ArticleInternational journal of molecular sciences2024
Structures of Mature and Urea-Treated Empty Bacteriophage T5: Insights into Siphophage Infection and DNA Ejection.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Cryo-EM structure of bacteriophage Nocturne116: insights into the architecture of c2-likeJournal of virology · 2026Article
- Article
- Intact architectures of myophage phi92 in extended and contracted states.PLoS pathogens · 2026Article
- A dramatic protein fold switch powers a bactericidal nanomachine.bioRxiv : the preprint server for biology · 2026Article
- Structure of a Brochothrix thermosphacta bacteriophage reveals cell wall adsorption mechanism in Gram-positive infecting siphophages.Nature communications · 2026Article
- Structure of defense against restriction proteins DarA and Hdf in phage P1 reveals a new molecular mechanism during phage assembly, infection and DNA ejection.PLoS pathogens · 2026Article
- Cryo-EM and cryo-ET reveal the molecular architecture and host interactions of mycobacteriophage Douge.Cell reports · 2025Article
- Global structural survey of the flagellotropic myophage φTE infecting agricultural pathogen Pectobacterium atrosepticum.Nature communications · 2025Article
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7 authors.
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Abstract
T5 is a siphophage that has been extensively studied by structural and biochemical methods. However, the complete in situ structures of T5 before and after DNA ejection remain unknown. In this study, we used cryo-electron microscopy (cryo-EM) to determine the structures of mature T5 (a laboratory-adapted, fiberless T5 mutant) and urea-treated empty T5 (lacking the tip complex) at near-atomic resolutions. Atomic models of the head, connector complex, tail tube, and tail tip were built for mature T5, and atomic models of the connector complex, comprising the portal protein pb7, adaptor protein p144, and tail terminator protein p142, were built for urea-treated empty T5. Our findings revealed that the aforementioned proteins did not undergo global conformational changes before and after DNA ejection, indicating that these structural features were conserved among most myophages and siphophages. The present study elucidates the underlying mechanisms of siphophage infection and DNA ejection.
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