Abstract
“Would it be possible to analyze molecular mechanisms and structural organisation of polyribosome assemblies using cryo electron tomography?” – we asked through a longstanding collaboration between my research group and that of Alexander S. Spirin. Indeed, it was: we found that double-row polyribosomes can have both circular and linear arrangements of their mRNA [Afonina, Z. A., et al. (2013) Biochemistry (Moscow)], we figured out how eukaryotic ribosomes assemble on an mRNA to form supramolecular left-handed helices [Myasnikov, A. G., et al. (2014) Nat. Commun.], that the circularization of polyribosomes is poly-A and cap-independent [Afonina, Z. A., et al. (2014) Nucleic Acids Res.], and that intermediary polyribosomes with open structures exist after a transition from a juvenile phase to strongly translating polysomes of medium size [Afonina, Z. A., et al. (2015) Nucleic Acids Res.] until they form densely packed helical structures with reduced activity. Our joint fruitful exchanges, hence, led to major advances in the field, which are reviewed here from a personal and historical perspective in memory of Alexander S. Spirin.
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Abbreviations
- cryo-EM:
-
cryo electron microcopy
- cryo-ET:
-
cryo electron tomography
References
Warner, J. R., Rich, A., and Hall, C. E. (1962) Electron microscope studies of ribosomal clusters synthesizing hemoglobin, Science, 138, 1399-1403, https://doi.org/10.1126/science.138.3548.1399.
Warner, J. R., Knopf, P. M., and Rich, A. (1963) A multiple ribosomal structure in protein synthesis, Proc. Natl. Acad. Sci. USA, 49, 122-129, https://doi.org/10.1073/pnas.49.1.122.
Wooding, F. B. (1968) Ribosome helices in mature cells, J. Ultrastruct. Res., 24, 157-164, https://doi.org/10.1016/S0022-5320(68)80025-5.
Kopeina, G. S., Afonina, Zh. A., Gromova, K. V., Shirokov, V. A., Vasiliev, V. D., and Spirin, A. S. (2008) Step-wise formation of eukaryotic double-row polyribosomes and circular translation of polysomal mRNA, Nucleic Acids Res., 36, 2476-2488, https://doi.org/10.1093/nar/gkm1177.
Medalia, O., Weber, I., Frangakis, A. S., Nicastro, D., Gerisch, G., Baumeister, W. (2002) Macromolecular architecture in eukaryotic cells visualized by cryoelectron tomography, Science, 298, 1209-1213, https://doi.org/10.1126/science.1076184.
Spirin, A. S., Baranov, V. I., Ryabova, L. A., Ovodov, S., Alakhov, Y. B. (1988) A continuous cell-free translation system capable of producing polypeptides in high yield, Science, 242, 1162-1164, https://doi.org/10.1126/science.3055301.
Shirokov, V. A., Kommer, A. A., Kolb, V. A., and Spirin, A. S. (2007) Continuous-exchange protein-synthesizing systems, in Methods in Molecular Biology, In vitro Transcription and Translation Protocols (Grandi, G., ed.) Humana Press Inc., Totowa, NJ, 375, pp. 19-55, https://doi.org/10.1007/978-1-59745-388-2_2.
Myasnikov, A. G., Afonina, Z., and Klaholz, B. P. (2013) Single particle and molecular assembly analysis of polyribosomes by single- and double-tilt cryo electron tomography, Ultramicroscopy, 126, 33-39, https://doi.org/10.1016/j.ultramic.2012.12.009.
Afonina, Z. A., Myasnikov, A. G., Khabibullina, N. F., Belorusova, A. Yu., Ménétret, J.-F., et al. (2013) Topology of mRNA chain in isolated eukaryotic double-row polyribosomes, Biochemistry (Moscow), 78, 445-454, https://doi.org/10.1134/S0006297913050027.
Myasnikov, A. G., Afonina, Z. A., Ménétret, J.-F., Shirokov, V. A., Spirin, A. S., and Klaholz, B. P. (2014) The molecular structure of the left-handed supra-molecular helix of eukaryotic polyribosomes, Nat. Commun., 5, 5294, https://doi.org/10.1038/ncomms6294.
