ArticleProceedings. Biological sciences2007
Chromosome painting among Proboscidea, Hyracoidea and Sirenia: support for Paenungulata (Afrotheria, Mammalia) but not Tethytheria.
Article in Proceedings. Biological sciences, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Phylogenomics reveals an almost perfect polytomy among the almost ungulates (bioRxiv : the preprint server for biology · 2023Article
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- Cytochemical staining of leukocytes and platelets in the Florida manatee (Frontiers in veterinary science · 2023Article
- Karyotypical Confirmation of Natural Hybridization between Two Manatee Species,Life (Basel, Switzerland) · 2022Article
- Convergence of Afrotherian and Laurasiatherian Ungulate-Like Mammals: First Morphological Evidence from the Paleocene of Morocco.PloS one · 2016Article
- Elaboration and Innervation of the Vibrissal System in the Rock Hyrax (Procavia capensis).Brain, behavior and evolution · 2015Article
- Article
- The genome diversity and karyotype evolution of mammals.Molecular cytogenetics · 2011Article
- Paleocene emergence of elephant relatives and the rapid radiation of African ungulates.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Light and scanning electron microscopic study on the lingual papillae and their connective tissue cores of the Cape hyrax Procavia capensis.Journal of anatomy · 2008Article
- A new estimate of afrotherian phylogeny based on simultaneous analysis of genomic, morphological, and fossil evidence.BMC evolutionary biology · 2007Article
- Chromosomal instability in Afrotheria: fragile sites, evolutionary breakpoints and phylogenetic inference from genome sequence assemblies.BMC evolutionary biology · 2007Article
- Chromosomal evolution in tenrecs (Microgale and Oryzorictes, Tenrecidae) from the Central Highlands of Madagascar.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2007Article
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Abstract
Despite marked improvements in the interpretation of systematic relationships within Eutheria, particular nodes, including Paenungulata (Hyracoidea, Sirenia and Proboscidea), remain ambiguous. The combination of a rapid radiation, a deep divergence and an extensive morphological diversification has resulted in a limited phylogenetic signal confounding resolution within this clade both at the morphological and nucleotide levels. Cross-species chromosome painting was used to delineate regions of homology between Loxodonta africana (2n=56), Procavia capensis (2n=54), Trichechus manatus latirostris (2n=48) and an outgroup taxon, the aardvark (Orycteropus afer, 2n=20). Changes specific to each lineage were identified and although the presence of a minimum of 11 synapomorphies confirmed the monophyly of Paenungulata, no change characterizing intrapaenungulate relationships was evident. The reconstruction of an ancestral paenungulate karyotype and the estimation of rates of chromosomal evolution indicate a reduced rate of genomic repatterning following the paenungulate radiation. In comparison to data available for other mammalian taxa, the paenungulate rate of chromosomal evolution is slow to moderate. As a consequence, the absence of a chromosomal character uniting two paenungulates (at the level of resolution characterized in this study) may be due to a reduced rate of chromosomal change relative to the length of time separating successive divergence events.
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