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Persistent hantavirus infections: characteristics and mechanisms
1Virology Divn, US Army Medical Research Institute of Infectious Diseases, 1301 Ditto Avenue, Fort Detrick, MD 21702-5011, USA.
Trends in Microbiology
|February 9, 2000
Summary
Hantaviruses cause serious disease but persist in hosts with minimal cell damage. Subtle viral genome changes may alter replication, enabling this persistent infection.
Area of Science:
- Virology
- Infectious Diseases
- Molecular Biology
Background:
- Hantaviruses are significant human pathogens.
- They establish persistent infections in rodents and mammalian cells with low cytopathology.
- Mechanisms underlying hantavirus persistence are not well understood.
Purpose of the Study:
- To explore the mechanisms of hantavirus persistence.
- To investigate how hantaviruses maintain long-term infections in hosts.
Main Methods:
- Analysis of viral genome.
- Investigation of replication regulation.
Main Results:
- Subtle alterations in the hantavirus genome are observed.
- These genomic changes may lead to differential regulation of viral replication.
Conclusions:
- Differential regulation of replication due to genomic changes is a potential mechanism for hantavirus persistence.
- Further research is needed to fully elucidate hantavirus persistence strategies.