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- Title
Phylogenetic relationships of the callitrichinae (Platyrrhini, Primates) based on β[sub 2] -microglobulin DNA sequences.
- Authors
Canavez, Flávio C.; Moreira, Miguel A. M.; Simon, Faiçal; Parham, Peter; Seuánez, Héctor N.
- Abstract
The phylogenetic relationships of callitrichine primates have been determined by DNA sequence analyses of exons 1, 2, and 3 of the β[sub 2] -microglobulin gene. Parsimony, distance, and maximum likelihood analyses of ca. 900 base pairs of 21 taxa, representing all callitrichine genera, indicated that Saguinus was the most basal offshoot. Within Saguinus , S. fuscicollis appeared as the first divergent lineage followed by an unresolved trichotomy formed by S. mystax /S. imperator , S. midas /S. bicolor , and S. oedipus . A second callitrichine lineage was formed by Leontopithecus ; each of the three species studied showed identical nucleotide sequences. Callimico appeared as the sister taxon of Callithrix /Cebuella . Genetic distances within this latter group were very small, although a stronger association between Cebuella and species of the Callithrix argentata group was observed. The inclusion of Cebuella in the genus Callithrix is suggested. These studies indicated that tamarins are more plesiomorphic than marmosets in agreement with the phyletic dwarfism hypothesis. Am. J. Primatol. 48:225–236, 1999. © 1999 Wiley-Liss, Inc.
- Subjects
PRIMATES; NUCLEOTIDE sequence; SAGUINUS; CALLIMICO; DWARFISM
- Publication
American Journal of Primatology, 1999, Vol 48, Issue 3, p225
- ISSN
0275-2565
- Publication type
Article
- DOI
10.1002/(SICI)1098-2345(1999)48:3<225::AID-AJP4>3.0.CO;2-4