Sentences with phrase «phylogenetic trees of»

By identifying haplotypes from single - molecule reads, the authors were able to construct phylogenetic trees of the leukemic cells in a single patient, something that could only be done on the 454 platform.

The task, for example, of grafting the history of salvation onto to the phylogenetic tree of human evolution does not belong to the teaching office of the Church.

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

(A) Unrooted phylogenetic tree of EBOV samples; each major clade corresponds to a distinct outbreak (scale bar = nucleotide substitutions per site).

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.

This image depicts a phylogenetic tree of over 3,800 high quality and non-redundant bacterial genomes.

Additionally, analysis of the phylogenetic tree of the zika viruses detected in Libreville confirms that it was a strain belonging to the old African line.

Phylogenetic tree of Borrelia burgdorferi isolates based on rDNA spacer sequence.

Phylogenetic tree of S. Bovismorbificans isolates, which plots the relationships between isolates.

Our results demonstrate that United Kingdom and Ireland MDR isolates are a highly diverse population drawn from across the global phylogenetic tree of K. pneumoniae and represent multiple recent international introductions that are mainly from Europe but in some cases from more distant countries.

Not exact matches

As phylogenetic analysis becomes increasingly robust, it has become clear that the traditional «Tree of Life» diagram is insufficient to relay the myriad complexities of genomic movement and adaptations in the evolutionary process.

Regarding phlyogeny v. phylogenetics, if what you meant to say was that phylogeny based on morphology has been shown to be false or is confounded by unreasonably high error rates in light of phylogenetic techniques, you're patently incorrect as the prior trees based on morphology have consistently, albeit not perfectly, matched the trees produced by genetic comparisons.

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.

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.

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.

My tgf - beta gene was part of a big family of genes, and I began making phylogenetic trees in order to better understand how it was related to the other family members.

«The key is having a phylogenetic tree to understand how these species are related to one another and the amount of time that has taken place between different evolutionary branching events,» said lead author Will Gearty, a graduate student at Stanford Earth.

Bowern counters that the phylogenetic methods are actually ideal for investigating borrowing, because you can test models with different rates of borrowing and see how well the resulting trees match known facts.

Despite the dynamic nature of the virus, most research labs construct phylogenetic trees gene - by - gene.

«We found that the evolutionary tree of the bacteria reflects the phylogenetic patterns seen in the lice,» said Boyd.

«I needed the genomes and an accurate phylogenetic tree to do the kind of analysis we want to do,» Jarvis says.

The Zhang - Gilbert collaboration aimed to resolve uncertainties in the avian phylogenetic tree by sequencing a variety of species.

The bar to revise a tree that had stood decades of previous phylogenetic analyses ought to be pretty high, Brusatte says.

Professor Gert Wörheide of LMU said: «Indeed, a flip - flopping dataset is a dataset that supports different evolutionary histories or phylogenetic trees, when analysed using different evolutionary models.

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.

Our current concept of the origin of the eukaryotic cell is in flux, however, and an evolutionary sequence that appears simple when conceptualized on a phylogenetic tree diagram may be far more complex and interesting in reality.

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

One of the outputs of the evolutionary analysis of genomes is the reconstruction of phylogenetic trees that map out common ancestors, their descendants, and the relationships between the different species.

«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.

These bursts were found in phylogenetic trees created for 22 microbial communities, chosen to represent a breadth of habitat types: plant, marine, and human gut and skin.

SATe - II: Very fast and accurate simultaneous estimation of multiple sequence alignments and phylogenetic trees

The absence of a single gene tree identical to the avian species tree is consistent with studies in yeast (82), indicating that phylogenetic studies based on one or several genes, especially for rapid radiations, will probably be insufficient.

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.

«Bovine strains seemed to occupy deeper parts of the phylogenetic tree — they were closer to the root than the human strains.

A 2009 Science paper that used Helicobacter pylori bacteria to trace the peopling of the Pacific relied on Treefinder to produce the microbes» phylogenetic tree.

«Jellyfish are perfect candidates for this kind of research while holding a key position at the phylogenetic base of the metazoan tree,» says first author Katharina Bading, former Master student at GEOMAR and now PhD student at NTNU, Norway.

Virologist Bart Haagmans of Erasmus MC in Rotterdam, the Netherlands, says he has submitted a letter to NEJM to point out this issue, as well as what he claims are errors in the phylogenetic tree in Madani's paper.

Drawing on Darwin's theory of evolution, Haeckel created the first Darwinian phylogenetic «tree of life» of organisms exactly 150 years ago in Jena, and published it in his major work, the «General morphology of organisms».

They mapped these ranges to a phylogenetic tree — a diagram which shows the evolutionary relationships of each passerine species and their common ancestors — to reconstruct where ancestral passerines lived.

The researchers then produced a phylogenetic tree and analyzed «conflicts» in it; formation of new baleen species, they conclude, occurred not via classical Darwinian patterns but instead by a more gradual process.

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.

First, they looked at Colless's index of phylogenetic tree imbalance, which indicates whether the distribution of new discoveries throughout a family tree is random or biased.

The whole - genome nucleotide phylogenetic tree is reconstructed from a multiple sequence alignment of all 95 unique, fully - sequenced adenovirus genomes in GenBank and TMAdV.

Following in the footsteps of Charles Darwin, they grow phylogenetic trees — branching diagrams that depict lines of evolutionary descent back to a common ancestor.

«Reading a Phylogenetic Tree: The Meaning of Monophyletic Groups.»

Benton, Michael J. «Finding the tree of life: matching phylogenetic trees to the fossil record through the 20th century.»

The TMRCAs of major phylogenetic clades observed in the whole - exome tree represent upper boundaries for population split times.

Phylogenetic inference was carried out for each supermatrix using Exascale Maximum Likelihood (ExaML) v1.0.2 (sco.h-its.org/exelixis/software.html) under the «GAMMA» model of nucleotide substitutions and the starting trees generated above.

Placed into a phylogenetic context, this will help clarify to what extent these associations result from convergent or parallel evolutionary processes and why melanin - phenotype associations are so common across the tree of life.

We present the genomes of six whales, including the blue whale (Balaenoptera musculus), to reconstruct a species tree of baleen whales and to identify phylogenetic conflicts.