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- Title
X Chromosome Introgression and Recombination in the cephus Group of Cercopithecus Monkeys.
- Authors
Tosi, Anthony J.; Hirai, Hirohisa
- Abstract
A representative of Cercopithecus erythrotis was surveyed at a 9.3-kb region of the X chromosome. The data were compared against homologous sequences of closely related Cercopithecus monkeys including C. cephus, a species recently shown to have 2 polymorphic X-chromosomal lineages. Direct sequence comparisons and subsequent phylogenetic analyses revealed that synapomorphies in the first 4.3 kb cluster C. erythrotis with one C. cephus lineage, while synapomorphies in the latter 5.0 kb join it with the second C. cephus lineage. This pattern very likely reflects an ancestral episode of introgression from C. cephus into C. erythrotis followed by a recombination event. Similar groups of synapomorphies occur at different phylogenetic depths within the C. erythrotis/C. cephus/C. ascanius radiation and reveal new details in the evolutionary history of this 3-species clade.
- Subjects
CERCOPITHECUS; X chromosome; INTROGRESSION (Genetics); SPECIES hybridization; PHYLOGENY
- Publication
Cytogenetic & Genome Research, 2018, Vol 153, Issue 1, p29
- ISSN
1424-8581
- Publication type
Article
- DOI
10.1159/000480656