ArticlePloS one2011
Serine phosphoacceptor sites within the core protein of hepatitis B virus contribute to genome replication pleiotropically.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed.
- The HBV variant CpF97L supports the secretion of pgRNA-containing virions at a level much greater than WT HBV.Journal of virology · 2025Article
- HBV polymerase recruits the phosphatase PP1 to dephosphorylate HBc-Ser170 to complete encapsidation.PLoS pathogens · 2025Article
- HBc: the multifunctional architect of HBV replication, immune evasion, and therapeutic innovation.Frontiers in immunology · 2025Review
- Identification of Host Proteins Involved in Hepatitis B Virus Genome Packaging.Journal of proteome research · 2024Article
- Significance of hepatitis B virus capsid dephosphorylation via polymerase.Journal of biomedical science · 2024Article
- SRPK2 Mediates HBV Core Protein Phosphorylation and Capsid Assembly via Docking Interaction.PLoS pathogens · 2024Article
- Serine-arginine protein kinases and their targets in viral infection and their inhibition.Cellular and molecular life sciences : CMLS · 2023Review
- Article
- Peptidyl-prolyl cis/trans isomerase Pin1 interacts with hepatitis B virus core particle, but not with HBc protein, to promote HBV replication.Frontiers in cellular and infection microbiology · 2023Article
- Region-Specific Hepatitis B Virus Genome Exposure from Nucleocapsid Modulated by Capsid Linker Sequence and Inhibitor: Implications for Uncoating.Journal of virology · 2022Article
- The Hepatitis B Virus Nucleocapsid-Dynamic Compartment for Infectious Virus Production and New Antiviral Target.Biomedicines · 2021Review
- Regulation of Hepatitis B Virus Replication by Cyclin Docking Motifs in Core Protein.Journal of virology · 2021Article
- Multiple roles of PP2A binding motif in hepatitis B virus core linker and PP2A in regulating core phosphorylation state and viral replication.PLoS pathogens · 2021Article
- Targeting the multifunctional HBV core protein as a potential cure for chronic hepatitis B.Antiviral research · 2020Review
- Modulation of hepatitis B virus pregenomic RNA stability and splicing by histone deacetylase 5 enhances viral biosynthesis.PLoS pathogens · 2020Article
- Protein phosphatase 1 catalyzes HBV core protein dephosphorylation and is co-packaged with viral pregenomic RNA into nucleocapsids.PLoS pathogens · 2020Article
- Human papillomavirus type 16 infection activates the host serine arginine protein kinase 1 (SRPK1) - splicing factor axis.The Journal of general virology · 2020Article
- Role of Hepatitis B virus capsid phosphorylation in nucleocapsid disassembly and covalently closed circular DNA formation.PLoS pathogens · 2020Article
- Hepatitis B virus core protein phosphorylation: Identification of the SRPK1 target sites and impact of their occupancy on RNA binding and capsid structure.PLoS pathogens · 2018Article
- Common and Distinct Capsid and Surface Protein Requirements for Secretion of Complete and Genome-Free Hepatitis B Virions.Journal of virology · 2018Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
The core protein of hepatitis B virus can be phosphorylated at serines 155, 162, and 170. The contribution of these serine residues to DNA synthesis was investigated. Core protein mutants were generated in which each serine was replaced with either alanine or aspartate. Aspartates can mimic constitutively phosphorylated serines while alanines can mimic constitutively dephosphorylated serines. The ability of these mutants to carry out each step of DNA synthesis was determined. Alanine substitutions decreased the efficiency of minus-strand DNA elongation, primer translocation, circularization, and plus-strand DNA elongation. Aspartate substitutions also reduced the efficiency of these steps, but the magnitude of the reduction was less. Our findings suggest that phosphorylated serines are required for multiple steps during DNA synthesis. It has been proposed that generation of mature DNA requires serine dephosphorylation. Our results suggest that completion of rcDNA synthesis requires phosphorylated serines.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.