Articles | Volume 63, issue 2
Arch. Anim. Breed., 63, 345–354, 2020
https://doi.org/10.5194/aab-63-345-2020
Arch. Anim. Breed., 63, 345–354, 2020
https://doi.org/10.5194/aab-63-345-2020

Original study 18 Sep 2020

Original study | 18 Sep 2020

Polymorphism and molecular characteristics of the CSN1S2 gene in river and swamp buffalo

Xinyang Fan et al.

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Cited articles

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Aleandri, R., Buttazzoni, L. G., Schneider, J. C., Caroli, A., and Davoli, R.: The effects of milk protein polymorphisms on milk components and cheese-producing ability, J. Dairy Sci., 73, 241–255, https://doi.org/10.3168/jds.S0022-0302(90)78667-5, 1990. 
Bandelt, H. J., Forster, P., and Röhl, A.: Median-joining networks for inferring intraspecific phylogenies, Mol. Biol. Evol., 16, 37–48, https://doi.org/10.1093/oxfordjournals.molbev.a026036, 1999. 
Basilicata, M. G., Pepe, G., Sommella, E., Ostacolo, C., Manfra, M., Sosto, G., Pagano, G., Novellino, E., and Campiglia, P.: Peptidome profiles and bioactivity elucidation of buffalo-milk dairy products after gastrointestinal digestion, Food Res. Int., 105, 1003–1010, https://doi.org/10.1016/j.foodres.2017.12.038, 2017. 
Boettcher, P. J., Caroli, A., Stella, A., Chessa, S., Budelli, E., Canavesi, F., Ghi-roldi, S., and Pagnacco, G.: Effects of casein haplotypes on milk production traits in Italian Holstein and Brown Swiss cattle, J. Dairy Sci., 87, 4311–4317, https://doi.org/10.3168/jds.s0022-0302(04)73576-6, 2004, 
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The αS2 casein (αS2-CN) is an important component in milk, but the variation of buffalo CSN1S2 and its corresponding variants are not clear. In this study, 13 single nucleotide polymorphisms were identified in CSN1S2 by DNA sequencing. Based on them, 11 αS2-CN variants were inferred and named. There are eight amino acid differences between buffalo and cattle in the sequences of αS2-CN variants. The results provide insights into the variation, characteristics and function of buffalo CSN1S2.