Nuclear pores dilate and constrict in cellulo

…, V Rantos, SK Goetz, A Obarska-Kosinska, I Zagoriy… - Science, 2021 - science.org
INTRODUCTION The nucleus harbors and protects the genetic information in eukaryotes. It
is surrounded by the nuclear envelope, which separates the nucleoplasm from the cytosol. …

[HTML][HTML] A modular platform for automated cryo-FIB workflows

S Klumpe, HKH Fung, SK Goetz, I Zagoriy, B Hampoelz… - Elife, 2021 - ncbi.nlm.nih.gov
Lamella micromachining by focused ion beam milling at cryogenic temperature (cryo-FIB) has
matured into a preparation method widely used for cellular cryo-electron tomography. Due …

[HTML][HTML] Genetically encoded multimeric tags for subcellular protein localization in cryo-EM

HKH Fung, Y Hayashi, VT Salo, A Babenko, I Zagoriy… - Nature …, 2023 - nature.com
Cryo-electron tomography (cryo-ET) allows for label-free high-resolution imaging of
macromolecular assemblies in their native cellular context. However, the localization of …

Tailoring cryo-electron microscopy grids by photo-micropatterning for in-cell structural studies

M Toro-Nahuelpan, I Zagoriy, F Senger, L Blanchoin… - Nature …, 2020 - nature.com
Spatially controlled cell adhesion on electron microscopy supports remains a bottleneck in
specimen preparation for cellular cryo-electron tomography. Here, we describe contactless …

[HTML][HTML] Meiotic prophase requires proteolysis of M phase regulators mediated by the meiosis-specific APC/CAma1

…, A Bogdanova, PK Vinod, JJ Lipp, Z Markova, I Zagoriy… - Cell, 2012 - cell.com
Whereas proliferating cells enter M phase shortly after DNA replication, the first M phase of
meiosis is preceded by an extended prophase in which homologous chromosomes undergo …

[PDF][PDF] Casein kinase 1 coordinates cohesin cleavage, gametogenesis, and exit from M phase in meiosis II

O Argüello-Miranda, I Zagoriy, V Mengoli, J Rojas… - Developmental cell, 2017 - cell.com
Meiosis consists of DNA replication followed by two consecutive nuclear divisions and
gametogenesis or spore formation. While meiosis I has been studied extensively, less is known …

Molecular mechanism of glutaminase activation through filamentation and the role of filaments in mitophagy protection

…, MM Dias, JEN Quesñay, Z Yang, I Zagoriy… - Nature Structural & …, 2023 - nature.com
Glutaminase (GLS), which deaminates glutamine to form glutamate, is a mitochondrial
tetrameric protein complex. Although inorganic phosphate (Pi) is known to promote GLS …

[PDF][PDF] Molecular mechanisms of stress-induced reactivation in mumps virus condensates

X Zhang, S Sridharan, I Zagoriy, CE Oegema, C Ching… - Cell, 2023 - cell.com
Negative-stranded RNA viruses can establish long-term persistent infection in the form of
large intracellular inclusions in the human host and cause chronic diseases. Here, we uncover …

Transport‐Limited Growth of Coccolith Crystals

EM Avrahami, Z Eyal, N Varsano, I Zagoriy… - Advanced …, 2024 - Wiley Online Library
Biogenic crystals present a variety of complex morphologies that form with exquisite fidelity.
In the case of the intricate morphologies of coccoliths, calcite crystals produced by marine …

Deprotection of centromeric cohesin at meiosis II requires APC/C activity but not kinetochore tension

…, M Lamb, LM Lister, C Lodge, J Rojas, I Zagoriy… - The EMBO …, 2021 - embopress.org
Genome haploidization involves sequential loss of cohesin from chromosome arms and
centromeres during two meiotic divisions. At centromeres, cohesin's Rec8 subunit is protected …