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Understanding the relationship between Alouatta ululata and Alouatta belzebul (Primates: Atelidae) based on cytogenetics and molecular phylogeny

2015; UNIVERSIDADE FEDERAL DO RIO DE JANEIRO; Volume: 19; Issue: 01 Linguagem: Inglês

10.4257/oeco.2015.1901.11

2177-6199

Maria Carolina Viana, Cibele Rodrigues Bonvicino, J. Ferreira, Leandro Jerusalinsky, Alfredo Langguth, Héctor N. Seuánez,

Amphibian and Reptile Biology

Normal 0 21 The genus Alouatta Lacépède 1799 comprises a group of neotropical primates distributed from southern Mexico to northern Argentina. Ten species of Alouatta occur in Brazil, including Alouatta belzebul (Linnaeus, 1766) and A. ululata Elliot, 1912; this latter being considered a full species or a junior synonymous of A . belzebul . In order to clarify the relationship of A. ululata with A. belzebul and inferring their relationships with other Alouatta species, karyotyping and mitochondrial DNA data were analyzed. Phylogenetic analyses were carried out with a 801 pb fragment of cytochrome b DNA of one specimen of A . ululata and 33 sequences of A. belzebul, A. caraya, A. fusca, A. nigerrima, A. seniculus, A. macconnelli available in GenBank, with Brachyteles arachnoides as outgroup. The G-band k aryotype of a male A. ululata showed a diploid number of 49, similar to the one reported for A. belzebul, with the same pattern of autosome heteromorphism, apparently resulting from a Y-autosome translocation. Maximum-likelihood and Bayesian analysis and median joining network did not show an internal structure within A. belzebul and placed A. ululata haplotype within the A. belzebul clade. K aryotypic and m olecular analyses herein carried out corroborate did not allow the separation of A. ululata from A. belzebul .