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Mapping CAP-A satellite DNAs by FISH in Sapajus cay paraguay and S. macrocephalus (Platyrrhini, Primates)

Caryologia, ISSN: 2165-5391, Vol: 75, Issue: 4, Page: 87-92
2022
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  • Mentions
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    • News Mentions
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Most Recent News

New Cytology Study Findings Have Been Published by Researchers at University of Palermo [Mapping CAP-A satellite DNAs by FISH in Sapajus cay paraguay and S. macrocephalus (Platyrrhini, Primates)]

2023 MAR 01 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Life Science Daily -- Investigators publish new report on cytology. According to

Article Description

Satellite DNAs such as Cap-A sequences are potentially informative taxonomic and phylogenetic markers useful for characterizing primate genomes. They have also been used as cytogenetic markers facilitating species identification in many taxa. The aim of this work is to map Cap-A sequences by FISH (fluorescent in situ hybrid-ization) on two Platyrrhini (Primates) species genomes, Sapajus cay paraguay and S. macrocephalus, in order to study their distribution pattern on chromosomes. The Cap-A probes showed bright signals with almost the same interstitial pattern of distribution in correspondence with C and CMA3 rich regions on six pairs of chromosomes in both Sapajus species. An additional pair was detected on S. macrocephalus. The analysis of the results, compared with previous literature data on other phylogenetically close New World species, shows that Cap-A satellite sequences have a genus-specific pattern, but with slight species-specific patterns that are useful as phylogenetic and taxonomic markers.

Bibliographic Details

Simona Ceraulo; Francesca Dumas

Firenze University Press

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences

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