A Possible Structure for Calf Satellite DNA I

Abstract

Calf satellite DNA I (ρ = 1.715 s been hydrolysed by a number of restriction endonucleases. It consists of a repeating unit of 1460 nucleotide pairs within which the sites of Eco R II, Mbo I, Sac I, Alu I, Ava II and Hha I were localised in comparison with those of Eco R I and Hind II. The distribution of the Hpa II, Sac I, Hha I, Hinf I and Mbo II sites within calf satellite DNA I, as well as that of several restriction endonuclease sites within calf satellite DNA III (ρ = 1.705) allowed me to define subsatellite fractions. Furthermore, some of the sites of the CpG containing restriction enzymes Hpa II and Hha I are lacking. The possible implications of these results are discussed. © Information Retrieval Limited.