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Pesquisa : B01.050.150.900.649.313.996 [Categoria DeCS]
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  1 / 13 MEDLINE  
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[PMID]:26238460
[Au] Autor:Springer MS; Gatesy J
[Ad] Endereço:Department of Biology, University of California, Riverside, CA 92521, USA. Electronic address: mark.springer@ucr.edu.
[Ti] Título:The gene tree delusion.
[So] Source:Mol Phylogenet Evol;94(Pt A):1-33, 2016 Jan.
[Is] ISSN:1095-9513
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Higher-level relationships among placental mammals are mostly resolved, but several polytomies remain contentious. Song et al. (2012) claimed to have resolved three of these using shortcut coalescence methods (MP-EST, STAR) and further concluded that these methods, which assume no within-locus recombination, are required to unravel deep-level phylogenetic problems that have stymied concatenation. Here, we reanalyze Song et al.'s (2012) data and leverage these re-analyses to explore key issues in systematics including the recombination ratchet, gene tree stoichiometry, the proportion of gene tree incongruence that results from deep coalescence versus other factors, and simulations that compare the performance of coalescence and concatenation methods in species tree estimation. Song et al. (2012) reported an average locus length of 3.1 kb for the 447 protein-coding genes in their phylogenomic dataset, but the true mean length of these loci (start codon to stop codon) is 139.6 kb. Empirical estimates of recombination breakpoints in primates, coupled with consideration of the recombination ratchet, suggest that individual coalescence genes (c-genes) approach ∼12 bp or less for Song et al.'s (2012) dataset, three to four orders of magnitude shorter than the c-genes reported by these authors. This result has general implications for the application of coalescence methods in species tree estimation. We contend that it is illogical to apply coalescence methods to complete protein-coding sequences. Such analyses amalgamate c-genes with different evolutionary histories (i.e., exons separated by >100,000 bp), distort true gene tree stoichiometry that is required for accurate species tree inference, and contradict the central rationale for applying coalescence methods to difficult phylogenetic problems. In addition, Song et al.'s (2012) dataset of 447 genes includes 21 loci with switched taxonomic names, eight duplicated loci, 26 loci with non-homologous sequences that are grossly misaligned, and numerous loci with >50% missing data for taxa that are misplaced in their gene trees. These problems were compounded by inadequate tree searches with nearest neighbor interchange branch swapping and inadvertent application of substitution models that did not account for among-site rate heterogeneity. Sixty-six gene trees imply unrealistic deep coalescences that exceed 100 million years (MY). Gene trees that were obtained with better justified models and search parameters show large increases in both likelihood scores and congruence. Coalescence analyses based on a curated set of 413 improved gene trees and a superior coalescence method (ASTRAL) support a Scandentia (treeshrews)+Glires (rabbits, rodents) clade, contradicting one of the three primary systematic conclusions of Song et al. (2012). Robust support for a Perissodactyla+Carnivora clade within Laurasiatheria is also lost, contradicting a second major conclusion of this study. Song et al.'s (2012) MP-EST species tree provided the basis for circular simulations that led these authors to conclude that the multispecies coalescent accounts for 77% of the gene tree conflicts in their dataset, but many internal branches of their MP-EST tree are stunted by an order of magnitude or more due to wholesale gene tree reconstruction errors. An independent assessment of branch lengths suggests the multispecies coalescent accounts for ⩽ 15% of the conflicts among Song et al.'s (2012) 447 gene trees. Unfortunately, Song et al.'s (2012) flawed phylogenomic dataset has been used as a model for additional simulation work that suggests the superiority of shortcut coalescence methods relative to concatenation. Investigator error was passed on to the subsequent simulation studies, which also incorporated further logical errors that should be avoided in future simulation studies. Illegitimate branch length switches in the simulation routines unfairly protected coalescence methods from their Achilles' heel, high gene tree reconstruction error at short internodes. These simulations therefore provide no evidence that shortcut coalescence methods out-compete concatenation at deep timescales. In summary, the long c-genes that are required for accurate reconstruction of species trees using shortcut coalescence methods do not exist and are a delusion. Coalescence approaches based on SNPs that are widely spaced in the genome avoid problems with the recombination ratchet and merit further pursuit in both empirical systematic research and simulations.
