Sentences with phrase «molecular phylogenetic»

TImprovement of molecular phylogenetic inference and the phylogeny of Bilateria.

Although hyraxes superficially resemble large rodents or rabbits, both morphological and molecular phylogenetic studies indicate that they are actually most closely related to elephants and sea cows.

These circumscriptions remained largely intact for the past 30 years until recently when molecular phylogenetic analyses started reshaping concepts of Caryophyllales.

Based on a molecular phylogenetic analysis of Wildlife Online, Questions and Answers - Sharks & Rays QUESTIONS AND ANSWERS: Sharks and Rays.

Molecular phylogenetic analysis in mammals suggested that expanded NF - M C termini correlated with larger - diameter axons.

Molecular phylogenetic studies of protein homology (i.e., amino acid sequence similarity comparisons with assumptions of mutation rate) date one primordial form within the family to 600 to 700 million years ago, a time period often conjectured to correspond to the divergence of invertebrate and vertebrate ancestors.

The branch uniting the fungi and animals is well - supported based on a number of molecular phylogenetic datasets, including the nuclear small subunit ribosomal RNA gene (Wainwright et al., 1993; Bruns et al. 1993), unique and shared sequence insertions in proteins such as elongation factor 1α (Baldauf and Palmer, 1993), entire mitochondrial genomes (Lang et al., 2002), and concatenated protein - coding genes (Steenkamp et al., 2006).

Corroborative fossil evidence of molecular phylogenetic divergence dates has been lacking.

Snow's colleagues at the Smithsonian Insitution, Drs. Paul Peterson and Konstantin Romaschenko, included a molecular phylogenetic analysis of 21 individuals of Diplachne, which indicated that while the genus is monophyletic, some accessions of the four subspecies of D. fusca are in fact polyphyletic.

«We know from molecular phylogenetic studies that the kentrogonids are ancestral to the akentrogenids.

Most attempts to date early molecular phylogenetic trees used the emergence of eukaryotes (around 2.0 billion years B.P.) as a calibration point.

«Genome - wide data help identify an avian species - level lineage that is morphologically and vocally cryptic,» appears in the journal, Molecular Phylogenetics and Evolution.

The findings of the research project have recently been published in the journal Molecular Phylogenetics and Evolution.

Lead - author and conservation genomics expert Dr Graham Etherington in the Di Palma Group at EI, said: «Molecular phylogenetics was applied to the Hen Harriers and the Northern Harriers to see if genetics could shed some light on whether the accepted morphological nuances between the species indeed represent a genuine distinction.

For example, Meyer completely omits mention of the Early Cambrian small shelly fossils and misunderstands the nuances of molecular phylogenetics, both of which cause him to exaggerate the apparent suddenness of the Cambrian explosion.

The results are published in 14 papers in a special January issue of the journal Molecular Phylogenetics and Evolution; Alfaro and Lynch Alfaro are senior authors of four of the studies.

Of particular importance is when microorganisms with advanced photosynthetic metabolism first appeared, since molecular phylogenetics suggests that all three domains would have already appeared and significant evolution must have already taken place (Schopf, 2000 and Olson 2006).

Topics include neutral theory of molecular evolution, rates and patterns of change in nucleotide sequences and proteins, molecular phylogenetics, and genome evolution.

Molecular phylogenetics and diagnosis of Anisakis, Pseudoterranova, and Contracaecum from northern Pacific marine mammals.

A.D. Miller and C.M. Austin, The complete mitochondrial genome of the mantid shrimp Harpiosquilla harpax, and a phylogenetic investigation of the Decapoda using mitochondrial sequences Molecular Phylogenetics and Evolution Volume 38, Issue 3, March 2006, Pages 565 - 574 http://linkinghub.elsevier.com/retrieve/pii/S1055790306001400

Molecular Phylogenetics and Evolution 38 (3): 565 - 574.

S. L. Page and Morris Goodman, «Catarrhine phylogeny: Noncoding DNA evidence for a diphyletic origin of the mangabeys and for a human - chimpanzee clade,» Molecular Phylogenetics and Evolution 18 (1): 14 - 25 (January 2001).

Not exact matches

From the progressive order of the fossil record, phylogenetic analyses confirming these relationships, to observable instances of speciation and molecular artifacts like our gene for egg yolk protein, the evidence firmly supports evolution.

«Despite an inability to demonstrate the monophyly of all Strombus subgenera, phylogenetic relationships inferred here using molecular data generally support the taxonomic classifications proposed by Abbott.»

The article published on the journal Molecular Biology and Evolution provides the framework for posing new hypotheses on the phylogenetic relations among poriferans, determining gene function in sponges and the early evolution of molecular complexity in mMolecular Biology and Evolution provides the framework for posing new hypotheses on the phylogenetic relations among poriferans, determining gene function in sponges and the early evolution of molecular complexity in mmolecular complexity in metazoans.

Professor Lo, who co-leads the Molecular Ecology, Evolution and Phylogenetics laboratory in the School of Life and Environmental Sciences, said termites had become heavyweights of the animal kingdom and despite their minute size, their global cumulative weight topped humans and was second only to cattle.

Research interests: Molecular Ecology, Evolutionary Biology, Conservation Biology, Phylogenetics, Population Genetics, Phylogeography

Research interests: Primate evolution, biogeography and systematics - Strepsirhines - Molecular evolution and phylogenetics - Conservation and population genetics - Vocal communication and behavior - Mathematical modeling

Today, many ecological and evolutionary studies depend on a wide range of molecular tools to infer phylogenetic relationships, uncover population structure within species, and track quantitative traits.

Emma Teeling, PhD, MSc, BSc established the Laboratory of Molecular Evolution and Mammalian Phylogenetics in 2005 and is the Founding Director of the Centre for Irish Bat Research at University College Dublin (UCD), Ireland.

The projects will provide training in: current molecular biology techniques (including RNA interference, genetic transformation, analyses of gene expression); cell biology techniques (cell culturing, cell transfections, imaging); protein biochemistry (2D electrophoresis, protein functional analyses); and bioinformatics (structure predictions, phylogenetic analyses; molecular interactions).

Phylogenetic analysis and expression profiling of the pattern recognition receptors: Insights into molecular recognition of invading pathogens in Manduca sexta

Phylogenetic position of phylum Nemertini, inferred from 18s rRNA sequences: Molecular data as a test of morphological character homology.

The phylogenetic position of Brachiopoda - a comparison of morphological and molecular data.

Phylogenetics and Molecular Divergence of Tilapia Fish (Oreochromis Species) Using Mitochondrial D - Loop and Cytochrome b Regions

Molecular Cloning and Phylogenetic Analysis of a Chitin Deacetylase Isolated from the Epidermis of the Red Snow Crab Chionoecetes japonicas