ArticleNature communications2024
Cryo-EM structures of Thogoto virus polymerase reveal unique RNA transcription and replication mechanisms among orthomyxoviruses.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Article
- Molnupiravir inhibits Bourbon virus infection and disease-associated pathology in mice.Journal of virology · 2025Article
- The structure of the mammalian bornavirus polymerase complex.Nature communications · 2025Article
- Cryo-EM structures of Nipah virus polymerase complex reveal highly varied interactions between L and P proteins among paramyxoviruses.Protein & cell · 2025Article
- ANP32 proteins from ticks and vertebrates are key host factors for replication of Bourbon virus across species.Journal of virology · 2025Article
- Structural insights into the RNA-dependent RNA polymerase complexes from highly pathogenic Marburg and Ebola viruses.Nature communications · 2025Article
- Article
- Article
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Authors and funding
16 authors.
Funding
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Abstract
Influenza viruses and thogotoviruses account for most recognized orthomyxoviruses. Thogotoviruses, exemplified by Thogoto virus (THOV), are capable of infecting humans using ticks as vectors. THOV transcribes mRNA without the extraneous 5' end sequences derived from cap-snatching in influenza virus mRNA. Here, we report cryo-EM structures to characterize THOV polymerase RNA synthesis initiation and elongation. The structures demonstrate that THOV RNA transcription and replication are able to start with short dinucleotide primers and that the polymerase cap-snatching machinery is likely non-functional. Triggered by RNA synthesis, asymmetric THOV polymerase dimers can form without the involvement of host factors. We confirm that, distinctive from influenza viruses, THOV-polymerase RNA synthesis is weakly dependent of the host factors ANP32A/B/E in human cells. This study demonstrates varied mechanisms in RNA synthesis and host factor utilization among orthomyxoviruses, providing insights into the mechanisms behind thogotoviruses' broad-infectivity range.
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