Results 31 to 40 of about 4,242 (228)

Chromosome Evolution in New World Monkeys (Platyrrhini) [PDF]

open access: yes, 2012
During the last decades, New World monkey (NWM, Platyrrhini, Anthropoideae) comparative cytogenetics has shed light on many fundamental aspects of genome organisation and evolution in this fascinating, but also highly endangered group of neotropical ...
de Oliveira, E. H. C.   +2 more
core   +1 more source

The current status of the New World monkey phylogeny

open access: yesAnais da Academia Brasileira de Ciências, 2000
Four DNA datasets were combined in tandem (6700 bp) and Maximum parsimony and Neighbor-Joining analyses were performed. The results suggest three groups emerging almost at the same time: Atelidae, Pitheciidae and Cebidae.
HORACIO SCHNEIDER
doaj   +1 more source

Chromosomal distribution of interstitial telomeric sequences in nine neotropical primates (Platyrrhini): possible implications in evolution and phylogeny [PDF]

open access: yes, 2016
To localize interstitial telomeric sequences (ITSs) and to test whether their pattern of distribution could be linked to chromosomal evolution, we hybridized telomeric sequence probes (peptide nucleic acid, PNA) on metaphases of New World monkeys ...
Cuttaia, H., Dumas, F., Sineo, L.
core   +2 more sources

Cebus apella (Primata: Cebidae) as a new host for Fonsecalges johnjadini (Acari: Psoroptidae, Cebalginae) with a description of anatomopathological aspects

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
Mites collected from the auditory canal of Cebus apella (capuchin monkey), family Cebidae, were identified as Fonsecalges johnjadini (Psoroptidae, Cebalginae). It is the first record of this parasite from this monkey. This paper emphasizes the importance
Luciana Guerim   +4 more
doaj   +1 more source

Characterization of Satellite DNAs in Squirrel Monkeys genus Saimiri (Cebidae, Platyrrhini) [PDF]

open access: yesScientific Reports, 2020
AbstractThe genusSaimiriis a decades-long taxonomic and phylogenetic puzzle to which cytogenetics has contributed crucial data. AllSaimirispecies apparently have a diploid number of 2n = 44 but vary in the number of chromosome arms. Repetitive sequences such as satellite DNAs are potentially informative cytogenetic markers because they display high ...
Valeri, Mirela Pelizaro   +6 more
openaire   +3 more sources

A phylogenomic perspective on the robust capuchin monkey (Sapajus) radiation : first evidence for extensive population admixture across South America [PDF]

open access: yes, 2018
Phylogenetic relationships amongst the robust capuchin monkeys (genus Sapajus) are poorly understood. Morphology-based taxonomies have recognized anywhere from one to twelve different species.
Aleixo, A   +11 more
core   +1 more source

Sperm Morphology in Neotropical Primates

open access: yesAnimals, 2019
The morphological and morphometric characterization of spermatozoa has been used as a taxonomic and phylogenetic tool for different species of mammals. We evaluated and compared the sperm morphometry of five neotropical primate species: Alouatta caraya ...
Eliana R. Steinberg   +5 more
doaj   +1 more source

Multiple sex chromosome systems in howler monkeys (Platyrrhini, Alouatta) [PDF]

open access: yes, 2014
In light of the multiple sex chromosome systems observed in howler monkeys (Alouatta Lacépède, 1799) a combined cladistic analysis using chromosomal and molecular characters was applied to discuss the possible origin of these systems.
Mudry, Marta Dolores   +2 more
core   +2 more sources

Phylogeny, molecular dating and zoogeographic history of the titi monkeys (Callicebus, Pitheciidae) of eastern Brazil [PDF]

open access: yes, 2018
The titi monkeys belong to a genus of New World primates endemic to South America, which were recently reclassified in three genera (Cheracebus, Plecturocebus and Callicebus).
Boubli, JP   +10 more
core   +2 more sources

Chromosome polymorphism in Ateles geoffroyi (Cebidae; Primates; Mammalia)

open access: yesTheoretical and Applied Genetics, 1992
The karyotype of Ateles geoffroyi (Cebidae; Primates; Mammalia) was studied using G- and C-banding techniques, and standardized idiograms are proposed. A polymorphism of chromosome 3 due to a pericentric inversion has been identified for the first time. Genetic analysis of this polymorphism showed Mendelian inheritance.
Herzog, S.   +4 more
openaire   +3 more sources

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