Results 41 to 50 of about 2,554 (220)
Analysis of polimorphic NORs inAlouattaspecies (Primates, Atelidae) [PDF]
Caryologia, 1999 Nucleolar organizer regions were analyzed in four different species of Alouatta (Atelidae, Platyrrhini) using silver staining. They showed a high variability, appearing in dif- ferent numbers and positions, with a singular variation not found in other primate genera so far. Hence, the number of NOR-sites varied from four to six, while the number of NOR-
Edivaldo Herculano Correa De Oliveira +3 more
openaire +1 more source
Sperm Morphology in Neotropical Primates
Animals, 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
Pesquisa Veterinária Brasileira, 2010 O macaco-barrigudo (Lagothrix lagothricha) é um antropóide pertencente à Família Atelidae que possui os maiores primatas neotropicais. Um cadáver fêmea de macaco-barrigudo foi fixado com solução de formaldeído a 10%, posteriormente dissecado com o ...
Gessica Ariane M Cruz, Marta Adami
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Caldasia, 2019 El mono araña negro Ateles fusciceps está categorizado por la UICN como una especie críticamente amenazada (CR) y se estima que más del 80 % de la población se ha reducido en los últimos 45 años producto de la deforestación y la presión de cacería.
Laura Franco-E. +3 more
doaj +1 more source
Multiple sex chromosome systems in howler monkeys (Platyrrhini, Alouatta) [PDF]
, 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
Chromosomal distribution of interstitial telomeric sequences in nine neotropical primates (Platyrrhini): possible implications in evolution and phylogeny [PDF]
, 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
Threat Analysis of Forest Fragmentation and Degradation for Peruvian Primates
Diversity, 2023 Peru has 55 primate taxa (including all species and subspecies), a third of which are threatened. The major drivers of habitat loss, degradation and fragmentation are grazing, forestry, agriculture and transport infrastructure.
Sam Shanee +13 more
doaj +1 more source
The current status of the New World monkey phylogeny
Anais 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
A RAD-sequencing approach to genome-wide marker discovery, genotyping, and phylogenetic inference in a diverse radiation of primates. [PDF]
PLoS ONE, 2018 Until recently, most phylogenetic and population genetics studies of nonhuman primates have relied on mitochondrial DNA and/or a small number of nuclear DNA markers, which can limit our understanding of primate evolutionary and population history.
Lina M Valencia +3 more
doaj +1 more source
A Molecular Phylogeny of Living Primates [PDF]
, 2011 Comparative genomic analyses of primates offer considerable potential to define and understand the processes that mold, shape, and transform the human genome.
Horvath, Julie E. +13 more
core +5 more sources