Results 21 to 30 of about 26,566 (197)

The Vomeronasal Organ of New World Monkeys (Platyrrhini) [PDF]

open access: yesThe Anatomical Record, 2011
AbstractAlthough all platyrrhine primates possess a vomeronasal organ (VNO), few species have been studied in detail. Here, we revisit the microanatomy of the VNO and related features in serially sectioned samples from 41 platyrrhine cadavers (14 species) of mixed age.
Timothy D, Smith   +8 more
openaire   +2 more sources

Identification and characterization of ERV-W-like sequences in Platyrrhini species provides new insights into the evolutionary history of ERV-W in primates

open access: yesMobile DNA, 2020
Background Endogenous Retroviruses (ERVs) constitute approximately 8% of every human genome and are relics of ancestral infections that affected the germ line cells.
Nicole Grandi   +6 more
doaj   +1 more source

Phylogenetic inferences of Atelinae (Platyrrhini) based on multi-directional chromosome painting in Brachyteles arachnoides, Ateles paniscus paniscus and Ateles b. marginatus [PDF]

open access: yes, 2005
We performed multi-directional chromosome painting in a comparative cytogenetic study of the three Atelinae species Brachyteles arachnoides, Ateles paniscus paniscus and Ateles belzebuth marginatus, in order to reconstruct phylogenetic relationships ...
C. Nagamachi   +17 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

Investigation of marmoset hybrids (Cebuella pygmaea x Callithrix jacchus) and related Callitrichinae (Platyrrhini) by cross-species chromosome painting and comparative genomic hybridization [PDF]

open access: yes, 2005
We report on the cytogenetics of twin offspring from an interspecies cross in marmosets (Callitrichinae, Platyrrhini), resulting from a pairing between a female Common marmoset (Callithrix jacchus, 2n = 46) and a male Pygmy marmoset (Cebuella pygmaea, 2n
Canavez FC   +15 more
core   +1 more source

Origen y evolución de los Platyrrhini (Primates, Anthropoidea), con especial referencia a los registros de Argentina

open access: yesEstudios Geologicos, 1998
Las recientes evidencias sobre el origen del suborden Anthropoidea proceden principalmente del Viejo Mundo, en especial de Africa y Asia, y podría afirmarse que dicho suborden constituye un grupo monofilético que incluye a catarrinos y platirrinos ...
M. F. Tejedor
doaj   +1 more source

A family case of fertile human 45,X,psu dic(15;Y) males [PDF]

open access: yes, 2006
We report on a familial case including four male probands from three generations with a 45,X,psu dic(15;Y)(p11.2;q12) karyotype. 45,X is usually associated with a female phenotype and only rarely with maleness, due to translocation of small Y chromosomal
Andersson M   +29 more
core   +1 more source

The origin of the RB1 imprint. [PDF]

open access: yesPLoS ONE, 2013
The human RB1 gene is imprinted due to a differentially methylated CpG island in intron 2. This CpG island is part of PPP1R26P1, a truncated retrocopy of PPP1R26, and serves as a promoter for an alternative RB1 transcript.
Deniz Kanber   +6 more
doaj   +1 more source

Phylogenetic studies of the genus Cebus (Cebidae-Primates) using chromosome painting and G-banding

open access: yesBMC Evolutionary Biology, 2008
Background Chromosomal painting, using whole chromosome probes from humans and Saguinus oedipus, was used to establish karyotypic divergence among species of the genus Cebus, including C. olivaceus, C. albifrons, C. apella robustus and C.
Pissinatti A   +5 more
doaj   +1 more source

The evolution and biological correlates of hand preferences in anthropoid primates

open access: yeseLife, 2022
The evolution of human right-handedness has been intensively debated for decades. Manual lateralization patterns in non-human primates have the potential to elucidate evolutionary determinants of human handedness, but restricted species samples and ...
Kai R Caspar   +4 more
doaj   +1 more source

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