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Chromosomal evolution in Rodentia
Information drawn from conventional banding studies, recent comparative painting investigations and molecular phylogenetic reconstructions of different rodent taxa are integrated, allowing a revision of several ancestral karyotypic reconstructions, and a more accurate depiction of rodent chromosomal evolution.
Karyotype evolution and phylogenetic relationships of hamsters (Cricetidae, Muroidea, Rodentia) inferred from chromosomal painting and banding comparison
Based on results of chromosome painting and G-banding, comparative maps between 20 rodent species have been established and demonstrate a high level of karyotype conservation among species in the Cricetus group with Tscherskia as its sister group.
Sequencing of Supernumerary Chromosomes of Red Fox and Raccoon Dog Confirms a Non-Random Gene Acquisition by B Chromosomes
Comparison of gene ensembles in Bs of canids, ruminants, and rodents once again indicates enrichment with cell-cycle genes, development-related genes, and genes functioning in the neuron synapse, which may indicate importance of these genes for B chromosome establishment.
Chromosomal evolution of Arvicolinae (Cricetidae, Rodentia). III. Karyotype relationships of ten Microtus species
It is proposed that the ancestral Microtus species had a 2n = 54 karyotype, including two associations of field vole chromosomal segments (MAG 1/17 and 2/8) and further mapping of the chromosome rearrangements onto a molecular phylogenetic tree allows the reconstruction of a karyotypes evolution pathway in the MicroTus genus.
Reciprocal chromosome painting between three laboratory rodent species
Comparing the new multidirectional chromosome painting data presented here with previous comparative genomics data, it is proposed that syntenies to mouse Chrs 6 and 16 were both present and to hypothesize a diploid number of 2n = 48 for the ancestral Murinae/Cricetinae karyotype.
Tracking genome organization in rodents by Zoo-FISH
The results together with published data on the Sciuridae allow the formulation of a putative rodent ancestral karyotypes that is thought to comprise the following 26 human chromosomal segments and/or segmental associations, providing insights into the likely composition of the ancestral rodent karyotype and an improved understanding of placental genome evolution.
Segmental paleotetraploidy revealed in sterlet (Acipenser ruthenus) genome by chromosome painting
The sterlet genome represents a complex mosaic structure and consists of diploid and tetraploid chromosome segments and may be regarded as a transition stage from paleotetraploids (functional diPLoid) to diploids genome condition.
Chromosomal evolution of Arvicolinae (Cricetidae, Rodentia). II. The genome homology of two mole voles (genus Ellobius), the field vole and golden hamster revealed by comparative chromosome painting
Using cross-species chromosome painting, a comprehensive comparison of the karyotypes of two Ellobius species with unusual sex determination systems suggests that inversions have played a minor role in the genome evolution of these Ellobia species.
Reconstruction of karyotype evolution in core Glires. I. The genome homology revealed by comparative chromosome painting
It is suggested that Lagomorpha and Sciuridae should be considered as core Glires lineages, characterized by cytogenetically conserved karyotypes which contain chromosomal elements inherent to karyotype of common Glires ancestor.
Molecular cytogenetic characterization of the mouse cell line WMP2 by spectral karyotyping and multicolor banding applying murine probes.
Spectral karyotyping (SKY) combined with new established mouse specific multicolor banding (mcb) probes for the chromosomes X, 3, 4, 6 and 18 revealed that the WMP2 cell line developed further four derivative chromosomes.