Sentences with phrase «phylogenetic trees»

Phylogenetic trees were constructed using the nt sequences of nonstructural protein gene ORF1a and ORF1b.

«Previously, phylogenetic trees were constructed from standard sets of genes and were used to identify the relationships of species,» said Gloria Coruzzi, a professor in New York University's Center for Genomics and Systems Biology and the principal investigator of the NSF grant.

Additional lines are being developed to analyze next - generation sequencing transcriptome data, and to construct and work with phylogenetic trees.

Bootstrapped (1000 times) neighbor - joining phylogenetic trees were generated by MEGA (version 3.1).

DNA Subway ties together key bioinformatics tools and databases to assemble gene models, investigate genomes, work with phylogenetic trees and analyze DNA barcodes.

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

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

Explore data and information published by the scientific community on chromatin biology mapped onto phylogenetic trees.

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.

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.

Novel information theory - based measures for quantifying incongruence among phylogenetic trees

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

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.

«And these bursts are there throughout these phylogenetic trees, deep within their history.»

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.

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

Phylogenetic trees add an extra dimension to our endeavours which is why this approach is so special.

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.

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.

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

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 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.

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.

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 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.

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.

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

«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.

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.

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.

It's on the phylogenetic tree.

Focusing on specific genes or regions is an especially good strategy for taxonomy projects, where variation in a few genes is often sufficient to place an organism on a phylogenetic tree.

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

He mapped pollen state (bi - vs tri --RRB- onto a phylogenetic tree and found that tricellular families always appeared to be nested within bicellular families.

To figure out which species within that complex are causing problems for the turtle eggs, the researchers had to build a fungal phylogenetic tree based on DNA.

A family tree, also known as a phylogenetic tree, uses DNA to show how new species have evolved over time.

«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.

The specific palm species and its place on the palm family phylogenetic tree determines its minimum cold tolerance.

They then genotyped each sample to determine how the strains were related, and used previous datasets to compare this data and integrate the results in a new phylogenetic tree with other M. bovis found throughout Africa.

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.

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.

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.

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.