Abstract
Abstract Chromosomal evolution in the tribe Cercopithecini and in related taxa is highly debated. Uncertainty in reconstruction is mainly related to the great genetic variability and polymorphism of the taxa. Recent molecular and karyological efforts individuate a split between genetically conservative, arbitrarily defined, “terrestrial” guenons and vervets, and genetically variable and derived “arboreal” guenons. We performed the mapping of WS loci probe (7q11.23) in order to verify the chromosomal dynamics of the genomes of three tree-dwelling species of the tribe: C. neglectus, C. mitis mitis, C. albogularis labiatus. Data from literature for the “ground-dwelling” Chlorocebus aethiops sabaeus has been compared with our results. The distribution of the WS probe showed a high genomic dynamics in the different species, with three different pattern of rearrangements. Starting from the ancestral synteny 7 found in Pongo pygmaeus (PPY), the present mapping demonstrates different location of the hybridization...
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