ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2006
Complex evolution of X and Y autosomal translocations in the giant mole-rat, Cryptomys mechowi (Bathyergidae).
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 27 citations in OpenAlex.
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- Integration of fluorescence in situ hybridization and chromosome-length genome assemblies revealed synteny map for guinea pig, naked mole-rat, and human.Scientific reports · 2023Article
- Meiotic behaviour of evolutionary sex-autosome translocations in Bovidae.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2016Article
- LINE-1 retrotransposons: from 'parasite' sequences to functional elements.Journal of applied genetics · 2015Article
- A First Generation Comparative Chromosome Map between Guinea Pig (Cavia porcellus) and Humans.PloS one · 2015Article
- Multiple sex chromosome systems in howler monkeys (Platyrrhini, Alouatta).Comparative cytogenetics · 2014Article
- Cryptic speciation and chromosomal repatterning in the South African climbing mice Dendromus (Rodentia, Nesomyidae).PloS one · 2014Article
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- The Y chromosome of the Okinawa spiny rat, Tokudaia muenninki, was rescued through fusion with an autosome.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Chromosomal evolution in Rodentia.Heredity · 2012Review
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- Multiple copies of SRY on the large Y chromosome of the Okinawa spiny rat, Tokudaia muenninki.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2010Article
- A unique late-replicating XY to autosome translocation in Peromyscus melanophrys.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2010Article
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- Chromosomal phylogeny and evolution of the African mole-rats (Bathyergidae).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2008Article
- Phylogenomic study of spiral-horned antelope by cross-species chromosome painting.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2008Article
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7 authors at 6 institutions in 3 countries.
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Abstract
Cross-species chromosome painting was used to determine homologous chromosomal regions between two species of mole-rat, the naked mole-rat, Heterocephalus glaber (2n = 60), and the giant mole-rat, Cryptomys mechowi (2n = 40), using flow-sorted painting probes representative of all but two of the H. glaber chromosomal complement. In total 43 homologous regions were identified in the C. mechowi genome. Eight H. glaber chromosomes are retained in toto in C. mechowi, and 13 produce two or more signals in this species. The most striking difference in the karyotypes of the two taxa concerns their sex chromosomes. The H. glaber painting probes identified a complex series of translocations that involved the fractionation of four autosomes and the subsequent translocation of segments to the sex chromosomes and to autosomal partners in the C. mechowi genome. An intercalary heterochromatic block (IHB) was detected in sex chromosomes of C. mechowi at the boundary with the translocated autosomal segment. We discuss the likely sequence of evolutionary events that has led to the contemporary composition of the C. mechowi sex chromosomes, and consider these in the light of prevailing views on the genesis of sex chromosomes in mammals.
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