[Mh] Termos MeSH primário: Genes
Mamíferos/classificação
Mamíferos/genética
Modelos Genéticos
Filogenia
[Mh] Termos MeSH secundário: Animais
Conjuntos de Dados como Assunto
Evolução Molecular
Polimorfismo de Nucleotídeo Único/genética
Escandêntias/classificação
Escandêntias/genética
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Em] Mês de entrada:1609
[Cu] Atualização por classe:151116
[Lr] Data última revisão:
151116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150805
[St] Status:MEDLINE


  2 / 13 MEDLINE  
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[PMID]:26418466
[Au] Autor:Herculano-Houzel S; Catania K; Manger PR; Kaas JH
[Ad] Endereço:Instituto de Cix00EA;ncias Biomx00E9;dicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
[Ti] Título:Mammalian Brains Are Made of These: A Dataset of the Numbers and Densities of Neuronal and Nonneuronal Cells in the Brain of Glires, Primates, Scandentia, Eulipotyphlans, Afrotherians and Artiodactyls, and Their Relationship with Body Mass.
[So] Source:Brain Behav Evol;86(3-4):145-63, 2015.
[Is] ISSN:1421-9743
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Comparative studies amongst extant species are one of the pillars of evolutionary neurobiology. In the 20th century, most comparative studies remained restricted to analyses of brain structure volume and surface areas, besides estimates of neuronal density largely limited to the cerebral cortex. Over the last 10 years, we have amassed data on the numbers of neurons and other cells that compose the entirety of the brain (subdivided into cerebral cortex, cerebellum, and rest of brain) of 39 mammalian species spread over 6 clades, as well as their densities. Here we provide that entire dataset in a format that is readily useful to researchers of any area of interest in the hope that it will foster the advancement of evolutionary and comparative studies well beyond the scope of neuroscience itself. We also reexamine the relationship between numbers of neurons, neuronal densities and body mass, and find that in the rest of brain, but not in the cerebral cortex or cerebellum, there is a single scaling rule that applies to average neuronal cell size, which increases with the linear dimension of the body, even though there is no single scaling rule that relates the number of neurons in the rest of brain to body mass. Thus, larger bodies do not uniformly come with more neurons--but they do fairly uniformly come with larger neurons in the rest of brain, which contains a number of structures directly connected to sources or targets in the body.
[Mh] Termos MeSH primário: Encéfalo/citologia
Mamíferos/anatomia & histologia
Neuroglia/citologia
Neurônios/citologia
[Mh] Termos MeSH secundário: Animais
Artiodáctilos/anatomia & histologia
Evolução Biológica
Tamanho Corporal
Contagem de Células
Tamanho Celular
Primatas/anatomia & histologia
Escandêntias/anatomia & histologia
[Pt] Tipo de publicação:DATASET; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Em] Mês de entrada:1609
[Cu] Atualização por classe:151218
[Lr] Data última revisão:
151218
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150930
[St] Status:MEDLINE
[do] DOI:10.1159/000437413


  3 / 13 MEDLINE  
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[PMID]:25132483
[Au] Autor:Russo GA
[Ad] Endereço:Department of Anthropology, Stony Brook University, Stony Brook, New York, 11794-8081, USA.
[Ti] Título:Postsacral vertebral morphology in relation to tail length among primates and other mammals.
[So] Source:Anat Rec (Hoboken);298(2):354-75, 2015 Feb.
