OMIA:002033-89462 : Casein, beta in Bubalus bubalis (water buffalo)

In other species: taurine cattle , indicine cattle (zebu) , goat

Categories: Endocrine / exocrine gland phene (incl mammary gland)

Links to possible relevant human trait(s) and/or gene(s) in OMIM: 115460 (gene)

Mendelian trait/disorder: yes

Considered a defect: no

Key variant known: no

Cross-species summary: Phene was renamed from 'A2 milk' to Casein beta [18/2/2023]

Species-specific description: de Oliveira et al. (2021): "A total of 657 buffaloes of four different breeds were genotyped and all animals carried the A2A2 genotype, i.e., allele A1 does not exist in the buffalo species."

Associated gene:

Symbol Description Species Chr Location OMIA gene details page Other Links
CSN2 casein beta Bubalus bubalis 7 NC_059163.1 (32009924..32018835) CSN2 Homologene, Ensembl , NCBI gene

Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2021). OMIA:002033-89462: Online Mendelian Inheritance in Animals (OMIA) [dataset].


Note: the references are listed in reverse chronological order (from the most recent year to the earliest year), and alphabetically by first author within a year.

2023 Khan, K., Suhail, S.M., Khan, R., Ahmed, I., Khan, F.A., Khan, M.J. :
Genetic polymorphism of Β-casein gene and its association with milk production and composition in Azi-Kheli buffalo. Trop Anim Health Prod 55:94, 2023. Pubmed reference: 36809577. DOI: 10.1007/s11250-023-03511-9.
2021 de Oliveira, L.S.M., Alves, J.S., Bastos, M.S., da Cruz, V.A.R., Pinto, L.F.B., Tonhati, H., Costa, R.B., de Camargo, G.M.F. :
Water buffaloes (Bubalus bubalis) only have A2A2 genotype for beta-casein. Trop Anim Health Prod 53:145, 2021. Pubmed reference: 33511501. DOI: 10.1007/s11250-021-02591-9.

Edit History

  • Created by Imke Tammen2 on 11 Feb 2021
  • Changed by Imke Tammen2 on 11 Feb 2021