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Abstract
Retinoic acid inducible gene I (RIG-I) and mitochondrial antiviral signaling (MAVS) proteins have recently been found to operate in a pathway for the detection and subsequent elimination of replicating viral genomes. Because of this innate immunity role, RIG-I and MAVS are candidates for studies of disease resistance. The objectives of this work were to (1) radiation hybrid (RH) map bovine RIG-I and MAVS and (2) perform comparative sequence analysis of partial genomic sequence from each gene. Using a bovine 5000rad RH panel, RIG-I was localized to BTA08 (LOD > 12) and MAVS was localized to BTA13 (LOD > 12). RIG-I exon 14 and partial MAVS exon five were sequenced in nine breeds and compared with available sequence from the Bovine Genome Project. RIG-I exon 14 and partial MAVS exon five were conserved in all samples examined. One T–A transversion SNP was found in intronic sequence downstream of RIG-I exon 14.
Acknowledgements
The authors wish to thank Jan Elliott and Elaine Owens for their technical assistance.