Journal article
Satellite DNA sequences in the red kangaroo (Macropus rufus)
Australian Journal of Biological Sciences, Vol.35(3), pp.313-325
1982
Abstract
There is a complex pattern of satellite DNA sequences in M. rufus which are revealed by addition of Ag+ or dye (Hoechst 33258) to the DNA ink Cs2SO4 or CsCl equilibrium density gradients. Six satellite DNA fractions have been isolated; these have buoyant densities in neutral CsCl of 1.692, 1.704, 1.705, 1.707 (two), 1.710 and 1.712 g/ml compared with 1.696 g/ml for the main band DNA. Each satellite accounts for 1-3% of the DNA of the genome. The satellites are located in the centromeric heterochromatin of the chromosomes, in the nucleolar organizer region and in interstitial bands on some of the autosomes, each satellite having a unique distribution. Nucleic acid hybridization showed that six of the satellite sequences are also present in the genomes of the wallaroo and the red-necked wallaby, with sequence divergences of only 1-2% relative to the sequences in the red kangaroo.
Details
- Title
- Satellite DNA sequences in the red kangaroo (Macropus rufus)
- Authors
- Abigail Elizur (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationE S Dennis (Author)W J Peacock (Author)
- Publication details
- Australian Journal of Biological Sciences, Vol.35(3), pp.313-325
- Publisher
- C S I R O Publishing
- Date published
- 1982
- DOI
- 10.1071/BI9820313
- ISSN
- 0004-9417
- Organisation Unit
- University of the Sunshine Coast, Queensland; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449111802621
- Output Type
- Journal article
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