Sentences with phrase «from phylogenetic»

Life history evolution of marine invertebrates: new views from phylogenetic systematics.

In other cases, such as cud chewing, they need to be inferred from the phylogenetic relationships of the fossil forms.

Estimating the distribution of selection coefficients from phylogenetic data with applications to mitochondrial and viral DNA.

Estimating the distribution of selection coefficients from phylogenetic data with applications to mitochondrial and viral DNA Nielsen, R. and Z. Yang.

Treating each tale as a species that mutates over time, they've borrowed techniques from phylogenetics (the study of evolutionary relationships between living organisms) to map stories onto the tree of Indo - European languages.

Fitch parsimony was coopted from phylogenetics rather than developed explicitly for historical biogeographic reconstruction.

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.

According to the intention of its founder, genetic epistemology should examine how scientific thinking, as it pertains to the established sciences, becomes possible in the development of the individual from child to adult; genetic epistemology should further ask about the relationships between this ontogenetic process and the phylogenetic process of the history of humankind as the history of science.

In fact, their taxonomic analysis displaces it from its alleged perch on the phylogenetic tree: «The Haarlem specimen is not a member of the Archaeopteryx clade,» says Rauhut, a paleontologist in the Department of Earth and Environmental Sciences at LMU who is also affiliated with the Bavarian State Collections for Paleontology and Geology in Munich.

In phylogenetics, organisms are grouped by ancestry; a reptile in this system includes any animal descended from the original group called reptiles.

The team combined the new fossil evidence with previously collected genetic data from living birds to update the phylogenetic tree of bird evolution.

To better understand how frogs evolved, scientists created a new phylogenetic tree — a branching diagram of evolutionary relationships — using data from hundreds of frog genomes.

The investigators examined 181 bacterial genomes taken from the female urinary microbiome, which Dr. Putonti said were representative of that microbiome's phylogenetic diversity.

However, the results of more recent phylogenetic analyses, derived from comparisons between sequences of specific genes and of whole genomes, seemed to point to Ctenophora as the first group that parted company with the lineage from which the rest of the animal kingdom (including sponges) evolved.

The paper, titled: «A new basal sauropodiform from South Africa and the phylogenetic relationships of basal sauropodomorphs,» was published online on Tuesday, 23 June 2015.

In addition, if a classification not directly matching a specific family is found, it allows a phylogenetic tree to be extracted from the application to determine the malware's possible ancestors.

Researchers from Emory University in Atlanta report in the online journal PLoS Neglected Tropical Diseases that they used phylogenetics — the study of the evolutionary link between organisms — to study 26 geographically scattered strains of a family of bacteria known as Treponemes, which are behind the sexually transmitted disease syphilis as well as related nonvenereal infections such as yaws.

Phylogenetic comparison to all 20 genomes from earlier outbreaks suggests that the 2014 West African virus likely spread from central Africa within the past decade.

Maximum likelihood phylogenetic estimation from DNA sequences with variable rates over sites: Approximate methods

The phylogenetic mosaic of chlamydial genes, including a large number of genes with phylogenetic origins from eukaryotes, implies a complex evolution for adaptation to obligate intracellular parasitism.

Instead, phylogenetic analysis shows Przewalski's horses are feral, descended from the earliest - known instance of horse domestication by the Botai people of northern Kazakhstan some 5,500 years ago.

«Phylogenetic reconstruction confirmed that domestic horses do not form a single monophyletic group as expected if descending from Botai,» the authors wrote.

The fossilized skeleton is thought to date from the late Miocene and is unusually complete, providing the researchers with new anatomical and phylogenetic data.

The relationships between the various cancerous cells from a single person can be plotted out in much the same way as evolutionary biologists plot relationships between species: by drawing phylogenetic trees, branching diagrams that trace «descendants» back to a common ancestor.

Farrell analyzed highly conserved DNA sequences from 115 species of the herbivorous beetle subfamilies, sampling up to six species from each, to create a phylogenetic tree showing the likely evolutionary relationships of today's beetles and when they diverged from common ancestors.

