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Evaluation of a Universal Nested Reverse Transcription Polymerase Chain Reaction for the Detection of Lyssaviruses
Published on: May 2, 2019
Sequence comparison of pigeon circoviruses
D Todd1, E Fringuelli, A N J Scott
1Veterinary Sciences Division, Agri-Food and Biosciences Institute, Stormont, Belfast, UK. Daniel.Todd@afbini.gov.uk
Research in Veterinary Science
|May 12, 2007
Summary
Genome sequencing of pigeon circoviruses (PiCV) revealed high sequence identity, aiding in the development of diagnostic PCR primers. Genetic variations in capsid proteins are crucial for future vaccine design against PiCV.
Area of Science:
- Veterinary Virology
- Molecular Biology
- Genomics
Background:
- Pigeon circoviruses (PiCV) are significant pathogens affecting avian health.
- Understanding PiCV genetic diversity is crucial for disease control and prevention.
Purpose of the Study:
- To determine and compare the genome sequences of multiple PiCV isolates.
- To identify conserved and variable regions within the PiCV genome for diagnostic and vaccine development.
Main Methods:
- Genome sequencing of eight PiCV isolates.
- Comparative genomic analysis with four existing PiCV sequences.
- Analysis of nucleotide and amino acid identities for Rep and Cap proteins.
Main Results:
- 12 PiCV genomes (2032-2040 nucleotides) showed similar organization.
- Genome-wide nucleotide identities ranged from 85.1% to 97.8%.
- Amino acid identities for Rep (91.5-99.1%) and Cap (73.0-99.3%) proteins were determined.
Conclusions:
- Conserved regions in the Rep gene and 3' intergenic regions are suitable for developing diagnostic PCR primers.
- Variable amino acid sequences in capsid proteins offer targets for future PiCV vaccine development.
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