Related Experiment Video
Updated: Aug 3, 2026

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1
Published on: April 8, 2009
Immune-defense molecules of molluscum contagiosum virus, a human poxvirus
1Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-0445, USA. bmoss@nih.gov
Abstract:
Molluscum contagiosum virus encodes more than 150 proteins including some involved in host interactions that might contribute to prolonged viral replication in the skin. These include homologs of a selenocysteine-containing glutathione peroxidase, a death effector domain protein, a chemokine, a major histocompatibility complex class I molecule and an interleukin-18-binding protein.
Insights
Molluscum contagiosum virus has over 150 proteins that help it replicate in skin. Some proteins interact with hosts, potentially prolonging infection duration.
Area of Science:
- Virology
- Immunology
- Molecular Biology
Background:
- Molluscum contagiosum virus (MCV) causes skin infections.
- MCV encodes over 150 proteins, with some potentially influencing host interactions.
Purpose of the Study:
- To identify MCV proteins involved in host interactions.
- To understand how these proteins contribute to viral replication and persistence.
Main Methods:
- Bioinformatic analysis of the MCV proteome.
- Identification of viral protein homologs with known functions in host-pathogen interactions.
Main Results:
- MCV encodes homologs of selenocysteine-containing glutathione peroxidase, a death effector domain protein, a chemokine, a major histocompatibility complex class I molecule, and an interleukin-18-binding protein.
- These proteins are implicated in modulating host immune responses and cellular processes.
Conclusions:
- MCV utilizes a diverse set of proteins to interact with the host.
- These interactions likely play a significant role in the virus's ability to establish and maintain chronic skin infections.
Related Concept Videos
Cell-mediated Immune Responses
Defense Mechanism Against Infection
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
Antigens Involved in Adaptive Immunity
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Smallpox
Chickenpox

