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Author

Jun Liu

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Open access Sep 2026

In Situ Multiscale Imaging Reveals Cellular Selection and Remodeling of Peptide Assemblies from Membrane Perturbation to Actin Dysregulation

Enzyme-responsive peptide nanomaterials can induce non-apoptotic cancer cell death, yet the supramolecular states that mediate activity in cellular environments are usually inferred rather than directly resolved. Here, we integrate multiscale in situ imaging with biochemical assays to map distinct assembly states of th...

Jia-Qi Guo, Ayisha Zia, Wang-Biao Guo et al. · 0 citations
Open access Sep 2026

Sequential assembly in vivo of the bacteriophage P22 genome translocation channel

Bacteriophage P22 ejects four internal proteins into infected cells to assemble a channel for genome translocation across the cell envelope. However, how these proteins cooperate to build the trans-envelope channel remains enigmatic. Using in situ single-particle cryogenic electron microscopy, we determined near-atomic...

Hua-Xin Yu, Jian Yue, Taehyun Park et al. · 0 citations
Open access Sep 2026

MinD-like ATPase FlhG synchronizes flagellation and cell division in spirochetes

ABSTRACT Spirochetes are evolutionarily distinct bacteria defined by their spiral morphology, unique means of motility, and periplasmic flagella (PFs). Because these flagella reside within the periplasm and are mechanically integrated with the cell body, their assembly must be precisely coordinated with cell growth and...

Kai Zhang, Wang-Biao Guo, Michael J. Lynch et al. · 0 citations
Open access Sep 2026

The pod components of the Shigella T3SS sorting platform accommodate multiple copies of Spa33 (SctQ)

AlphaFold is used to generate a model of the upper portion of the Shigella pod complex in which two copies of the SctQ protein, Spa33, bind the adaptor protein MxiK, with each copy of Spa33 bound to an alternately translated SPOA2-SPOA2 domain, albeit in a manner that places the protein components slightly closer to th...

Sean K. Whittier, Shoichi Tachiyama, Samira Heydari et al. · 0 citations
Open access Jul 2026

Near-atomic in situ architecture and membrane-coupled dynamics of the Vibrio cholerae sheathed flagellum

In-situ near-atomic structures of the sheathed flagellar motor within intact cells are determined, revealing how the distinctive architecture and dynamics of the sheathed flagellum support V. cholerae motility, environmental survival, and persistent colonization of the human gut.

Wang-Biao Guo, Jian Yue, Jin Hwan Park et al. · 1 citation
#protein folding Aug 2026

The human papillomavirus L2 protein in the capsid is an ensemble of related structures poised to exit the virus particle

A structural model of L2 within the capsid is developed using cryo-EM single particle analysis of HPV16 pseudovirus capsids with and without the L2 protein combined with AlphaFold3 predictions and molecular dynamics simulations to develop a structural basis for understanding how L2 is organized in the capsid poised to...

Changin Oh, Huaxin Yu, Patrick M. Buckley et al. · 0 citations

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