[Is] ISSN:1932-8494
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Tail reduction/loss independently evolved in a number of mammalian lineages, including hominoid primates. One prerequisite to appropriately contextualizing its occurrence and understanding its significance is the ability to track evolutionary changes in tail length throughout the fossil record. However, to date, the bony correlates of tail length variation among living taxa have not been comprehensively examined. This study quantifies postsacral vertebral morphology among living primates and other mammals known to differ in relative tail length (RTL). Linear and angular measurements with known biomechanical significance were collected on the first, mid-, and transition proximal postsacral vertebrae, and their relationship with RTL was assessed using phylogenetic generalized least-squares regression methods. Compared to shorter-tailed primates, longer-tailed primates possess a greater number of postsacral vertebral features associated with increased proximal tail flexibility (e.g., craniocaudally longer vertebral bodies), increased intervertebral body joint range of motion (e.g., more circularly shaped cranial articular surfaces), and increased leverage of tail musculature (e.g., longer spinous processes). These observations are corroborated by the comparative mammalian sample, which shows that distantly related short-tailed (e.g., Phascolarctos, Lynx) and long-tailed (e.g., Dendrolagus, Acinonyx) nonprimate mammals morphologically converge with short-tailed (e.g., Macaca tonkeana) and long-tailed (e.g., Macaca fascicularis) primates, respectively. Multivariate models demonstrate that the variables examined account for 70% (all mammals) to 94% (only primates) of the variance in RTL. Results of this study may be used to infer the tail lengths of extinct primates and other mammals, thereby improving our understanding about the evolution of tail reduction/loss.
[Mh] Termos MeSH primário: Carnívoros/anatomia & histologia
Primatas/anatomia & histologia
Roedores/anatomia & histologia
Sacro/anatomia & histologia
Escandêntias/anatomia & histologia
Cauda/anatomia & histologia
[Mh] Termos MeSH secundário: Animais
Mamíferos/anatomia & histologia
Filogenia
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Em] Mês de entrada:1509
[Cu] Atualização por classe:150113
[Lr] Data última revisão:
150113
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:140819
[St] Status:MEDLINE
[do] DOI:10.1002/ar.23004


  4 / 13 MEDLINE  
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[PMID]:23560065
[Au] Autor:Kumar V; Hallström BM; Janke A
[Ad] Endereço:Biodiversity and Climate Research Centre (BiK-F) and Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany.
[Ti] Título:Coalescent-based genome analyses resolve the early branches of the euarchontoglires.
[So] Source:PLoS One;8(4):e60019, 2013.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Despite numerous large-scale phylogenomic studies, certain parts of the mammalian tree are extraordinarily difficult to resolve. We used the coding regions from 19 completely sequenced genomes to study the relationships within the super-clade Euarchontoglires (Primates, Rodentia, Lagomorpha, Dermoptera and Scandentia) because the placement of Scandentia within this clade is controversial. The difficulty in resolving this issue is due to the short time spans between the early divergences of Euarchontoglires, which may cause incongruent gene trees. The conflict in the data can be depicted by network analyses and the contentious relationships are best reconstructed by coalescent-based analyses. This method is expected to be superior to analyses of concatenated data in reconstructing a species tree from numerous gene trees. The total concatenated dataset used to study the relationships in this group comprises 5,875 protein-coding genes (9,799,170 nucleotides) from all orders except Dermoptera (flying lemurs). Reconstruction of the species tree from 1,006 gene trees using coalescent models placed Scandentia as sister group to the primates, which is in agreement with maximum likelihood analyses of concatenated nucleotide sequence data. Additionally, both analytical approaches favoured the Tarsier to be sister taxon to Anthropoidea, thus belonging to the Haplorrhine clade. When divergence times are short such as in radiations over periods of a few million years, even genome scale analyses struggle to resolve phylogenetic relationships. On these short branches processes such as incomplete lineage sorting and possibly hybridization occur and make it preferable to base phylogenomic analyses on coalescent methods.
[Mh] Termos MeSH primário: Biologia Computacional/métodos
Genoma
Filogenia
Escandêntias/classificação
Escandêntias/genética
[Mh] Termos MeSH secundário: Animais
Especiação Genética
Modelos Genéticos
Primatas/classificação
Primatas/genética
Roedores/classificação
Roedores/genética
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1309
[Cu] Atualização por classe:150427
[Lr] Data última revisão:
150427
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:130406
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0060019


  5 / 13 MEDLINE  
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[PMID]:22614467
[Au] Autor:Nie W
[Ad] Endereço:State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, PR China. whnie@mail.kiz.ac.cn
[Ti] Título:Molecular cytogenetic studies in strepsirrhine primates, Dermoptera and Scandentia.
