http://www.cnr.it/ontology/cnr/individuo/prodotto/ID175837
Short communication: Predominance of β-casein (CSN2) C allele in goat breeds reared in Italy (Articolo in rivista)
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- Label
- Short communication: Predominance of β-casein (CSN2) C allele in goat breeds reared in Italy (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
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- Stefania Chessa; Elena Budelli; Francesca Chiatti; Anna Maria Cito; Patrizia Bolla; Anna Caroli (literal)
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- Stefania Chessa, Francesca Chiatti, Patrizia Bolla - Dipartimento di Scienze e Tecnologie Veterinarie Per la Sicurezza Alimentare, Università degli Studi di Milano, 20134 Milano, Italy;
Elena Budelli - Fondazione Parco Tecnologico Padano, Centro Ricerche e Studi Agroalimentari, 20090 Segrate (Milano), Italy;
Anna Maria Cito, Anna Caroli - Dipartimento di Sanità e Benessere Animale, Università di Bari, 70010 Valenzano (Bari), Italy (literal)
- Titolo
- Short communication: Predominance of β-casein (CSN2) C allele in goat breeds reared in Italy (literal)
- Abstract
- A protocol for the rapid and simultaneous genotyping of A, C, and 0' CSN2 alleles in goat was developed by single strand conformational polymorphism polymerase chain reaction (SSCP-PCR) technique. Screening the CSN2 variability in 7 goat breeds reared in Italy validated the genotyping test. The SSCP-PCR technique was also suitable for monitoring CSN2 polymorphism. In particular, the discrimination between CSN2*A and CSN2*C is important because the 2 corresponding protein variants cannot be separated by standard typing techniques. The monitoring of CSN2 variability in the goat breeds indicates the predominance of the C allele. In most breeds, CSN2*C occurred with the highest frequency, except in Saanen where CSN2*A and CSN2*C showed similar frequencies. Variant CSN2*C occurred with a frequency of 0.68 (Camosciata), 0.70 (Jonica), 0.71 (Garganica), 0.82 (Maltese), 0.87 (Cilentana), and 0.97 (Orobica). The alignment among the mature CSN2 sequences of different species suggests that CSN2*A is the ancestral allele compared with CSN2*C. Interestingly, the CSN2*A goat variant showed higher frequencies in selected breeds (Saanen and Camosciata). (literal)
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