Article3 Biotech2022
Demographic pattern of A1/A2 beta casein variants indicates conservation of A2 type haplotype across native cattle breeds (
Article in 3 Biotech, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 8 citations in OpenAlex.
- β-Casein Polymorphism in Serbian Holstein-Friesian and Busha Cattle and Its Association with Milk Production Traits.Animals : an open access journal from MDPI · 2026Article
- Genetic Diversity of the Beta-Casein Gene in Brown Swiss and Creole Cattle From the Peruvian Highlands.Animal genetics · 2026Article
- β-Casein A1 and A2 Genetic Variants and β-Casomorphin-7 in Raw Milk and Processed Milk Products.International journal of molecular sciences · 2025Article
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13 authors at 3 institutions in 1 country.
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Abstract
Genetic variations of the beta casein gene hold importance because of their probable association with human health. Comparative sequence analysis of β-casein gene across Indian native, crossbred and exotic breeds in India revealed 15 SNPs and 4 INDELs corresponding to 14 haplotypes. The frequency of A2 type haplotype was maximum (0.941) across all Indian native breeds. Among the 15 variants reported for taurine breeds, only three (A1, A2 and B) were observed in analysed populations. Allelic profiling of A1/A2 β-casein variants in ~ 4000 animals belonging to three cattle types and breeding bulls also revealed the predominance of A2 allele (0.95) in Indian cattle. The high proportion of A2 allele/haplotype indicates that Indian native cattle are the best suited to meet the demands for A2 milk globally. However, a higher percentage of heterozygous genotype (A1A2) in breeding bulls warrants the need to screen sire lines so as to drift the herd towards A2. Supplementary Information: The online version contains supplementary material available at 10.1007/s13205-022-03232-0.
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