Genomic and phylogenetic analysis previously suggested that genetic evolution transformed the mosquito - borne pathogen from one that causes fairly mild ailments to one that can result in birth defects and neurological impairment.

Nevertheless, the eukaryotic stem on the phylogenetic tree of life spawns many branches before one gets to the split that separates the ancestors of plants from the ancestors of animals, which seems to have happened more than a billion years ago.

An international team from 8 countries, led by animal ecologist Satoshi Ohdachi at Hokkaido University, analyzed the phylogenetic information (including existing data) of 169 house shrews.

The scientific paper describing the find, entitled «The oldest Asian Hesperornithiform from the Upper Cretaceous of Japan, and the phylogenetic reassessment of Hesperornithiformes,» has been posted on the Journal of Systematic Palaeontology website.

In their studies on phylogenetics and biogeography, Besnard and his colleagues have also sequenced DNA from preserved plants in herbaria.

«A striking feature of the phylogenetic tree based on S. aureus whole genome sequencing was the presence of multiple distinct clades,» said senior author Sharon Peacock from the University of Cambridge and Wellcome Trust Sanger Institute.

DNA sequencing of the fungi in the samples identified fragments of DNA, called phylogenetic markers, which can be counted and used to distinguish one type of fungus from another.

Phylogenetic relationships and ancestral areas of the bustards (Gruiformes: Otididae), inferred from mitochondrial DNA and nuclear intron sequences

Selection of conserved blocks from multiple alignments for their use in phylogenetic analysis

Biogeographic and phylogenetic implications of an early Miocene wren (Aves: Passeriformes: Acanthisittidae) from New Zealand

Earliest tinamous (Aves: Palaeognathae) from the Miocene of Argentina and their phylogenetic position

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

The researchers sequenced the genomes of 43 different CC97 isolates from humans, cattle, and other animals, and plotted their genetic relationships in a phylogenetic tree.

Janet Sinsheimer from the biostatistics department used phylogenetic methods to determine the rate of evolution of HIV.

«Based on linguistic analysis including computational phylogenetics,» Sicoli writes, «we suggest the prehistory of South Alaska, the Aleutian Islands, and the Pacific Northwest Coast involved intensive language contacts, including language shifts from now extinct languages that we can infer through typological features, grammar and vocabulary found in languages documented in historic periods.»

An integrative description of Macrobiotus shonaicus sp. nov. (Tardigrada: Macrobiotidae) from Japan with notes on its phylogenetic position within the hufelandi group.

A German scientist has barred researchers in «immigration - friendly» countries from using Treefinder, a software program he invented for building phylogenetic — or evolutionary — trees.

In September, German scientist Gangolf Jobb announced on his website that researchers in eight European countries, including Germany and the United Kingdom, were no longer allowed to use Treefinder, which builds phylogenetic trees from sequence data.

The phylogenetic analysis revealed no differences between their Black Death strain from Barcelona and previously genotyped strains from mid-14th-century London.

It also allowed the researchers to use phylogenetic software to pinpoint when Palmophyllales branched off from related plant species.

Previously, more species in the tropics led to the assumption that temperate, migratory species are derived from tropical, nonmigratory ancestors; however, the results of our phylogenetic study suggest that the opposite pattern happened often in this group.»

With the help of phylogenetic analysis, scientists describe three new fungus species from New Zealand.

In parallel, we use high throughput sequencing methods to obtain both deep phylogenetic rDNA / rRNA tag data and metagenomic and metatranscriptomic functional profiles from size fractions covering the entire plankton community from viruses to fish larvae (Figure 2B and 2C).

A multiple sequence alignment of selected genes from all 95 unique, fully - sequenced adenovirus genomes in GenBank and TMAdV is performed and the results displayed as a radial phylogenetic tree.

Detailed phylogenetic analyses of several virus genes, some of which used complete CDV genomes, revealed that strains from lions and hyenas during the 1993/1994 epidemic were strongly distinct from those in domestic dogs and wild canids.