[So] Source:Cytogenet Genome Res;137(2-4):246-58, 2012.
[Is] ISSN:1424-859X
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Since the first chromosome painting study between human and strepsirrhine primates was performed in 1996, nearly 30 species in Strepsirrhini, Dermoptera and Scandentia have been analyzed by cross-species chromosome painting. Here, the contribution of chromosome painting data to our understanding of primate genome organization, chromosome evolution and the karyotype phylogenetic relationships within strepsirrhine primates, Dermoptera and Scandentia is reviewed. Twenty-six to 43 homologous chromosome segments have been revealed in different species with human chromosome-specific paint probes. Various landmark rearrangements characteristic for each different lineage have been identified, as cytogenetic signatures that potentially unite certain lineages within strepsirrhine primates, Dermoptera and Scandentia.
[Mh] Termos MeSH primário: Escandêntias/classificação
Escandêntias/genética
Strepsirhini/classificação
Strepsirhini/genética
[Mh] Termos MeSH secundário: Animais
Coloração Cromossômica
Cromossomos de Mamíferos/genética
Análise Citogenética
Evolução Molecular
Seres Humanos
Cariótipo
Lorisidae/classificação
Lorisidae/genética
Filogenia
Especificidade da Espécie
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1211
[Cu] Atualização por classe:120905
[Lr] Data última revisão:
120905
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:120523
[St] Status:MEDLINE
[do] DOI:10.1159/000338727


  6 / 13 MEDLINE  
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[PMID]:22299462
[Au] Autor:Madinah A; Fatimah A; Mariana A; Abdullah MT
[Ad] Endereço:Department of Zoology, Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, Kuching, Sarawak, Malaysia. a.madinah@gmail.com
[Ti] Título:Ectoparasites of small mammals in four localities of wildlife reserves in Peninsular Malaysia.
[So] Source:Southeast Asian J Trop Med Public Health;42(4):803-13, 2011 Jul.
[Is] ISSN:0125-1562
[Cp] País de publicação:Thailand
[La] Idioma:eng
[Ab] Resumo:Field surveys of ectoparasites on rodents and scandents were conducted in four localities of wildlife reserves in Peninsular Malaysia from October 2008 to November 2009. A total of 16 animals comprising 5 species of hosts were caught and examined for ectoparasites. The hosts examined were Maxomys rajah, Maxomys whiteheadi, Leopoldamys sabanus, Lariscus insignis and Tupaia glis. Of these hosts, 9 genera, consisting of 14 species of ectoparasites were extracted. Three species of ticks (Ixodidae), 7 species of mesostigmatid mites (Laelaptidae), 3 species of chiggers (Trombiculidae) and 1 species of listrophorid mites (Listrophoriidae) were identified. The infestation rate of ectoparasites observed ranged from 12.5% to 62.5%. Among the ectoparasites found, Ixodes granulatus and Leptotrombidium deliense are of known medical importance.
[Mh] Termos MeSH primário: Infestações por Ácaros/veterinária
Roedores/parasitologia
Escandêntias/parasitologia
Infestações por Carrapato/veterinária
[Mh] Termos MeSH secundário: Animais
Malásia
Infestações por Ácaros/parasitologia
Infestações por Carrapato/parasitologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1202
[Cu] Atualização por classe:120203
[Lr] Data última revisão:
120203
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:120204
[St] Status:MEDLINE


  7 / 13 MEDLINE  
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[PMID]:21565274
[Au] Autor:Roberts TE; Lanier HC; Sargis EJ; Olson LE
[Ad] Endereço:University of Alaska Museum, University of Alaska Fairbanks, 907 Yukon Dr., Fairbanks, AK 99775, USA. trina.roberts@nescent.org
[Ti] Título:Molecular phylogeny of treeshrews (Mammalia: Scandentia) and the timescale of diversification in Southeast Asia.
[So] Source:Mol Phylogenet Evol;60(3):358-72, 2011 Sep.
