Related Experiment Video
Updated: Jul 29, 2025

11:28
Dissecting Host-virus Interaction in Lytic Replication of a Model Herpesvirus
Published on: October 7, 2011
11.1K
The interplay between viral molecular mimicry and host chromatin dynamics
Shumin Xiao1,2, Yajing Wang1,2, Shan Shan1
1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.
Nucleus (Austin, Tex.)
|May 23, 2023
Summary
Viruses use molecular mimicry to control host cells, impacting chromatin dynamics. This review explores viral mimicry
Area of Science:
- Virology
- Epigenetics
- Molecular Biology
Background:
- Viruses utilize molecular mimicry to manipulate host cellular machinery.
- Histone mimicry is a known viral strategy, but other mimicry mechanisms affecting chromatin dynamics are less understood.
- The interplay between viral molecular mimicry and host chromatin regulation requires further investigation.
Purpose of the Study:
- To review recent advancements in histone mimicry.
- To explore the influence of viral molecular mimicry on chromatin dynamics.
- To discuss the role of viral mimicry in host chromatin regulation and its implications for antiviral strategies.
Main Methods:
- Literature review of recent studies on viral molecular mimicry and chromatin dynamics.
- Analysis of viral protein interactions with nucleosomes.
- Comparison of chromatin tethering mechanisms.
Main Results:
- Viruses employ diverse mimicry strategies beyond histone mimicry to alter chromatin.
- Viral proteins interact with nucleosomes through distinct mechanisms, influencing chromatin structure.
- Viral molecular mimicry plays a significant role in regulating host chromatin dynamics.
Conclusions:
- Viral molecular mimicry is a key factor in modulating host chromatin.
- Understanding these interactions offers insights into viral life cycles.
- This knowledge can guide the development of novel antiviral therapies targeting chromatin regulation.
Related Concept Videos
Spreading of Chromatin Modifications
8.3K
The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer...
Writers
The writer...
8.3K
Size and Structure of Viral Genomes
68
Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...
68
Duplication of Chromatin Structure
5.6K
The process of chromosome duplication during cell division requires genome-wide disruption and re-assembly of chromatin. The chromatin structure must be accurately inherited, reassembled, and maintained in the daughter cells to ensure lineage propagation.
The basic unit of the chromatin is the nucleosome, consisting of DNA wrapped around octameric histone proteins and short stretches of linker DNA separating individual nucleosomes. The histone proteins within the nucleosome have their...
The basic unit of the chromatin is the nucleosome, consisting of DNA wrapped around octameric histone proteins and short stretches of linker DNA separating individual nucleosomes. The histone proteins within the nucleosome have their...
5.6K
Viral Recombination
23.6K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
23.6K
Nucleosome Remodeling
9.2K
Nucleosomes are the basic units of chromatin compaction. Each nucleosome consists of the DNA bound tightly around a histone core, which makes the DNA inaccessible to DNA binding proteins such as DNA polymerase and RNA polymerase. Hence, the fundamental problem is to ensure access to DNA when appropriate, despite the compact and protective chromatin structure.
Nucleosome remodeling complex
Eukaryotic cells have specialized enzymes called ATP-dependent nucleosome remodeling enzymes. These enzymes...
Nucleosome remodeling complex
Eukaryotic cells have specialized enzymes called ATP-dependent nucleosome remodeling enzymes. These enzymes...
9.2K
Viruses with RNA Genomes
60
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
60

