Dynamics of mitochondrial DNA evolution in animals: amplification and sequencing with conserved primers.
The polymerase chain reaction is used to amplify homologous segments of mtDNA from more than 100 animal species, including mammals, birds, amphibians, fishes, and some invertebrates, and the unexpectedly wide taxonomic utility of these primers offers opportunities for phylogenetic and population research.
A molecular evolutionary framework for the phylum Nematoda
It is suggested that animal parasitism arose independently at least four times, and plant parasitism three times, which indicates that convergent morphological evolution may be extensive and that present higher-level classification of the Nematoda will need revision.
Ultrasequencing of the meiofaunal biosphere: practice, pitfalls and promises
An overview of meiofaunal metagenetic analyses, ranging from sample preservation and DNA extraction to PCR, sequencing and the bioinformatic interrogation of multiple, independent samples using 454 Roche sequencing platforms, is provided.
Length heteroplasmy of sturgeon mitochondrial DNA: an illegitimate elongation model.
A model for the replicative origin of length differences, involving a competitive equilibrium between the heavy strand and the D-loop strand, is proposed and suggests that frequent misalignment in the repeat region prior to elongation can explain both the polymorphism and heteroplasmy in this species.
The marsupial mitochondrial genome and the evolution of placental mammals.
The entire nucleotide sequence of the mitochondrial genome of the American opossum, Didelphis virginiana, was determined and it can be shown that rodents represent an earlier branch among placental mammals than primates and artiodactyls and that artiodACTyls share a common ancestor with carnivores.
An integrated approach to fast and informative morphological vouchering of nematodes for applications in molecular barcoding
- P. De Ley, I. T. De Ley, W. Thomas
- BiologyPhilosophical Transactions of the Royal Society B…
- 29 October 2005
It is argued that data-rich surveys and phylogenetic tools for analysis of barcode sequences are an essential component of the exploration of phyla with a high fraction of undiscovered species.
Investigation-Research: Molecular and Morphological Analysis of Isolates of Pratylenchus coffeae and Closely Related Species
Morphological and genome variation between 32 nematode isolates identified originally as Pratylenchus coffeae, P. gutierrezi, P. loosi, and P. pseudocoffeae were characterized to estimate…
GENETIC SUBSTRUCTURE OF THE PACIFIC HARBOR SEAL (PHOCA VITULINA RICHARDSI) OFF WASHINGTON, OREGON, AND CALIFORNIA
Phylogenetic analysis indicated Puget Sound seals possess unique divergent lineages not found in seals from the coasts of Washington, Oregon, and California, which is consistent with late reproductive timing of harbor seals from Pugets Sound.
Mitochondrial DNA sequence diversity and the colonization of Scandinavia by house mice from East Holstein
The proposal that Scandinavian musculus mice arose by a series of founder and island-hopping events from one or a few populations near the domesticus-musculus hybrid zone on the East Holstein Peninsula of northern Germany is tested and mitochondrial diversity uncovered leads to a reexamination of some aspects of the original model.
A New Reference Genome Assembly for the Microcrustacean Daphnia pulex
Consistent with the view that reduced effective population size can facilitate the accumulation of slightly deleterious genomic features, it is observed more proliferation of transposable elements (TEs) and a higher frequency of gained introns in the TCO genome.