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Molecular phylogenetics and the origins of placental mammals
- W. Murphy, E. Eizirik, W. Johnson, Y. Zhang, O. Ryder, S. O’Brien
- Biology, Environmental ScienceNature
- 1 February 2001
The potential weaknesses of limited character and taxon sampling are addressed in a comprehensive molecular phylogenetic analysis of 64 species sampled across all extant orders of placental mammals, providing new insight into the pattern of the early placental mammal radiation.
Resolution of the Early Placental Mammal Radiation Using Bayesian Phylogenetics
Crown-group Eutheria may have their most recent common ancestry in the Southern Hemisphere (Gondwana), and placental phylogeny is investigated using Bayesian and maximum-likelihood methods and a 16.4-kilobase molecular data set.
Impacts of the Cretaceous Terrestrial Revolution and KPg Extinction on Mammal Diversification
Molecular phylogenetic analysis, calibrated with fossils, resolves the time frame of the mammalian radiation and diversification analyses suggest important roles for the Cretaceous Terrestrial Revolution and KPg mass extinction in opening up ecospace that promoted interordinal and intraordinal diversification, respectively.
The Late Miocene Radiation of Modern Felidae: A Genetic Assessment
The phylogenetic performance of distinct gene classes showed that Y-chromosome segments are appreciably more informative than mitochondrial DNA, X-linked, or autosomal genes in resolving the rapid Felidae species radiation.
Placental mammal diversification and the Cretaceous–Tertiary boundary
- M. Springer, W. Murphy, E. Eizirik, S. O’Brien
- Biology, GeographyProceedings of the National Academy of Sciences…
- 27 January 2003
The largest available molecular data set for placental mammals is investigated, which includes segments of 19 nuclear and three mitochondrial genes for representatives of all extant placental orders and permits simultaneous constraints from the fossil record and allows rates of molecular evolution to vary on different branches of a phylogenetic tree.
A Molecular Phylogeny for Bats Illuminates Biogeography and the Fossil Record
- E. Teeling, M. Springer, O. Madsen, P. Bates, S. O’Brien, W. Murphy
- Biology, Environmental ScienceScience
- 28 January 2005
The results support the hypothesis that megabats are nested among four major microbat lineages, which originated in the early Eocene, coincident with a significant global rise in temperature, increase in plant diversity and abundance, and the zenith of Tertiary insect diversity.
Macroevolutionary Dynamics and Historical Biogeography of Primate Diversification Inferred from a Species Supermatrix
A robust molecular phylogeny for 70 primate genera and 367 primate species is generated based on a concatenation of 69 nuclear gene segments and ten mitochondrial gene sequences, most of which were extracted from GenBank to find support for the hypothesis that the most recent common ancestor of living Primates resided in Asia.
Using genomic data to unravel the root of the placental mammal phylogeny.
The genome sequence assemblies of human, armadillo, elephant, and opossum are analyzed to identify informative coding indels that would serve as rare genomic changes to infer early events in placental mammal phylogeny and suggest Afrotheria and Xenarthra diverged from other placental mammals approximately 103 (95-114) million years ago.
Dynamics of Mammalian Chromosome Evolution Inferred from Multispecies Comparative Maps
It is found that segmental duplications populate the majority of primate-specific breakpoints and often flank inverted chromosome segments, implicating their role in chromosomal rearrangement.