ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2004
Mapping the distribution of the telomeric sequence (T2AG3)n in the 2n = 14 ancestral marsupial complement and in the macropodines (Marsupialia: Macropodidae) by fluorescence in situ hybridization.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 30 citations in OpenAlex.
- Karyotypic characterization of Centromochlus schultzi Rössel 1962 (Auchenipteridae, Centromochlinae) from the Xingu River basin: New inferences on chromosomal evolution in Centromochlus.Genetics and molecular biology · 2024Article
- Telomere organization and the interstitial telomeric sites involvement in insects and vertebrates chromosome evolution.Genetics and molecular biology · 2022Article
- Karyotype variability in six Amazonian species of the family Curimatidae (Characiformes) revealed by repetitive sequence mapping.Genetics and molecular biology · 2022Article
- Comparison of the heterochromatin and telomeric sequences distribuition in chromosomes of 11 species of Amazonian marsupials (Didelphimorphia; Didelphidae).Genetics and molecular biology · 2020Article
- Extensive genomic reshuffling involved in the karyotype evolution of genus Cerradomys (Rodentia: Sigmodontinae: Oryzomyini).Genetics and molecular biology · 2020Article
- The methylation and telomere landscape in two families of marsupials with different rates of chromosome evolution.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2018Article
- The ancestral chromosomes of Dromiciops gliroides (Microbiotheridae), and its bearings on the karyotypic evolution of American marsupials.Molecular cytogenetics · 2016Article
- Extensive spreading of interstitial telomeric sites on the chromosomes of Characidium (Teleostei, Characiformes).Genetica · 2015Article
- Differential amplification of satellite PaB6 in chromosomally hypervariable Prospero autumnale complex (Hyacinthaceae).Annals of botany · 2014Article
- Patterns of rDNA and telomeric sequences diversification: contribution to repetitive DNA organization in Phyllostomidae bats.Genetica · 2014Article
- Reconstruction of the ancestral marsupial karyotype from comparative gene maps.BMC evolutionary biology · 2013Article
- Review
- Extreme telomere length dimorphism in the Tasmanian devil and related marsupials suggests parental control of telomere length.PloS one · 2012Article
- American marsupials chromosomes: Why study them?Genetics and molecular biology · 2009Article
- Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In this study we test the theory that the presence of the conserved vertebrate telomeric sequence (T(2)AG(3))(n) at the centromeres of Australian marsupial 2n = 14 complements is evidence that these karyotypes are recently derived, which is contrary to the generally held view that the 2n = 14 karyotype is ancestral for Australasian and American marsupials. Here we compare the distribution of the (T(2)AG(3))( n ) sequence and constitutive heterochromatin in the presumed ancestral 2n = 14 complement and in complements with known rearrangements. We found that where there were moderate to large amounts of constitutive heterochromatin, the distribution of the (T(2)AG(3))(n) sequence reflected its presence as a native component of satellite DNA rather than its involvement in past rearrangements. The presence of centromeric heterochromatin in all Australian 2n = 14 complements therefore suggests that centromeric sites of the (T(2)AG(3))(n) sequence do not represent evidence for recent rearrangements.
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