Detection of mitochondrial DNA from domestic cattle in bison on Santa Catalina Island
2007
Vogel, A.B. | Tenggardjaja, K. | Edmands, S. | Halbert, N.D. | Derr, J.N. | Hedgecock, D.
In 1924, 14 American bison (Bison bison) were introduced to Santa Catalina Island, California and sporadically supplemented thereafter with additional animals. To reduce the herd and its impact on native vegetation, over 2000 animals have been exported during the past four decades. Today, the herd is estimated to contain around 250 individuals. Genetic analysis was performed on 98 animals removed from the island in 2004. Forty-four samples (45%) had domestic cattle mitochondrial DNA (mtDNA), 12 (12%) had previously reported bison haplotypes and 42 (43%) had a new haplotype differing by one base pair from a previously reported bison haplotype. A complement of five restriction enzymes was found to be useful in identifying bison with domestic cattle mtDNA.
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