Physical mapping of SOD1 to bovine chromosome 1

Abstract
Superoxide dismutase 1 (SOD1) was mapped to cattle chromosome 1q12→q14 by in situ methods. Both traditional in situ hybridization using tritium and a new technique, direct in-situ single copy PCR (DISC-PCR), were used in two separate laboratories. Both human and bovine SOD1 clones were tritium labeled for radioactive in situ hybridization. A primer pair based on the bovine SOD1 gene (Barendse et al., 1994b) was used for the DISC-PCR procedure. The map location of SOD1 is close to collagen 6A1. SOD1 is a potentially important type 1 anchor locus in the region where the gene for horns in cattle was recently mapped (Georges et al., 1993; Schmutz et al., 1995).

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