By tracking these two major markers, Treangen and Rocha calculated that the prokaryotes they studied acquired between 88 and 98 percent
of new genes through horizontal transfer.
Not exact matches
Marshall points out that the relatively fast appearance
of new animal species in this period is not driven by
new genes, but rather by evolving from existing
genes through «rewiring»
of the
gene regulatory networks (GRNs).
Data access and analysis tools are being made available for the 3K RGP dataset
through the International Rice Informatics Consortium (IRIC), which promotes collaboration in bioinformatics analysis
of rice data and provides computational tools to facilitate rice improvement via discovery
of new gene - trait associations and accelerated breeding.
Professor Bruce Fitt, professor
of plant pathology at the University
of Hertfordshire, added: «This
new understanding
of plant defense
through ETD suggests different operations
of specific resistance
genes which will help us to be more successful in breeding
new strains
of crops for resistance.
Standard forms
of CRISPR
gene drives, as the tools are called, can make tweaked DNA race
through a population so easily that a small number
of stray animals or plants could spread it to
new territory, predicts a...
Standard forms
of CRISPR
gene drives, as the tools are called, can make tweaked DNA race
through a population so easily that a small number
of stray animals or plants could spread it to
new territory, predicts a computer simulation released November 16 at bioRxiv.org.
The other initiates a
new program
of oscillations by activating
genes that normally do not oscillate, principally
through a factor called PPAR - gamma.
But at a meeting in June, the secretive group took stock
of a
new threat:
gene drives, a genetic - engineering technology that can swiftly spread modifications
through entire populations and could help vanquish malaria - spreading mosquitoes.
A decade
of post-genomic biology has also focused
new attention on the regions outside protein - coding
genes, many
of which are likely to have key functions,
through regulating the expression
of protein - coding
genes and by making a slew
of non-coding RNA molecules.
But by investigating the DNA sequence around the resistance
genes, the team figured out how the resistance
genes transfer occurred
through a
new mechanism named «carry back,» where the pathogen basically has a primitive form
of «sex» with the Actinobacterium and takes up its resistance
genes after it dies.
For his part, Collins, who has led NIH since 2009 and been kept on by the Trump administration, pointed to an array
of promising NIH activities, including the development
of new technologies to provide insights into human brain circuitry and function
through the Brain Research
through Advancing Innovative Neuroethologies (BRAIN initiative) and the use
of the
gene - editing tool CRISPR - Cas9 to correct mutations and clear the way to develop and test a «curative therapy» for the first molecular disease: sickle cell disease.
The three Ras
genes found in humans — H - Ras, K - Ras and N - Ras — were among the first to be linked to cancer development, and a
new study led by VCU Massey Cancer Center researcher Paul Dent, Ph.D., has shown the recently approved breast cancer drug neratinib can block the function
of Ras as well as several other oncogenes
through an unexpected process.
«It makes it much easier for researchers working with barley to be focused on attainable objectives, ranging from
new variety development
through breeding to mechanistic studies
of genes.»
The most obvious way for a
new gene to evolve is
through the gradual accumulation
of small, beneficial mutations.
He worries that a live vaccine that uses Vibrio strains whose virulence
genes have been removed may still be capable
of getting
new virulence
genes through its integron.
«The bugs are somehow driving
gene expression in the host
through alteration
of the epigenome,» explains John Denu, a UW - Madison professor
of biomolecular chemistry and a senior researcher at the Wisconsin Institute for Discovery, and a co-author
of the
new study.
Through colorful anecdotes and commonsense explanations, author Richard C. Francis, who holds a Ph.D. in biology, delivers an engaging tour
of the
new science
of epigenetics, the study
of environmental influences on
gene expression.
«
New technology could reduce spread
of antibiotic resistance
genes through compost.»
The
new scheme to chart the «history and geography
of human
genes»
through DNA analysis
of far - flung «primitive» peoples rests on the mistaken assumption that such exotics do not have a history, says Marks.
But the study, conducted
through the
new USTAR Center for Genetic Discovery at the U
of U, shows that Phevor's unique approach allows it to identify disease - causing
genes more precisely than other computational tools.
That scene came to mind as I sorted
through the tawdry verbal wreckage on social media and in print
of the «debate» over CRISPR, the revolutionary
new gene - editing technology.
In a series
of studies this year, molecular geneticists at the University
of Pittsburgh School
of Medicine used a harmless virus to ferry
new genes through the bloodstream, across blood vessel walls, and into almost every muscle cell in the bodies
of hamsters bred to have human genetic diseases.
In human trials, researchers remove some
of patients» T cells
through a process similar to dialysis and then engineer them in a laboratory to add the
gene for the CAR so that the
new receptor is expressed in the T cells.
And, in the future, the potential to insert barcodes in
genes and the development
of in - line ID kits, that recognize specific strains
of cell lines, could make it easier to verify
new organisms and their protein products, and track products
through supply chains.
Through a process called recombination, which had not previously been seen in influenza viruses, parts
of the human and swine virus
genes had joined together to create a totally
new antigen, one that human immune systems were unprepared for (Science, 11 May, p. 1041).
