ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2004
X chromosome painting in Microtus: origin and evolution of the giant sex chromosomes.
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 26 papers.
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26 citing papers in PubMed.
- Non-homologous sequence interactions during meiosis: meiotic challenges and evolutionary opportunities.Current opinion in genetics & development · 2025Review
- Heteromorphic ZZ/ZW sex chromosomes sharing gene content with mammalian XX/XY are conserved in Madagascan chameleons of the genus Furcifer.Scientific reports · 2024Article
- Giant Sex Chromosomes inInsects · 2023Article
- Molecular Composition of Heterochromatin and Its Contribution to Chromosome Variation in theGenes · 2021Article
- Karyotype Evolution and Genomic Organization of Repetitive DNAs in the Saffron Finch,Animals : an open access journal from MDPI · 2021Article
- Sex chromosome evolution in frogs-helpful insights from chromosome painting in the genus Engystomops.Heredity · 2021Article
- Glacial cycles drive rapid divergence of cryptic field vole species.Ecology and evolution · 2019Article
- DNA replication dynamics of vole genome and its epigenetic regulation.Epigenetics & chromatin · 2019Article
- A combined banding method that allows the reliable identification of chromosomes as well as differentiation of AT- and GC-rich heterochromatin.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2018Article
- Relationship Between Sequence Homology, Genome Architecture, and Meiotic Behavior of the Sex Chromosomes in North American Voles.Genetics · 2018Article
- Structural and Evolutionary Relationships in the Giant Sex Chromosomes of Three Microtus Species.Genes · 2018Article
- Evolution of Karyotypes in Chameleons.Genes · 2017Article
- Highly conserved Z and molecularly diverged W chromosomes in the fish genus Triportheus (Characiformes, Triportheidae).Heredity · 2017Article
- Epigenetic modifications in sex heterochromatin of vole rodents.Chromosoma · 2015Article
- Microdissection and painting of the Y chromosome in spinach (Spinacia oleracea).Journal of plant research · 2013Article
- Chromosome painting of Z and W sex chromosomes in Characidium (Characiformes, Crenuchidae).Genetica · 2013Article
- Multiple independent evolutionary losses of XY pairing at meiosis in the grey voles.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Rapid, independent, and extensive amplification of telomeric repeats in pericentromeric regions in karyotypes of arvicoline rodents.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2011Article
- Cross-species chromosome painting tracks the independent origin of multiple sex chromosomes in two cofamiliar Erythrinidae fishes.BMC evolutionary biology · 2011Article
- Comparative chromosome mapping of the rRNA genes and telomeric repeats in three Italian pine voles of the Microtus savii s.l. complex (Rodentia, Cricetidae).Comparative cytogenetics · 2011Article
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7 authors.
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Abstract
Sex chromosomes in species of the genus Microtus present some characteristic features that make them a very interesting group to study sex chromosome composition and evolution. M. cabrerae and M. agrestis have enlarged sex chromosomes (known as 'giant sex chromosomes') due to the presence of large heterochromatic blocks. By chromosome microdissection, we have generated probes from the X chromosome of both species and hybridized on chromosomes from six Microtus and one Arvicola species. Our results demonstrated that euchromatic regions of X chromosomes in Microtus are highly conserved, as occurs in other mammalian groups. The sex chromosomes heterochromatic blocks are probably originated by fast amplification of different sequences, each with an independent origin and evolution in each species. For this reason, the sex heterochromatin in Microtus species is highly heterogeneous within species (with different composition for the Y and X heterochromatic regions in M. cabrerae) and between species (as the composition of M. agrestis and M. cabrerae sex heterochromatin is different). In addition, the X chromosome painting results on autosomes of several species suggest that, during karyotypic evolution of the genus Microtus, some rearrangements have probably occurred between sex chromosomes and autosomes.
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