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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.
Parallel adaptive radiations in two major clades of placental mammals
Two independent molecular data sets, having aligned lengths of DNA of 5,708 and 2,947 base pairs, respectively, are analysed for all orders of placental mammals to resolve placental orders into four groups: Xenarthra, Afrotheria, Laurasiatheria, and Euarchonta plus Glires.
Linnaeus was right all along: Ulva and Enteromorpha are not distinct genera
Preliminary results provide strong evidence that Ulva, Enteromorpha and Chloropelta are not distinct evolutionary entities and should not be recognized as separate genera.
Molecular evidence for multiple origins of Insectivora and for a new order of endemic African insectivore mammals.
- M. Stanhope, V. Waddell, M. Springer
- BiologyProceedings of the National Academy of Sciences…
- 18 August 1998
The traditional views regarding the mammalian order Insectivora are that the group descended from a single common ancestor and that it is comprised of the following families: Soricidae (shrews),…
Molecules consolidate the placental mammal tree.
Independent adaptation to riverine habitats allowed survival of ancient cetacean lineages.
- I. Cassens, S. Vicario, M. Milinkovitch
- Biology, Environmental ScienceProceedings of the National Academy of Sciences…
- 10 October 2000
Using phylogenetic analyses of nucleotide sequences from three mitochondrial and two nuclear genes, it is demonstrated with statistical significance that extant river dolphins are not monophyletic and suggested that they are relict species whose adaptation to riverine habitats incidentally insured their survival against major environmental changes in the marine ecosystem or the emergence of Delphinidae.
Molecular phylogenetic evidence refuting the hypothesis of Batoidea (rays and skates) as derived sharks.
Universal trees based on large combined protein sequence data sets
- James R. Brown, C. Douady, Michael J. Italia, William E. Marshall, M. Stanhope
- BiologyNature Genetics
- 1 July 2001
Combined protein universal trees are highly congruent with SSU rRNA trees in their strong support for the separate monophyly of domains as well as the early evolution of thermophilic Bacteria.
Evolution of the core and pan-genome of Streptococcus: positive selection, recombination, and genome composition
Recombination is an important evolutionary force in shaping Streptococcus genomes, not only in the acquisition of significant portions of the genome as lineage specific loci, but also in facilitating rapid evolution of the core-genome.
Molecular evidence regarding the origin of echolocation and flight in bats
- E. Teeling, M. Scally, D. Kao, Michael L. Romagnoli, M. Springer, M. Stanhope
- 13 January 2000
A phylogenetic analysis of bat relationships using DNA sequence data from four nuclear genes and three mitochondrial genes indicates that microbat families in the superfamily Rhinolophoidea are more closely related to megabats than they are to other microbats, which implies that echolocation systems either evolved independently in rhinlophoids and otherMicrobat monophyly is uncorroborated by molecular data.