doi: 10.1007/BF01175184.
Segmental amplification in a satellite DNA: restriction enzyme analysis of the major satellite of Macropus rufogriseus
- PMID: 6156808
- DOI: 10.1007/BF01175184
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Segmental amplification in a satellite DNA: restriction enzyme analysis of the major satellite of Macropus rufogriseus
Chromosoma.
1980.
Abstract
The 1.708 g/cc satellite DNA of the red necked wallaby is shown to consist of a number of related families of sequences arranged in tandem arrays. Particular families are subpopulations of other families; their distribution supports a model of successive amplification events during the generation of the satellite. In each amplification episode one 2,500 bp unit is multiplied into a tandemly repeated array of that unit (segmental amplification). The 1.708 g/cc sequences can be detected in related kangaroo species in much reduced amount, and with changes to the long order periodicity of the repeat units.
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