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Showing 1–5 of 5 results
Advanced filters: Author: Anthony K. Henras Clear advanced filters

  • The molecular events underlying the assembly and maturation of the early pre-60S particles during eukaryotic ribosome synthesis are not well understood. Here, the authors combine yeast genetics and biochemical experiments to characterise the functions of two important players of eukaryotic ribosome biogenesis, the box C/D snoRNP snR190 and the helicase Dbp7, which both interact. They show that the snR190 snoRNA acts as a RNA chaperone that assists the structuring of the 25S rRNA during the maturation of early pre-60S particles and that Dbp7 is important for facilitating remodeling events in the peptidyl transferase center region of the 25S rRNAs during the maturation of early pre-60S particles.

    • Mariam Jaafar
    • Julia Contreras
    • Anthony K. Henras
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-17

  • Early steps of large 60S ribosomal subunit biogenesis are not well understood. Here, the authors combine biochemical experiments with protein-RNA crosslinking and mass spectrometry to show that the RNA helicase Dbp7 is key player during early 60S ribosomal assembly. Dbp7 regulates a series of events driving compaction of domain V/VI in early pre60S ribosomal particles.

    • Gerald Ryan R. Aquino
    • Philipp Hackert
    • Markus T. Bohnsack
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-16

  • In an inter-laboratory study, the authors compare the accuracy and performance of three optical density calibration protocols (colloidal silica, serial dilution of silica microspheres, and colony-forming unit (CFU) assay). They demonstrate that serial dilution of silica microspheres is the best of these tested protocols, allowing precise and robust calibration that is easily assessed for quality control and can also evaluate the effective linear range of an instrument.

    • Jacob Beal
    • Natalie G. Farny
    • Jiajie Zhou
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-29