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Structural basis of the RNA-editing cascade in trypanosome mitochondria

Research Structural Biology

Merged summary

TL;DR - Cryo-electron microscopy reveals the architecture of the Trypanosoma brucei mitochondrial editosome. The structure clarifies how this molecular assembly edits mRNA by inserting and deleting uridine nucleotides.

  • Resolves the organization of the mitochondrial editosome.
  • Examines the cascade responsible for mitochondrial RNA editing.
  • Provides a structural basis for uridine insertion and deletion in mRNA.
  • Advances understanding of RNA maturation in trypanosome mitochondria.

Sources (1)

Structural basis of the RNA-editing cascade in trypanosome mitochondria

Nature Yun-Tao Liu, Andres F. Vacas, Jonathan Jih, Xiaojing Zhao, Clinton Yu, Jane K. J. Lee, Takuma Suematsu, Md Solayman, Hong Wang, Xiaorong Wang, Lan Huang, Liye Zhang, Inna Aphasizheva, Z. Hong Zhou, Ruslan Aphasizhev 2026-07-22 doi:10.1038/s41586-026-10831-x

TL;DR - Cryo-electron microscopy reveals the architecture of the Trypanosoma brucei mitochondrial editosome. The structure clarifies how this molecular assembly edits mRNA by inserting and deleting uridine nucleotides.

  • Resolves the organization of the mitochondrial editosome.
  • Examines the cascade responsible for mitochondrial RNA editing.
  • Provides a structural basis for uridine insertion and deletion in mRNA.
  • Advances understanding of RNA maturation in trypanosome mitochondria.
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