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Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
Complete nucleotide sequence and evolutionary analysis of a gorilla foamy virus
Andrea Schulze1, Philippe Lemey, Jörg Schubert
1Institute of Virology and Immunobiology, University of Würzburg, Germany.
The Journal of General Virology
|November 26, 2010
Summary
We sequenced the gorilla simian foamy virus (SFVgor), revealing conserved protein motifs and supporting virus-host co-divergence. This primate foamy virus (FV) research aids understanding of retroviral evolution.
Area of Science:
- Virology
- Evolutionary Biology
- Genomics
Background:
- Primate foamy viruses (FV) are retroviruses with complex evolutionary histories.
- Understanding FV evolution provides insights into host-pathogen interactions and viral adaptation.
- Gorilla simian foamy virus (SFVgor) represents a key lineage for comparative genomic studies.
Purpose of the Study:
- To elucidate the evolutionary path of primate foamy viruses.
- To determine the complete nucleotide sequence of SFVgor.
- To analyze the phylogenetic relationship of SFVgor within the FV family.
Main Methods:
- Cloning of the SFVgor genome into plasmid vectors from a conserved integrase (IN) gene region.
- Nucleotide sequencing of the viral genome, including the 5' and 3' long terminal repeats (LTRs).
- Phylogenetic analysis of Gag, Pol, and Env amino acid sequences.
Main Results:
- The complete nucleotide sequence of SFVgor was elucidated.
- All protein motifs conserved across primate FVs were identified in SFVgor.
- Phylogenetic analyses indicated that SFVgor clusters consistently with a virus-host co-divergence model.
Conclusions:
- The genetic data of SFVgor supports a long-standing co-evolutionary relationship between gorillas and their foamy viruses.
- This study contributes to a deeper understanding of simian foamy virus evolution and primate speciation.
- The findings highlight the utility of genomic sequencing in tracing viral origins and host-pathogen dynamics.
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