Crystalline State, Journal of Molecular Biology, vol.372, issue.3, pp.774-797, 2007.
DOI : 10.1016/j.jmb.2007.05.022

N. A. Baker, D. Sept, S. Joseph, M. J. Holst, and J. A. Mccammon, Electrostatics of nanosystems: Application to microtubules and the ribosome, Proceedings of the National Academy of Sciences, vol.98, issue.18, pp.10037-10041, 2001.
DOI : 10.1073/pnas.181342398

S. Jeudy, J. M. Claverie, and C. Abergel, The nucleoside diphosphate kinase from mimivirus: a peculiar affinity for deoxypyrimidine nucleotides, Journal of Bioenergetics and Biomembranes, vol.353, issue.3-4, pp.247-254, 2006.
DOI : 10.1007/s10863-006-9045-y

K. Barral, C. Sallamand, C. Petzold, B. Coutard, A. Collet et al., Development of specific dengue virus 2???-O- and N7-methyltransferase assays for antiviral drug screening, Antiviral Research, vol.99, issue.3, pp.292-300, 2013.
DOI : 10.1016/j.antiviral.2013.06.001

URL : https://hal.archives-ouvertes.fr/hal-00874640

S. F. Altschul, T. L. Madden, A. A. Schaffer, J. Zhang, Z. Zhang et al., Gapped BLAST and PSI-BLAST: a new generation of protein database search programs, Nucleic Acids Research, vol.25, issue.17, pp.3389-3402, 1997.
DOI : 10.1093/nar/25.17.3389

L. Aravind and E. V. Koonin, DNA polymerase beta-like nucleotidyltransferase superfamily: identification of three new families, classification and evolutionary history, Nucleic Acids Research, vol.27, issue.7, pp.1609-1618, 1999.
DOI : 10.1093/nar/27.7.1609

M. Legendre, D. Arslan, C. Abergel, and J. M. Claverie, Genomics of Megavirus and the elusive fourth domain of Life, Communicative & Integrative Biology, vol.5, issue.1, pp.102-106, 2012.
DOI : 10.1186/1471-2164-8-456

P. D. Gershon and B. Moss, Transition from rapid processive to slow nonprocessive polyadenylation by vaccinia virus poly(A) polymerase catalytic subunit is regulated by the net length of the poly(A) tail., Genes & Development, vol.6, issue.8, pp.1575-1586, 1992.
DOI : 10.1101/gad.6.8.1575

G. Martin and W. Keller, RNA-specific ribonucleotidyl transferases, RNA, vol.13, issue.11, pp.1834-1849, 2007.
DOI : 10.1261/rna.652807

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2040100

L. Holm and P. Rosenstrom, Dali server: conservation mapping in 3D, Nucleic Acids Research, vol.38, issue.Web Server, pp.545-549, 2010.
DOI : 10.1093/nar/gkq366

H. Li, C. Li, S. Zhou, T. L. Poulos, and P. D. Gershon, Domain-level rocking motion within a polymerase that translocates on single-stranded nucleic acid, Acta Crystallographica Section D Biological Crystallography, vol.282, issue.4, pp.617-624, 2013.
DOI : 10.1107/S0907444913000346

M. Zuker, Mfold web server for nucleic acid folding and hybridization prediction, Nucleic Acids Research, vol.31, issue.13, pp.3406-3415, 2003.
DOI : 10.1093/nar/gkg595

Y. H. Liang, M. Lavoie, M. A. Comeau, S. Abou-elela, and X. Ji, Structure of a Eukaryotic RNase III Postcleavage Complex Reveals a Double-Ruler Mechanism for Substrate Selection, Molecular Cell, vol.54, issue.3, pp.431-444, 2014.
DOI : 10.1016/j.molcel.2014.03.006

M. P. Egloff, D. Benarroch, B. Selisko, J. L. Romette, and B. Canard, An RNA cap (nucleoside-2'-O-)-methyltransferase in the flavivirus RNA polymerase NS5: crystal structure and functional characterization, The EMBO Journal, vol.21, issue.11, pp.2757-2768, 2002.
DOI : 10.1093/emboj/21.11.2757

