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A high-resolution radiation hybrid map of the river buffalo major histocompatibility complex and comparison with BoLA
(2013-08-01)
The major histocompatibility complex (MHC) in mammals codes for antigen-presenting proteins. For this reason, the MHC is of great importance for immune function and animal health. Previous studies revealed this gene-dense ...
A radiation hybrid map of river buffalo (Bubalus bubalis) chromosome 7 and comparative mapping to the cattle and human genomes
(Karger, 2007-01-01)
A preliminary radiation hybrid (RH) map containing 50 loci on chromosome 7 of the domestic river buffalo Bubalus bubalis (BBU; 2n = 50) was constructed based on a comparative mapping approach. The RH map of BBU7 includes ...
Mapping five repetitive DNA classes in sympatric species of Hypostomus (Teleostei: Siluriformes: Loricariidae): analysis of chromosomal variability
(2013-02-19)
Fish belonging to the genus Hypostomus are known for exhibiting a striking diversity in its karyotype structure, however the knowledge concerning the distribution patterns of heterochromatin and location of repetitive DNA ...
Evolutionary dynamics of rRNA gene clusters in cichlid fish
(Biomed Central Ltd., 2012-10-05)
Background: Among multigene families, ribosomal RNA (rRNA) genes are the most frequently studied and have been explored as cytogenetic markers to study the evolutionary history of karyotypes among animals and plants. In ...
Comparative FISH mapping of Daucus species (Apiaceae family)
(Springer, 2011-05)
The cytogenetic characterization of the carrot genome (Daucus carota L., 2n = 18) has been limited so far, partly because of its somatic chromosome morphology and scant of chromosome markers. Here, we integrate the carrot ...
First description of the karyotype and localization of major and minor ribosomal genes in Rhoadsia altipinna Fowler, 1911 (Characiformes, Characidae from Ecuador)
(2015)
Karyotypic fearures of Rhoadsia altipinna Fowler, 1911 from Ecuador were investigated by examining meraphase chromosornes rhrough Gicmsa staining, C-banding, Ag-NOR, and rwo-color-fluorescence in situ hybridization (FISH) ...
Particular Chromosomal Distribution of Microsatellites in Five Species of the Genus Gymnotus (Teleostei, Gymnotiformes)
(Mary Ann Liebert, Inc, 2018-08-01)
Microsatellites show great abundance in eukaryotic genomes, although distinct chromosomal distribution patterns might be observed, from small dispersed signals to strong clustered motifs. In Neotropical fishes, the chromosome ...
The relevance of chromosome fissions for major ribosomal DNA dispersion in hymenopteran insects
(2021-09-01)
Ribosomal DNA (rDNA) loci are essential for cellular metabolism due to their participation in ribosome biogenesis. Although these genes have been widely cytogenetically mapped, the evolutionary mechanisms behind their ...