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Host and Viral Factors Involved in Nuclear Egress of Herpes Simplex Virus 1 [PDF]

Viruses, 2021
Herpes simplex virus 1 (HSV-1) replicates its genome and packages it into capsids within the nucleus. HSV-1 has evolved a complex mechanism of nuclear egress whereby nascent capsids bud on the inner nuclear membrane to form perinuclear virions that ...
Jun Arii
doaj   +2 more sources

Structural Basis for Capsid Recruitment and Coat Formation during HSV-1 Nuclear Egress

Proceedings, 2020
During herpesvirus infection, nascent viral capsids egress the nucleus into the cytoplasm by an unusual mechanism whereby capsids bud at the inner nuclear membrane.
Elizabeth Draganova, Jiayan Zhang, Hong Zhou, Ekaterina Heldwein   +3 more
doaj   +4 more sources

Role of Vesicle-Associated Membrane Protein-Associated Proteins (VAP) A and VAPB in Nuclear Egress of the Alphaherpesvirus Pseudorabies Virus

Viruses, 2021
The molecular mechanism affecting translocation of newly synthesized herpesvirus nucleocapsids from the nucleus into the cytoplasm is still not fully understood.
Anna D. Dorsch, Julia E. Hölper, Kati Franzke, Luca M. Zaeck, Thomas C. Mettenleiter, Barbara G. Klupp   +5 more
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‘Come together’—The Regulatory Interaction of Herpesviral Nuclear Egress Proteins Comprises Both Essential and Accessory Functions

Cells, 2022
Herpesviral nuclear egress is a fine-tuned regulatory process that defines the nucleocytoplasmic release of viral capsids. Nuclear capsids are unable to traverse via nuclear pores due to the fact of their large size; therefore, herpesviruses evolved to ...
Sigrun Häge, Manfred Marschall
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The Herpes Simplex Virus Protein pUL31 Escorts Nucleocapsids to Sites of Nuclear Egress, a Process Coordinated by Its N-Terminal Domain. [PDF]

PLoS Pathogens, 2015
Progeny capsids of herpesviruses leave the nucleus by budding through the nuclear envelope. Two viral proteins, the membrane protein pUL34 and the nucleo-phosphoprotein pUL31 form the nuclear egress complex that is required for capsid egress out of the ...
Christina Funk, Melanie Ott, Verena Raschbichler, Claus-Henning Nagel, Anne Binz, Beate Sodeik, Rudolf Bauerfeind, Susanne M Bailer   +7 more
doaj   +1 more source

Nuclear envelope budding and its cellular functions

Nucleus, 2023
The nuclear pore complex (NPC) has long been assumed to be the sole route across the nuclear envelope, and under normal homeostatic conditions it is indeed the main mechanism of nucleo-cytoplasmic transport.
Katharina S. Keuenhof, Verena Kohler, Filomena Broeskamp, Dimitra Panagaki, Sean D. Speese, Sabrina Büttner, Johanna L. Höög   +6 more
doaj   +1 more source

Phenotypical Characterization of the Nuclear Egress of Recombinant Cytomegaloviruses Reveals Defective Replication upon ORF-UL50 Deletion but Not pUL50 Phosphosite Mutation

Viruses, 2021
Nuclear egress is a common herpesviral process regulating nucleocytoplasmic capsid release. For human cytomegalovirus (HCMV), the nuclear egress complex (NEC) is determined by the pUL50-pUL53 core that regulates multicomponent assembly with NEC ...
Sigrun Häge, Eric Sonntag, Adriana Svrlanska, Eva Maria Borst, Anne-Charlotte Stilp, Deborah Horsch, Regina Müller, Barbara Kropff, Jens Milbradt, Thomas Stamminger, Ursula Schlötzer-Schrehardt, Manfred Marschall   +11 more
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Nuclear Egress Complexes of HCMV and Other Herpesviruses: Solving the Puzzle of Sequence Coevolution, Conserved Structures and Subfamily-Spanning Binding Properties

Viruses, 2020
Herpesviruses uniquely express two essential nuclear egress-regulating proteins forming a heterodimeric nuclear egress complex (core NEC). These core NECs serve as hexameric lattice-structured platforms for capsid docking and recruit viral and cellular ...
Manfred Marschall, Sigrun Häge, Marcus Conrad, Sewar Alkhashrom, Jintawee Kicuntod, Johannes Schweininger, Mark Kriegel, Josephine Lösing, Julia Tillmanns, Frank Neipel, Jutta Eichler, Yves A. Muller, Heinrich Sticht   +12 more
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Conquering the Nuclear Envelope Barriers by EBV Lytic Replication

Viruses, 2021
The nuclear envelope (NE) of eukaryotic cells has a highly structural architecture, comprising double lipid-bilayer membranes, nuclear pore complexes, and an underlying nuclear lamina network.
Chung-Pei Lee, Mei-Ru Chen
doaj   +1 more source

Vesicular Nucleo-Cytoplasmic Transport—Herpesviruses as Pioneers in Cell Biology

Viruses, 2016
Herpesviruses use a vesicle-mediated transfer of intranuclearly assembled nucleocapsids through the nuclear envelope (NE) for final maturation in the cytoplasm.
Thomas C. Mettenleiter
doaj   +1 more source