[Is] ISSN:1095-9513
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Resolving the phylogeny of treeshrews (Order Scandentia) has historically proven difficult, in large part because of access to specimens and samples from critical taxa. We used "antique" DNA methods with non-destructive sampling of museum specimens to complete taxon sampling for the 20 currently recognized treeshrew species and to estimate their phylogeny and divergence times. Most divergence among extant species is estimated to have taken place within the past 20 million years, with deeper divergences between the two families (Ptilocercidae and Tupaiidae) and between Dendrogale and all other genera within Tupaiidae. All but one of the divergences between currently recognized species had occurred by 4Mya, suggesting that Miocene tectonics, volcanism, and geographic instability drove treeshrew diversification. These geologic processes may be associated with an increase in net diversification rate in the early Miocene. Most evolutionary relationships appear consistent with island-hopping or landbridge colonization between contiguous geographic areas, although there are exceptions in which extinction may play an important part. The single recent divergence is between Tupaia palawanensis and Tupaia moellendorffi, both endemic to the Philippines, and may be due to Pleistocene sea level fluctuations and post-landbridge isolation in allopatry. We provide a time-calibrated phylogenetic framework for answering evolutionary questions about treeshrews and about evolutionary patterns and processes in Euarchonta. We also propose subsuming the monotypic genus Urogale, a Philippine endemic, into Tupaia, thereby reducing the number of extant treeshrew genera from five to four.
[Mh] Termos MeSH primário: Evolução Biológica
Filogenia
Escandêntias/classificação
[Mh] Termos MeSH secundário: Animais
Ásia Sudeste
DNA Mitocondrial/genética
Conformação de Ácido Nucleico
Filogeografia
Escandêntias/genética
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Nm] Nome de substância:
0 (DNA, Mitochondrial)
[Em] Mês de entrada:1112
[Cu] Atualização por classe:110701
[Lr] Data última revisão:
110701
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:110514
[St] Status:MEDLINE
[do] DOI:10.1016/j.ympev.2011.04.021


  8 / 13 MEDLINE  
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[PMID]:21235000
[Au] Autor:Armstrong SD; Bloch JI; Houde P; Silcox MT
[Ad] Endereço:Department of Anthropology, University of Winnipeg, Winnipeg, Manitoba, Canada.
[Ti] Título:Cochlear labyrinth volume in euarchontoglirans: implications for the evolution of hearing in primates.
[So] Source:Anat Rec (Hoboken);294(2):263-6, 2011 Feb.
[Is] ISSN:1932-8494
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Using high resolution X-ray computed tomography data we examined the relationship between cochlear labyrinth volume and body mass in extant, non-primate euarchontoglirans, and in two fossils, to allow for comparison with the results of Kirk and Gosselin-Ildari (2009). Modern primates have significantly higher cochlear labyrinth volumes relative to body mass than other euarchontoglirans, which may be related to a downward shift in the highest and lowest audible frequencies over the course of primate evolution, and to the relative increase in brain size observed in Euprimates.
[Mh] Termos MeSH primário: Evolução Biológica
Cóclea/anatomia & histologia
Audição
Lemur/anatomia & histologia
Primatas/anatomia & histologia
Roedores/anatomia & histologia
Escandêntias/anatomia & histologia
[Mh] Termos MeSH secundário: Animais
Índice de Massa Corporal
Cóclea/diagnóstico por imagem
Tamanho do Órgão
Filogenia
Tomografia Computadorizada por Raios X
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Em] Mês de entrada:1104
[Cu] Atualização por classe:161125
[Lr] Data última revisão:
161125
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:110115
[St] Status:MEDLINE
[do] DOI:10.1002/ar.21298


  9 / 13 MEDLINE  
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[PMID]:19043050
[Au] Autor:Schmidt M
[Ad] Endereço:Institut für Spezielle Zoologie und Evolutionsbiologie, Friedrich Schiller Universität Jena, Erbertstrasse 1, D-07743 Jena, Germany. schmidt.manuela@uni-jena.de
[Ti] Título:Forelimb proportions and kinematics: how are small primates different from other small mammals?
[So] Source:J Exp Biol;211(Pt 24):3775-89, 2008 Dec.
