A New AS-PCR Method to Detect Allele, Genotyping at Ca-Sensitive Caseins and Milk Traits Association Studies in Autochthonous Lazio Goats

Overview

Journal Animals (Basel)

Date 2023 Jan 21

PMID 36670778

Authors

Gianfranco Cosenza

Sara Albarella

Emanuele DAnza

Alessandra Iannuzzi

Maria Selvaggi

Mariagiulia Pugliano

Tiziana Galli

Giorgio Saralli

Francesca Ciotola

Vincenzo Peretti

Affiliations

Soon will be listed here.

Abstract

Calcium-sensitive caseins are the main protein component of milk. In the goat, they are encoded by three genes (CSN1S1, CSN2, and CSN1S2) located on chromosome 6. A high number of alleles has been discovered for these genes in the goat species, responsible for changes in the milk’s qualitative and quantitative characteristics. This study aimed to develop an Allele-Specific PCR (AS-PCR), which allowed us to unequivocally detect goat carriers of the CSN201 allele. Subsequently, the calcium-sensitive casein loci genotype was investigated in three native goat breeds of the Lazio Region (Bianca Monticellana, Capestrina, and Ciociara Grigia). No individuals were carriers of the CSN1S101, CSN1S1E, CSN201, CSN1S2D, and CSN1S20 alleles, while a high frequency of the alleles CSN1S1F and CSN1S1A*,B* was observed. Association analyses between the different genotypes at the CSN1S1 locus and some milk traits, namely the fat and protein yielded and the fat, protein, solids-not-fat, and casein percentages without an effect on the milk yield, were observed.

Citing Articles

A Comprehensive Analysis of I and II Transcripts Reveals Significant Genetic Diversity and Allele-Specific Exon Skipping in Ragusana and Amiatina Donkeys.

Cosenza G, Pauciullo A Animals (Basel). 2024; 14(20).

PMID: 39457849 PMC: 11503821. DOI: 10.3390/ani14202918.

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