Orlov, I., Myasnikov, A. G., Andronov, L., Natchiar, S. K., Khatter, H., et al. (2017) The integrative role of cryo electron microscopy in molecular and cellular structural biology, Biol. Cell, 109, 81-93, https://doi.org/10.1111/boc.201600042.
Afonina, Z. A., Myasnikov, A. G., Shirokov, V. A., Klaholz, B. P., Spirin, A. S. (2014) Formation of circular polyribosomes on eukaryotic mRNA without cap-structure and poly(A)-tail: a cryo electron tomography study, Nucleic Acids Res., 42, 9461-9469, https://doi.org/10.1093/nar/gku599.
Afonina, Z. A., Myasnikov, A. G., Shirokov, V. A., Klaholz, B. P., and Spirin, A. S. (2015) Conformation transitions of eukaryotic polyribosomes during multi-round translation, Nucleic Acids Res., 43, 618-628, https://doi.org/10.1093/nar/gku1270.
Ortiz, J. O., Förster, F., Kürner, J., Linaroudis, A. A., and Baumeister, W. (2006) Mapping 70S ribosomes in intact cells by cryo electron tomography and pattern recognition, J. Struct. Biol., 156, 334-341, https://doi.org/10.1016/j.jsb.2006.04.014.
Brandt, F., Carlson, L. A., Hartl, F. U., Baumeister, W., Grünewald, K. (2010) The three-dimensional organization of polyribosomes in intact human cells, Mol. Cell, 39, 560-569, https://doi.org/10.1016/j.molcel.2010.08.003.
Brandt, F., Etchells, S. A., Ortiz, J. O., Elcock, A. H., Hartl, U., and Baumeister, W. (2009) The native 3D organization of bacterial polysomes, Cell, 136, 261-271, https://doi.org/10.1016/j.cell.2008.11.016.
Simonetti, A., Marzi, S., Myasnikov, A. G., Ménétret, J.-F., and Klaholz, B. P. (2011) Insights into translation initiation and termination complexes and into the polysome architecture, in Ribosomes (Rodnina, M. V., Wintermeyer, W., and Green, R., eds.) Springer, Vienna, https://doi.org/10.1007/978-3-7091-0215-2_10.
Ménétret, J.-F., Khatter, H., Simonetti, A., Orlov, I., Myasnikov, A. G., et al. (2013) Integrative structure–function analysis of large nucleoprotein complexes, in RNA Structure and Folding (Klostermeier, D., and Hammann, C., eds.), https://doi.org/10.1515/9783110284959.
Klaholz, B. P. (2019) Deriving and refining atomic models in crystallography and cryo-EM: the latest Phenix tools to facilitate structure analysis, Acta Cryst., D75, 878-881, https://doi.org/10.1107/S2059798319013391.
Tegunov, D., Xue, L., Dienemann, C., Cramer, P., and Mahamid, J. (2021) Multi-particle cryo-EM refinement with M visualizes ribosome-antibiotic complex at 3.5 Å in cells, Nat. Methods, 18, 186-193, https://doi.org/10.1038/s41592-020-01054-7.
Funding
I thank past and present members of my research group at CBI/IGBMC for dedicated research and members of the integrated structural biology platform at the CBI/IGBMC for support. I acknowledge support by Centre National pour la Recherche Scientifique (CNRS), Institut National pour la Recherche Médicale (Inserm), Association pour la Recherche sur le Cancer (ARC), Institut National du Cancer (INCa), the Fondation pour la Recherche Médicale (FRM), Ligue nationale contre le cancer (Ligue), Agence National pour la Recherche (ANR), and USIAS of the University of Strasbourg (USIAS-2018-012). The electron microscope facility was supported by the Région Grand Est and by the French Infrastructure for Integrated Structural Biology (FRISBI) and Instruct-ERIC.
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Klaholz, B.P. Studying the Structural Organization of Polyribosomes with Alexander S. Spirin. Biochemistry Moscow 86, 1053–1059 (2021). https://doi.org/10.1134/S0006297921090030
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DOI: https://doi.org/10.1134/S0006297921090030