ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2008
Physical map of two tammar wallaby chromosomes: a strategy for mapping in non-model mammals.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 64 citations in OpenAlex.
- Review
- Article
- Marsupial chromosome DNA content and genome size assessed from flow karyotypes: invariable low autosomal GC content.Royal Society open science · 2018Article
- Chromosome Evolution in Marsupials.Genes · 2018Review
- Identification of candidate genes for devil facial tumour disease tumourigenesis.Scientific reports · 2017Article
- Marsupials as models for understanding the role of chromosome rearrangements in evolution and disease.Chromosoma · 2016Review
- Article
- Marsupials and monotremes possess a novel family of MHC class I genes that is lost from the eutherian lineage.BMC genomics · 2015Article
- Paternal X inactivation does not correlate with X chromosome evolutionary strata in marsupials.BMC evolutionary biology · 2014Article
- Tracing the evolution of amniote chromosomes.Chromosoma · 2014Review
- Chromosome-wide profiling of X-chromosome inactivation and epigenetic states in fetal brain and placenta of the opossum, Monodelphis domestica.Genome research · 2014Article
- Comparative genome analyses reveal distinct structure in the saltwater crocodile MHC.PloS one · 2014Article
- Reconstruction of the ancestral marsupial karyotype from comparative gene maps.BMC evolutionary biology · 2013Article
- Gene expression and DNA methylation status of chicken primordial germ cells.Molecular biotechnology · 2013Article
- Article
- Deep ancestry of mammalian X chromosome revealed by comparison with the basal tetrapod Xenopus tropicalis.BMC genomics · 2012Article
- Evolution of vertebrate interferon inducible transmembrane proteins.BMC genomics · 2012Article
- Evolutionary history of novel genes on the tammar wallaby Y chromosome: Implications for sex chromosome evolution.Genome research · 2012Article
- A cross-species comparison of escape from X inactivation in Eutheria: implications for evolution of X chromosome inactivation.Chromosoma · 2012Article
- Genomic restructuring in the Tasmanian devil facial tumour: chromosome painting and gene mapping provide clues to evolution of a transmissible tumour.PLoS genetics · 2012Article
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Authors and funding
18 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Marsupials are especially valuable for comparative genomic studies of mammals. Two distantly related model marsupials have been sequenced: the South American opossum (Monodelphis domestica) and the tammar wallaby (Macropus eugenii), which last shared a common ancestor about 70 Mya. The six-fold opossum genome sequence has been assembled and assigned to chromosomes with the help of a cytogenetic map. A good cytogenetic map will be even more essential for assembly and anchoring of the two-fold wallaby genome. As a start to generating a physical map of gene locations on wallaby chromosomes, we focused on two chromosomes sharing homology with the human X, wallaby chromosomes X and 5. We devised an efficient strategy for mapping large conserved synteny blocks in non-model mammals, and applied this to generate dense maps of the X and 'neo-X' regions and to determine the arrangement of large conserved synteny blocks on chromosome 5. Comparisons between the wallaby and opossum chromosome maps revealed many rearrangements, highlighting the need for comparative gene mapping between South American and Australian marsupials. Frequent rearrangement of the X, along with the absence of a marsupial XIST gene, suggests that inactivation of the marsupial X chromosome does not depend on a whole-chromosome repression by a control locus.
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