M. Bouvet, C. Debarnot, I. Imbert, B. Selisko, E. J. Snijder et al., In Vitro Reconstitution of SARS-Coronavirus mRNA Cap Methylation, PLoS Pathogens, vol.235, issue.4, p.1000863, 2010.
DOI : 10.1371/journal.ppat.1000863.s002

J. Li, E. C. Fontaine-rodriguez, and S. P. Whelan, Amino Acid Residues within Conserved Domain VI of the Vesicular Stomatitis Virus Large Polymerase Protein Essential for mRNA Cap Methyltransferase Activity, Journal of Virology, vol.79, issue.21, pp.13373-13384, 2005.
DOI : 10.1128/JVI.79.21.13373-13384.2005

A. E. Hodel, P. D. Gershon, and F. A. Quiocho, Structural Basis for Sequence-Nonspecific Recognition of 5???-Capped mRNA by a Cap-Modifying Enzyme, Molecular Cell, vol.1, issue.3, pp.443-447, 1998.
DOI : 10.1016/S1097-2765(00)80044-1

M. G. Fischer, I. Kelly, L. J. Foster, and C. A. Suttle, The virion of Cafeteria roenbergensis virus (CroV) contains a complex suite of proteins for transcription and DNA repair, Virology, vol.466, issue.467, pp.466-467, 2014.
DOI : 10.1016/j.virol.2014.05.029

B. S. Schnierle, P. D. Gershon, and B. Moss, Cap-specific mRNA (nucleoside-O2'-)-methyltransferase and poly(A) polymerase stimulatory activities of vaccinia virus are mediated by a single protein., Proceedings of the National Academy of Sciences, vol.89, issue.7, pp.2897-2901, 1992.
DOI : 10.1073/pnas.89.7.2897

O. J. Kyrieleis, J. Chang, M. De-la-pena, S. Shuman, and S. Cusack, Crystal Structure of Vaccinia Virus mRNA Capping Enzyme Provides Insights into the Mechanism and Evolution of the Capping Apparatus, Structure, vol.22, issue.3, pp.452-465, 2014.
DOI : 10.1016/j.str.2013.12.014

H. Dong, D. C. Chang, M. H. Hua, S. P. Lim, Y. H. Chionh et al., 2???-O Methylation of Internal Adenosine by Flavivirus NS5 Methyltransferase, PLoS Pathogens, vol.286, issue.4, p.1002642, 2012.
DOI : 10.1371/journal.ppat.1002642.g007

Z. Yang, D. P. Bruno, C. A. Martens, S. F. Porcella, and B. Moss, Genome-Wide Analysis of the 5' and 3' Ends of Vaccinia Virus Early mRNAs Delineates Regulatory Sequences of Annotated and Anomalous Transcripts, Journal of Virology, vol.85, issue.12, pp.5897-5909, 2011.
DOI : 10.1128/JVI.00428-11

K. S. Wilson and P. H. Von-hippel, Transcription termination at intrinsic terminators: the role of the RNA hairpin., Proceedings of the National Academy of Sciences, vol.92, issue.19, pp.8793-8797, 1995.
DOI : 10.1073/pnas.92.19.8793

W. F. Marzluff, E. J. Wagner, and R. J. Duronio, Metabolism and regulation of canonical histone mRNAs: life without a poly(A) tail, Nature Reviews Genetics, vol.20, issue.11, pp.843-854, 2008.
DOI : 10.1038/nrg2438

N. Peart, A. Sataluri, D. Baillat, and E. J. Wagner, Non-mRNA 3??? end formation: how the other half lives, Wiley Interdisciplinary Reviews: RNA, vol.109, issue.5, pp.491-506, 2013.
DOI : 10.1002/wrna.1174

M. Legendre, J. Bartoli, L. Shmakova, S. Jeudy, K. Labadie et al., Thirty-thousand-year-old distant relative of giant icosahedral DNA viruses with a pandoravirus morphology, Proceedings of the National Academy of Sciences, vol.111, issue.11, pp.4274-4279, 2014.
DOI : 10.1073/pnas.1320670111

D. Walsh and I. Mohr, Viral subversion of the host protein synthesis machinery, Nature Reviews Microbiology, vol.10, issue.12, pp.860-875, 2011.
DOI : 10.1038/nrmicro2655