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Nuclear entry and e...
Nuclear entry and egress of parvoviruses
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Mattola, S. (författare)
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Aho, V. (författare)
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- Bustamante-Jaramillo, Luisa F. (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Pizzioli, Edoardo (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Kann, Michael (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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Vihinen-Ranta, M. (författare)
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(creator_code:org_t)
- 2022-08-24
- 2022
- Engelska.
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Ingår i: Molecular Microbiology. - : Wiley. - 0950-382X .- 1365-2958. ; 118:4, s. 295-308
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Parvoviruses are small non-enveloped single-stranded DNA viruses, which depend on host cell nuclear transcriptional and replication machinery. After endosomal exposure of nuclear localization sequence and a phospholipase A(2) domain on the capsid surface, and escape into the cytosol, parvovirus capsids enter the nucleus. Due to the small capsid diameter of 18-26 nm, intact capsids can potentially pass into the nucleus through nuclear pore complexes (NPCs). This might be facilitated by active nuclear import, but capsids may also follow an alternative entry pathway that includes activation of mitotic factors and local transient disruption of the nuclear envelope. The nuclear entry is followed by currently undefined events of viral genome uncoating. After genome release, viral replication compartments are initiated and infection proceeds. Parvoviral genomes replicate during cellular S phase followed by nuclear capsid assembly during virus-induced S/G2 cell cycle arrest. Nuclear egress of capsids occurs upon nuclear envelope degradation during apoptosis and cell lysis. An alternative pathway for nuclear export has been described using active transport through the NPC mediated by the chromosome region maintenance 1 protein, CRM1, which is enhanced by phosphorylation of the N-terminal domain of VP2. However, other alternative but not yet uncharacterized nuclear export pathways cannot be excluded.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- import and export
- nuclear envelope
- nuclear pore complexes
- nucleus
- parvoviruses
- adenoassociated virus type-2
- export factor crm1
- induced cell-death
- minute-virus
- canine parvovirus
- nucleocytoplasmic transport
- intracellular trafficking
- capsid protein
- pore complex
- DNA-damage
- Biochemistry & Molecular Biology
- Microbiology
Publikations- och innehållstyp
- ref (ämneskategori)
- for (ämneskategori)
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