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 m
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 m
evolution 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.