Recently amplified satellite DNA inCallithrix argentata (Primates, Platyrrhini)
Copyright policy )Recently amplified satellite DNA inCallithrix argentata (Primates, Platyrrhini)
A satellite DNA has been cloned from the neotropical primate Callithrix argentata and designated CarB. The presence of the satellite was assayed in New and Old World primates by blot hybridization: CarB is highly amplified in the genomes of all three species belonging to the C. argentata species group (C. argentata, C. emiliae, C. humeralifer), but is either absent, or present in only minor amounts, in other primates, including the closely related species, C. jacchus. A completely sequenced CarB monomeric unit was 1528 bp in length and mapped to the telomeric C-band-positive regions of many C. argentata species group chromosomes. Sequence data from eight CarB clones indicated an average difference of 3.5% when base substitutions alone were counted. The hybridization and sequence data suggest that this satellite underwent a period of amplification and dispersal in the genome of a recent ancestor of the C. argentata species group.
- Federal University of Rio de Janeiro Brazil
- Armed Forces Institute of Pathology United States
- Armed Forces Institute of Pathology Pakistan
Genome, Gene Amplification, Chromosome Mapping, Genetic Variation, Callithrix, Sequence Analysis, DNA, DNA, Satellite, Fibroblasts, Biological Evolution, Chromosome Banding, Species Specificity, Heterochromatin, Animals, Cloning, Molecular, Cells, Cultured
Genome, Gene Amplification, Chromosome Mapping, Genetic Variation, Callithrix, Sequence Analysis, DNA, DNA, Satellite, Fibroblasts, Biological Evolution, Chromosome Banding, Species Specificity, Heterochromatin, Animals, Cloning, Molecular, Cells, Cultured
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