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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

The bovine 5' AMPK gene family: mapping and single nucleotide polymorphism detection.

The 5'-AMP-activated protein kinase ( AMPK) family is an ancient stress response system whose primary function is regulation of cellular ATP. Activation of AMPK, which is instigated by environmental and nutritional stresses, initiates energy-conserving measures that protect the cell by inhibition and phosphorylation of key enzymes in energy-consuming biochemical pathways. The seven genes that comprise the bovine AMPK family were mapped in cattle by using a radiation hybrid panel. The seven genes mapped to six different cattle chromosomes, each with a LOD score greater than 10. 0. PRKAA1 mapped to BTA 20, PRKAA2 and PRKAB2 to BTA 3, PRKAB1 to BTA 17, PRKAG1 to BTA 5, PRKAG2 to BTA 4, and PRKAG3 to BTA 2. Five of the seven genes mapped to regions expected from human/cattle comparative maps. PRKAB2 and PRKAG3, however, have not been mapped in humans. We predict these genes to be located on HSA 1 and 2, respectively. Additionally, one synonymous and one non-synonymous single nucleotide polymorphism (SNP) were detected in PRKAG3 in Bos taurus cattle. In an effort to determine ancestral origins, various herds of mixed breed cattle as well as other ruminant species were characterized for sequence variation in this region of PRKAG3. Owing to the physiological importance of this gene family, we believe that its individual genes are candidate genes for conferring resistance to diseases in cattle.[1]


  1. The bovine 5' AMPK gene family: mapping and single nucleotide polymorphism detection. McKay, S.D., White, S.N., Kata, S.R., Loan, R., Womack, J.E. Mamm. Genome (2003) [Pubmed]
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