Sentences with phrase «gene evolution researchers»

January 20, 2000 «Maleness» gene evolution Researchers Chung - I Wu and Gerald Wyckoff report that genes pertaining to male reproduction — those involved in sperm production, transfer and morphology — evolve much faster than their non-sexual counterparts.

Not exact matches

Published in GigaScience, the open source Galaxy workflow allows researchers to make easier work of finding gene families; an important tool when it comes to analysing the evolution, structure and function of genes across species.

An additional study, currently available at bioRxiv, led by the researchers from the CRG and Cold Spring Harbour Laboratory, highlights the fact that a substantial part of human and mice genes have maintained an essentially constant expression throughout evolution, in tissues and various organs.

While the researchers don't know precisely how the gene influences beak size, the work may help scientists better understand the genetic underpinnings of evolution, she says.

So some researchers have started with clinical mutations that impair key traits, then traced the genes» evolution, an approach that has identified a handful of tantalizing genes.

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.

«This is an interesting example where mild mutations in a gene that is critical for normal development leads to phenotypic [observable] evolution,» said lead researcher Leif Andersson, a professor of functional genomics at Uppsala University, the Swedish University of Agricultural Sciences, and Texas A&M University.

Steve: So, this gene duplication business is so interesting and it has such profound importance in evolution and researchers realize that, but I don't think that news has really gotten out to the general public in a lot of ways that in the modern evolutionary theory play book, gene duplication has a really big role.

Researchers are now finding hints that cells» efforts to keep nuclear and mitochondrial genes in sync could play a major role in evolution.

The researchers used a high - throughput approach to mutate all of the genes in a virus in one experiment — a useful way to understand the future of viral evolution.

The second insight involved changes in the evolution of gene regulation: As social complexity increased, so did the speed of changes to parts of the genome involved in regulating gene activity, located in the promoters of the genes, the researchers report.

The newly created Paul G. Allen Frontiers Group has selected four initial researchers — Jennifer Doudna of the University of California (UC), Berkeley, Ethan Bier of UC San Diego, James Collins of the Massachusetts Institute of Technology in Cambridge, and Bassem Hassan of the Brain and Spine Institute in Paris — to receive $ 1.5 million each to study topics ranging from novel techniques for gene editing, how shapes and forms arise over the course of evolution, and how synthetic biology can create microbes that trap and kill dangerous bacteria.

Because other Bmp genes exist, and they're found across the tree of life, the researchers say that the mechanism discovered here could also reveal how other organisms have lost body parts throughout evolution.

Hence, the researchers concluded that these genes might have been positively selected by evolution for a long and healthy life.

So researchers are putting forth the radical proposal that plants contain an inheritable cache of RNA that can reverse evolution, undoing mutations and restoring a gene to its former glory.

The researchers» results suggest that structural and functional differences between queens and workers result from the differential expression of evolutionary conserved sets of genes, or genes that are basically expressed in the same manner throughout evolution among all ant species.

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

And researchers at Stanford University School of Medicine report in Genome Research that they linked the evolution of a gene in the old platypus to a mutated version in humans responsible for moving the testes outside of the body and into an external pouch, or scrotum.

To determine whether shifts in the balance of anterior and posterior field occurred during fin - to - limb evolution, Onimaru, postdoctoral researcher currently at Sharpe's lab (CRG), and his colleagues carefully compared the expression, function and regulation of genes involved in anterior - posterior patterning in pectoral fins of catsharks, with those of mice.

And since that time, researchers have discovered a spate of human genes that evolution has strongly favored recently, such as mutations that help highland Tibetans survive at high altitude, Yupik Eskimos to stay warm efficiently, Europeans to thrive on cereal grains, and East Asians avoid alcoholism.

Throughout the experiment, the researchers kept track of how the gene changed and determined the mutations underlying the evolution of new strains.

Further genetic studies should enable researchers to identify other genes that have been dropped or acquired through evolution, giving microorganisms the characteristics they need to colonize their hosts and cause disease.

Washington State University researchers say environmental factors are having an underappreciated effect on the course of disease and evolution by prompting genetic mutations through epigenetics, a process by which genes are turned on and off independent of an organism's DNA sequence.

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.

The researchers, who report their findings 2 April in Lancet, say there were two major steps in the lineage's evolution: First S. aureus acquired the gene for the Panton - Valentine leukocidin toxin, becoming the virulent 80/81 strain.

For example, the researchers showed that a gene known as Sim1, which contains an ASHCE, may be associated with the evolution of flight feathers.

Other researchers have looked beyond changes in behavior or physical features for «parallel evolution» in the genes, finding, for instance, that different insects alter the same DNA to help them feed on toxic plants.

PULLMAN, Wash. — Washington State University researchers say environmental factors are having an underappreciated effect on the course of disease and evolution by prompting genetic mutations through epigenetics, a process by which genes are turned on and off independent of an organism's DNA sequence.

This resource will be valuable for researchers studying gene expression patterns in coral reproductive cycles and evolution of the genus Acropora.

Already, the genome's tales are revealing how genetic variants contribute to disease, giving researchers insights into human evolution and even changing how scientists define a gene.

Howard Hughes Medical Institute researchers have identified a gene that appears to have played a role in the expansion of the human brain's cerebral cortex — a hallmark of the evolution of humans from...

With no tell - tale signs of whole genome duplication, the researchers say, the octopus must have instead duplicated specific regions of its genetic code — and acquired totally novel genes — over the course of its evolution.

This symposium intends to gather researchers interested in various aspects of floral evolution: from deciphering the genes and gene networks involved in specific trait evolution to reconstructing ancestral states of floral traits.

Researchers at the Center work on a wide variety of applications, including autism, cancer, neuroscience, plant biology, gene regulation and evolution.

Instead, the researchers developed a high - throughput selection assay, CREATE (Cre REcombinase - based AAV Targeted Evolution), that allowed them to test millions of viruses in vivo simultaneously and to identify those that were best at entering the brain and delivering genes to a specific class of brain cells known as astrocytes.

The researchers also found that these brainy animals had an adaptive evolution of their nervous system genes, proving that quality and not just quantity is important.

When they studied the evolution of the sex chromosomes through an analysis of genes on discrete chunks of the X chromosome that are associated with specific time periods in its evolution, the researchers found that two genes, UBE1Y and KDM5D, were retained in both mammals and marsupials.

The researchers believe that many of these paired genes with different functions have driven evolution.

In directed evolution, researchers iteratively modify genes (and their corresponding proteins) and select variants with desired improvements.

«What I find very interesting is that we found different genes may explain the evolution of paternal and maternal care,» researcher Andres Bendesky said, via Harvard Gazette.