[Is] ISSN:0022-0949
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The crouched limb posture of small mammals enables them to react to unexpected irregularities in the support. Small arboreal primates would benefit from these kinematics in their arboreal habitat but it has been demonstrated that primates display certain differences in forelimb kinematics to other mammals. The objective of this paper is to find out whether these changes in forelimb kinematics are related to changes in body size and limb proportions. As primates descended from small ancestors, a comparison between living small primates and other small mammals makes it possible to determine the polarity of character transformations for kinematic and morphometric features proposed to be unique to primates. Walking kinematics of mouse lemurs, brown lemurs, cotton-top tamarins and squirrel monkeys was investigated using cineradiography. Morphometry was conducted on a sample of 110 mammals comprising of primates, marsupials, rodents and carnivores. It has been shown that forelimb kinematics change with increasing body size in such a way that limb protraction increases but retraction decreases. Total forelimb excursion, therefore, is almost independent of body size. Kinematic changes are linked to changes in forelimb proportions towards greater asymmetry between scapula and radius. Due to the spatial restriction inherent in the diagonal footfall sequence of primates, forelimb excursion is influenced by the excursion of the elongated hind limb. Hindlimb geometry, however, is highly conserved, as has been previously shown. The initial changes in forelimb kinematics might, therefore, be explained as solutions to a constraint rather than as adaptations to the particular demands of arboreal locomotion.
[Mh] Termos MeSH primário: Braço/anatomia & histologia
Braço/fisiologia
Membro Anterior/anatomia & histologia
Membro Anterior/fisiologia
Primatas/anatomia & histologia
Primatas/fisiologia
[Mh] Termos MeSH secundário: Animais
Fenômenos Biomecânicos
Tamanho Corporal
Carnívoros/anatomia & histologia
Carnívoros/fisiologia
Marsupiais/anatomia & histologia
Marsupiais/fisiologia
Roedores/anatomia & histologia
Roedores/fisiologia
Escandêntias/anatomia & histologia
Escandêntias/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:0903
[Cu] Atualização por classe:131121
[Lr] Data última revisão:
131121
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:081202
[St] Status:MEDLINE
[do] DOI:10.1242/jeb.019802


  10 / 13 MEDLINE  
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[PMID]:17975064
[Au] Autor:Janecka JE; Miller W; Pringle TH; Wiens F; Zitzmann A; Helgen KM; Springer MS; Murphy WJ
[Ad] Endereço:Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX 77843, USA.
[Ti] Título:Molecular and genomic data identify the closest living relative of primates.
[So] Source:Science;318(5851):792-4, 2007 Nov 02.
[Is] ISSN:1095-9203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A full understanding of primate morphological and genomic evolution requires the identification of their closest living relative. In order to resolve the ancestral relationships among primates and their closest relatives, we searched multispecies genome alignments for phylogenetically informative rare genomic changes within the superordinal group Euarchonta, which includes the orders Primates, Dermoptera (colugos), and Scandentia (treeshrews). We also constructed phylogenetic trees from 14 kilobases of nuclear genes for representatives from most major primate lineages, both extant colugos, and multiple treeshrews, including the pentail treeshrew, Ptilocercus lowii, the only living member of the family Ptilocercidae. A relaxed molecular clock analysis including Ptilocercus suggests that treeshrews arose approximately 63 million years ago. Our data show that colugos are the closest living relatives of primates and indicate that their divergence occurred in the Cretaceous.
[Mh] Termos MeSH primário: Evolução Biológica
Primatas/genética
[Mh] Termos MeSH secundário: Animais
DNA
Evolução Molecular
Fósseis
Genoma
Seres Humanos
Mamíferos/classificação
Mamíferos/genética
Dados de Sequência Molecular
Filogenia
Primatas/classificação
Escandêntias/classificação
Escandêntias/genética
Alinhamento de Sequência
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, N.I.H., EXTRAMURAL; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Nm] Nome de substância:
9007-49-2 (DNA)
[Em] Mês de entrada:0711
[Cu] Atualização por classe:101118
[Lr] Data última revisão:
101118
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:071103
[St] Status:MEDLINE



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