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Phylogenetics in Medical News

Evolutionary history of SARS supports bats as virus source

... analyze the massive amounts of data, comparing the viral genomes and building what is called a phylogenetic tree by searching for shared mutations. phylogenetics is the study of the evolutionary relationships among various biological species, or in this case, viruses, believed to have a common ancestor. The ...
Phylogenetics in Biological News

U of Minnesota research reveals critical role of evolutionary processes in species coexistence

... community ecology. The team comprehensively synthesized emerging work that applies knowledge of evolutionary relationships among different species phylogenetics to understanding species interactions, ecosystems and biodiversity. The work, published in the May issue of Ecology Letters , was conducted by a ...

Animals that seem identical may be completely different species

... as much as the equivalent difference between humans and chimpanzees. The research results, which are being published in the journal Molecular phylogenetics and Evolution , could have major consequences. For example, the worms are frequently used for laboratory testing around the world, to examine the ...

Study: Excessive use of antiviral drugs could aid deadly flu

... into context and see the trajectory of the change," Janies said. The result is called a phylogenetic tree that documents the shared mutations. phylogenetics is the study of the evolutionary relationships among various biological species believed to have a common ancestor. In this analysis, the ...

Powerful online tool for protein analysis provided pro bono by Stanford geneticist

... proteins encoded in the human genome. Human geneticists, too, will benefit from ProPhylER (a play on words derived from the bulkier term "PROtein phylogenetics and Evolutionary Rates"). Each of us carries tens of thousands of protein variants (due to mutations that have persisted in the human gene pool), ...

Revealing the evolutionary history of threatened sea turtles

... formed a well-supported phylogenetic tree, or cladogram, that tells the story of sea turtle evolution and is reported in the journal Molecular phylogenetics and Evolution . "The evolution of a specialized diet appears to have occurred three times, independently," says Naro-Maciel. "Many sea turtles ...

Entomological Society of America names new Fellows for 2008

... and the Caribbean basin, and also on the neotropical moth family Castniidae. Her research focuses on the life history, systematics, taxonomy, and phylogenetics of Lepidoptera , including fossil Lepidoptera . These investigations have provided clues and/or supportive data to our understanding of the higher ...

Moss genome shows how plants invaded the land and learned to survive heat and drought

... effort within the Berkeley Natural History Museums - a consortium of six museums at UC Berkeley - to link the two. "This is a great example of how phylogenetics can integrate with functional and applied studies." Mishler noted that the draft genome sequence is only the beginning. Plant scientists plan to ...

DOE JGI Community Sequencing Program delivers first moss genome

... available to the public greatly advances bioinformatic comparisons and functional genomics in plants, said Mishler. This is a great example of how phylogenetics can integrate with functional and applied studies. Furthermore, Quatrano said, unlike vascular plant systems, we can target and delete specific ...

Genome comparison of 12 fruit fly species

... the first time that a comparison of genomes has been carried out with twelve closely related species, each representing distinct lineages within the phylogenetics of the Drosophila genus (which contains over 2000 different species). The evolutionary distance between them varies from one million years (between ...

LSU professor studies army-ant-following birds

... of how the specialization evolved had not yet been examined, Brumfield said. The team published their findings in this months issue of Molecular phylogenetics and Evolution. Using a hypothesis of the evolutionary relationships among antbird species that we reconstructed from DNA gene sequences, what we ...
Phylogenetics in Biological Definition

Biology

... and analyze evolutionary relationships through various methods, including phylogenetics , phenetics , and cladistics . Major events in the evolution of life, as ... fields which are often considered part of evolutionary biology are phylogenetics , systematics and taxonomy . The two major traditional ...

Parasitology

... 1.3 Parasite ecology and population genetics 1.4 Taxonomy and phylogenetics 2 See also 3 External links Fields The study of ... interesting application of the Red Queen hypothesis . Taxonomy and phylogenetics The huge diversity within the parasitic animals creates a challenge for ...

Fungus

... W. G. Weisburg, and M. L. Sogin. 1993. Evolutionary relationships within the fungi: analysis of nuclear small subunit rRNA sequences. Molecular phylogenetics and Evolution 1:231 241. Hawksworth, D. L. 1991. The fungal dimension of biodiversity: magnitude, significance, and conservation. Mycological ...

Monophyletic

... In phylogenetics , a group is monophyletic ( Greek : of one stem ) if all organisms in that group are known to have developed from a common ancestral form, and ...

Molecular biology

... are used to infer historical attributes of populations or species , as in fields in evolutionary biology such as population genetics and phylogenetics . There is also a long tradition of studying biomolecules "from the ground up" in biophysics . Techniques of molecular biology Since the ...

Molecular evolution

... selection, in turn, acts on the variation produced by these agents. Molecular study of phylogeny Main articles: Molecular systematics , phylogenetics Molecular systematics is a product of the traditional field of systematics and molecular genetics . It is the process of using data on the ...

Paraphyletic

... In phylogenetics , a grouping of organisms is said to be paraphyletic ( Greek para = near and phyle = race) if all the members of the group have a common ...

Phylogenetics

... In Biology , phylogenetics ( Greek : phylon = race and genetic = birth) is the taxonomical classification of organisms based on how closely they are related in terms ...

Zoology

... in the articles on evolution , population genetics , heredity , variation , Mendelism , reproduction . Systematics , cladistics , phylogenetics , phylogeography , biogeography and taxonomy classify and group species via common descent and regional associations. In addition the ...

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Phylogenetics in Biological Dictionary

Phylogenetics

... In biology, phylogenetics is the study of evolutionary relatedness among ... data and morphological data matrices. The term phylogenetics is of ... phylogenetics is the taxonomical classification of organisms ...

Molecular phylogeny

... phylogenetic analysis is expressed in a phylogenetic tree. In biology, phylogenetics is the study of evolutionary relatedness among various groups of ... molecular sequencing data and morphological data matrices. The term phylogenetics is of ... A site dedicated to Microbiology ... Molecular ...

Polytene

... on Thesaurus | Reference ... posted to variegation polytene heterochromatin h3k9me2 h3k20me2 h1 euchromatin ... posted to inversion phylogenetics polytene by cisevol to the group Drosophila ... Polytene Chromosomes of Drosophila ... fruit fly oocyte possess polytene chromosomes, ...

Plastid

... polymerases: ... plants a small family of nuclear genes encodes the plastid sigma factors. ... Plastid Genome Evolution and Flowering Plant phylogenetics ... Indeed, the plastid genome has been the workhorse of plant systematics since the ... Plastid -associated genes in dinoflagellates ...

Phylogenetic tree

... biological species or other entities that are believed to have a common ancestor. In a phylogenetic tree , each node ... Computational phylogenetics is the application of computational algorithms, methods and programs to phylogenetic analyses. The goal is to assemble a phylogenetic tree ...

Molecular evolution

... Evolution ... Molecular evolution integrated at organism and higher levels: population biology; ... The online version of Molecular phylogenetics and Evolution on ScienceDirect, the world's leading platform for high quality peer-reviewed full-text publications in ... ...

Cladistics

... Greek κλάδος, klados, "branch", is the hierarchical classification of species based on phylogeny or evolutionary ancestry. The term phylogenetics is often used synonymously with cladistics ... tutorial from the Understanding Evolution website covering: how to read an evolutionary tree, ...

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