Isolation and characterization of the Bos taurus beta-casein gene - PubMed (original) (raw)

Comparative Study

. 1988 Jun 15;66(1):87-96.

doi: 10.1016/0378-1119(88)90227-2.

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Comparative Study

Isolation and characterization of the Bos taurus beta-casein gene

S I Gorodetsky et al. Gene. 1988.

Abstract

The expression of casein genes in the mammary cells is regulated by peptide and steroid hormones. To investigate the controlling mechanisms we have isolated and characterized the bovine beta-casein gene. The gene has the size of 8.6 kb, which is 7.8 times longer than the corresponding mRNA composed of nine exons. The genomic clones include additional 8.5-kb and 4.5-kb sequences of the 5'- and 3'-flanking regions. We have determined the sequences of the 5' and 3' ends of the gene and compared them with the respective sequences of the rat beta-casein gene. Conserved sequences are identical or homologous to the potential binding sites for nuclear factors and for glucocorticoid and progesterone receptors. The regulatory region contains two different TATA signals and a repeat sequence between them.

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