In a paper in the high - impact journal Cell Research, published April 4, 2017, researchers at the Hebrew University
of Jerusalem report the discovery
of an entirely
new mechanism
through which globin
genes are expressed.
In fact, our present understanding
of morphogenesis indicates that
new phyla were not made by
new genes but largely emerged
through the rewiring
of the
gene regulatory networks (GRNs)
of already existing
genes (1).
«These results opened up a whole
new avenue
of investigation for us, and
through that investigation we found a
new function for this
gene.»
A
new study, by researches at Uppsala University, shows now that the memory
of a heart attack can be stored in our
genes through epigenetic changes.
«The bugs are somehow driving
gene expression in the host
through alteration
of the epigenome,» explains John Denu, a UW — Madison professor
of biomolecular chemistry and a senior researcher at the Wisconsin Institute for Discovery, and a co-author
of the
new study.
A
new way to make specific
genes spread faster
through insect populations has been developed, paving the way for novel methods
of combating insect - borne diseases such as malaria.
Other research at U-M is developing
new options for treating brain cancer
through immunotherapy — harnessing the immune system to attack cancer cells once an injection
of a particular
gene therapy is delivered into the brain tumor.
This narrow view has been becoming overshadowed by genetic findings that support the more recent hypothesis
of complex roots, which emphasizes lateral genetic exchanges or horizontal
gene transfers (HGT) rather than vertical mutational progression in the development
of nucleated organisms,
through a clearly defined «tree
of life» (Mark Buchanan,
New Scientist, January 26, 2010).
Most recently, she has led the planning and execution
of a program for a
new gene therapy product candidate, from ideation
through proof -
of - concept study, and mapping out the development plan.
When they increased the concentration
of PU.1, however, the cells quickly passed
through a transitory mixed lineage state and produced
new regulatory proteins that activated macrophage
genes and repressed neutrophil
genes.
In the second study, a team led by Shahin Rafii at Weill Cornell Medicine in
New York City used adult mouse cells as their starting material, and then guided them
through several steps — including exposure to some
of the same
gene - activating proteins — to create mature blood stem cells in a petri dish.
For discovery
of new cancer
genes and mutational processes, aggregation
of tens
of thousands
of cancer genomes is needed — we are establishing a virtual marketplace for exchange
of genomes and informatics and develop increased functionality
through the COSMIC portal.
Similar to how the neck on a soda bottle restricts the amount
of liquid that gets
through, the frontier dogs would bring only some
of their community's
genes with them into a
new area.
Beverly Emerson studies how different
genes are turned on and off
through the course
of a cancer — from the time cells become precancerous until the time they develop into a mature cancer and spread to
new organs.
Through systematic annotation
of the resulting movies, we developed a phenotypic profiling system, which shows high correlation with cellular processes and biochemical pathways, thus enabling us to predict
new functions for previously uncharacterized
genes.
GMOs, or «genetically modified organisms,» are living things whose genetic material has «incorporated
new genes from one species into a completely unrelated species
through genetic engineering, optimizing agricultural performance or facilitating the production
of valuable pharmaceutical substances from two species,» according to
The program is unique in its concentration
of nationally and internationally recognized leaders in the areas
of new drug development, cell and
gene therapy and design and conduct
of both local and national clinical trials
through the Children's Oncology Group (COG).
Test each mutant mouse line (4,000 mouse lines in the first 5 years, and ultimately up to 20,000)
through a broad based primary phenotyping pipeline in all the major adult organ systems and most areas
of major human diseases.
Through this activity and employing data annotation tools, systematically aim to discover and ascribe biological function to each
gene, driving
new ideas and underpinning future research into biological systems.
A significant percentage
of children and young adults with treatment - resistant B - cell leukemia achieved remission
through a
new CAR T - cell
gene therapy that destroys cancer cells with the CD22 molecule on its surface.
Introducing
new DNA often is achieved by viral transduction
of target cells with a therapeutic transgene,
through either a direct or cell - based
gene therapy modality.
Indeed, they found that the synthesized proteins that diffused
through the array
of interconnected compartments were able to regulate
genes and produce
new proteins in compartments farther along the network.
To address this challenge, the International Mouse Phenotyping Consortium is creating a genome - and phenome - wide catalog
of gene function by characterizing
new knockout - mouse strains across diverse biological systems
through a broad set
of standardized phenotyping tests.
Howard Hughes Medical Institute researchers have combed
through a catalog
of all known tyrosine kinase enzymes to identify
new gene mutations that occur in a significant fraction
of colon cancers...
In fact,
through improving our understanding, it gives us
new ways
of understanding how the HD
gene causes Huntington's disease, and adds «abnormal splicing» to our list
of possible targets for solving the problem.
Data access and analysis tools are being made available for the 3K RGP dataset
through the International Rice Informatics Consortium (IRIC), which promotes collaboration in bioinformatics analysis
of rice data and provides computational tools to facilitate rice improvement via discovery
of new gene - trait associations and accelerated breeding.