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Endogenous retroviruses: still active after all these years?
1National Institute for Medical Research, The Ridgeway, Mill Hill, London NW7 1AA, UK. jstoye@nimr.mrc.ac.uk
Current Biology : CB
|November 24, 2001
Summary
Remnant retroviruses, known as endogenous retroviruses, are integrated into vertebrate DNA. Some human retroelements may still be mobile despite widespread mutations.
Area of Science:
- Genomics
- Molecular Biology
- Virology
Background:
- Vertebrate genomes contain numerous proviral sequences from ancient retroviral infections.
- These endogenous retroviruses (ERVs) are typically considered non-functional due to accumulated mutations.
Discussion:
- Investigates the potential for recent retroviral activity within the human genome.
- Focuses on a specific family of human retroelements that may retain mobility.
- Examines the implications of potentially active endogenous retroelements.
Key Insights:
- Despite widespread inactivation, certain human retroelements might still be capable of transposition.
- This challenges the long-held assumption of complete dormancy for all endogenous retroviruses.
Outlook:
- Further research is needed to confirm the mobility and functional impact of these retroelements.
- Understanding active ERVs could reveal novel insights into genome evolution and disease.