Snapshots of native pre-50S ribosomes reveal a biogenesis factor network and evolutionary specialization

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2021
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Hilal, Tarek
Qin, Bo
Schwefel, David
Vieira-Vieira, Carlos H.
Mielke, Thorsten
Bürger, Jörg
Spahn, Christian M.T.
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Molecular Cell. Elsevier. 2021, 81(6), pp. 1200-1215.e9. ISSN 1097-2765. eISSN 1097-4164. Available under: doi: 10.1016/j.molcel.2021.02.006
Zusammenfassung

Ribosome biogenesis is a fundamental multi-step cellular process that culminates in the formation of ribosomal subunits, whose production and modification are regulated by numerous biogenesis factors. In this study, we analyze physiologic prokaryotic ribosome biogenesis by isolating bona fide pre-50S subunits from an Escherichia coli strain with the biogenesis factor ObgE, affinity tagged at its native gene locus. Our integrative structural approach reveals a network of interacting biogenesis factors consisting of YjgA, RluD, RsfS, and ObgE on the immature pre-50S subunit. In addition, our study provides mechanistic insight into how the GTPase ObgE, in concert with other biogenesis factors, facilitates the maturation of the 50S functional core and reveals both conserved and divergent evolutionary features of ribosome biogenesis between prokaryotes and eukaryotes.

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570 Biowissenschaften, Biologie
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ribosome, ribosome assembly, ribosome biogenesis, 50S subunit, ObgE, RluD, RsfS, YjgA, cryo-electron microscopy, structure
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ISO 690NIKOLAY, Rainer, Tarek HILAL, Sabine SCHMIDT, Bo QIN, David SCHWEFEL, Carlos H. VIEIRA-VIEIRA, Thorsten MIELKE, Jörg BÜRGER, Elke DEUERLING, Christian M.T. SPAHN, 2021. Snapshots of native pre-50S ribosomes reveal a biogenesis factor network and evolutionary specialization. In: Molecular Cell. Elsevier. 2021, 81(6), pp. 1200-1215.e9. ISSN 1097-2765. eISSN 1097-4164. Available under: doi: 10.1016/j.molcel.2021.02.006
BibTex
@article{Nikolay2021Snaps-53811,
  year={2021},
  doi={10.1016/j.molcel.2021.02.006},
  title={Snapshots of native pre-50S ribosomes reveal a biogenesis factor network and evolutionary specialization},
  number={6},
  volume={81},
  issn={1097-2765},
  journal={Molecular Cell},
  pages={1200--1215.e9},
  author={Nikolay, Rainer and Hilal, Tarek and Schmidt, Sabine and Qin, Bo and Schwefel, David and Vieira-Vieira, Carlos H. and Mielke, Thorsten and Bürger, Jörg and Deuerling, Elke and Spahn, Christian M.T.}
}
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