Sentences with phrase «new gene evolution»

Besides the classic model of new gene evolution through gene duplication and functional divergence, other mechanisms are receiving increasing attention as a source of evolutionary innovation.

Not exact matches

The Strategy of the Genes: A Discussion of Some Aspects of Theoretical Biology (London: Allen and Unwin, 1957); Hardy, Sir Alister, The Biology of God: A Scientist's Study of Man the Religious Animal (New York: Taplinger Publishing Company, 1976); by the same author, The Living Stream: A Restatement of Evolution and its Relation to the Spirit of Man (London: Collins, 1965), and The Divine Flame: An Essay Towards a Natural History of Religion (London: Collins, 1966), Vols.
At the heart of your Behe article are two concessions which simply don't support ID: 1) the ability of evolution to produce functional novelty via gene duplication / mutation and exaptation exists; and 2) that evidence of «new information» in the form of «new Functional Coded elemenTs, or «FCTs»» also exists.
The new study «adds fuel to an active debate» about the role of accessory genes, says Alan McNally, a microbiologist at the University of Birmingham in England — whether or not the collections of genetic add - ons that bacteria maintain are shaped by natural selection, the process that fuels evolution.
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 mEvolution 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 mevolution of molecular complexity in metazoans.
The study illustrates the genetic foundation of evolution, including how genes can flow from one species to another, and how different versions of a gene within a species can contribute to the formation of entirely new species, the researchers report in the journal Nature.
Our Post-Darwinian Future Pluripotentstem cells, gene targeting, and artificial chromosomes could leapfrog over evolution and let us take control of our genome, maybe even turn ourselves into a whole new species.
New discoveries about the rules governing how genes encode proteins have revealed nature's sophisticated «programming» for protecting life from catastrophic errors while accelerating evolution
However, all regions of the human brain have molecular signatures very similar to those of our primate relatives, yet some regions contain distinctly human patterns of gene activity that mark the brain's evolution and may contribute to our cognitive abilities, a new Yale - led study has found.
«This is a completely new way of transmitting genes,» Raoult says, and it could be driving evolution of new species in as - yet - unknown ways.
A new examination of the dolphin genome identifies genes involved in the evolution of large brains.
Various bat species that emit high - frequency squeaks to detect prey and avoid obstacles share a high degree of variation in the FOXP2 gene, according to a new study, suggesting that genetic changes in the gene helped promote the evolution of this ability.
That surprisingly low number suggested the evolution of new species was accompanied by rapid turnover of the venom genes, with old genes being abandoned and new ones with novel venom functions suddenly arising.
The massive project, carried out by a private company in the country, deCODE genetics, has yielded new disease risk genes, insights into human evolution, and a list of more than 1000 genes that people can apparently live without.
The discovery that mutations accumulate at steady rates over time in the genes of all lineages of plants and animals has led to new insights into evolution at the molecular and the organismal levels
Researchers examining the genes of different species of aphids and of their individual gut bacteria found that the emergence of new species of aphids during evolution was mirrored by speciation events in the insects» Buchnera symbionts.
the new information enabled the researchers to clarify aspects of the barley genome that are important in the context of genome evolution and for practical use of genome knowledge by plant breeders and basic researchers — namely, the locations of gene - rich regions including some that have low recombination
Simon Fisher, a molecular neuroscientist at the University of Oxford in England, says the new work shows a better method for dating the evolution of certain genes, as opposed to inferring from changes throughout human evolution.
The study showed that the two new species continued to lose genes but from different regions of their genomes, indicating that during their evolution they occupied different biological roles and mechanisms to ensure survival.
«If we could understand better how these proteins with these additional «integrated» domains were formed during recent evolution, then there is a good chance that we could engineer genes with specific domains to provide resistance to new types of pathogen attack,» says Paul Bailey, lead author of the study who performed the phylogenetic analysis.
They've found new disease risk genes, insights into human evolution — and a list of more than 1000 genes that people can apparently live without!
Throughout the experiment, the researchers kept track of how the gene changed and determined the mutations underlying the evolution of new strains.
The researchers propose that the rapid evolution and wholesale remodeling of the Y chromosome in both species have been caused by several mechanisms, including the competitive advantage gained by developing new genes for sperm production.
Researchers have long assumed that these dramatic transitions resulted in a sort of accelerated evolution in which genes for traits such as skin color and stature changed rapidly to allow humans to survive in their new habitats.
Early investigations into the nature of genetic evolution proposed two potential mechanisms for the origin of new features: gene duplication and divergence, and regulatory changes in gene expression.
Most importantly, this body of work has uncovered some of the first direct evidence for the central role of changes in gene cis - regulatory sequences in the evolution of body plans and body parts and in the origin of new structures and pattern elements.
We are currently using this new paradigm to define the expression and function of other hominoid - and human - specific gene duplications during brain development and evolution.
«The discovery of the DMRT3 mutation is an outstanding example of how genetic studies of the evolution in domestic animals can lead to basic new knowledge concerning gene function and important biological mechanisms», states Leif Andersson.
A new study from SciLifeLab / Uppsala University published in PLOS ONE shows that genes crucial for vision were multiplied in the early stages of vertebrate evolution and acquired distinct functions leading to the sophisticated mechanisms of vertebrate eyes.
The explosion in the number of newly sequenced genomes provides opportunities to identify and characterize examples of these lateral gene transfer events, and to assess their role in the evolution of new genes.
The sequencing studies, reported in the December 16, 1999, issue of the journal Nature, provide a great deal of new information about chromosome structure, evolution, and gene organization in plants.
October 18, 2011 Young human - specific genes correlated with brain evolution Young genes that appeared since the primate branch split from other mammal species are expressed in unique structures of the developing human brain, a new analysis finds.
The new findings also give scientists clues about how gene duplications can drive evolution.
The reversal suggests that smaller changes in multiple genes may have been the primary driver of changes in human phenotypes, and that new models are needed to retrace the genetic steps of evolution.
Background: Horizontal transfer of mobile genetic elements (MGEs) that carry virulence and antimicrobial resistance genes mediates the evolution of methicillin - resistant Staphylococcus aureus, and the emergence of new MRSA clones.
The finding that sexual isolation may be brought about by changes in at most a few genes argues against the evolution of new species in this manner by long - term runaway processes, as dictated by evolutionary dogma, Coyne said.
Players get all new evolutions, abilities and genes to help them fight for global control and destroy their opponent!
If a changed gene can not be shown to act differently or to have a demonstrated new physiological effect on the animal in question, the changes themselves mean next to nothing — especially for evolution!
Co-authors Dr. Gene E. Likens, President Emeritus of the Cary Institute of Ecosystem Studies in New York, and Dr. Adam M. Wilson, a geographer at the University of Buffalo, analyzed nearly 10 years of Wikipedia's evolution in reaching their conclusions.
a b c d e f g h i j k l m n o p q r s t u v w x y z