A SspI PCR-RFLP detecting a silent allele at the goat CSN2 locus

Gianfranco Cosenza; Alfredo Pauciullo; Daniela Gallo; Dino Di Berardino; Luigi Ramunno

doi:10.1017/S0022029905001342

Abstract

The goat calcium-sensitive caseins (αs1, β and αs2) represent, over many years, an excellent model for demonstrating that the major part of the variability observed in the content of these proteins in goat milk is mostly due to the presence of autosomal alleles at single structural loci (CSN1S1, CSN2 and CSN1S2 respectively) clustered on a 200 kb segment of chromosome 6; furthermore, CSN1S1 and CSN2 are convergently transcribed and are only 12 kb apart (Rijnkels, 2002).

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A SspI PCR-RFLP detecting a silent allele at the goat CSN2 locus

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A SspI PCR-RFLP detecting a silent allele at the goat CSN2 locus

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