In principle this discovery could revolutionize saline agriculture worldwide by laying the groundwork of understanding necessary to appropriately using salt resistance genes and
gene networks in crops to enable them to grow in desert and saline environments.
«Or we could use it to study
the gene networks in diseases and get a better understanding of how those diseases work.»
Examples of
gene networks in the hippocampus affected by brain trauma.
The ideal way to identify
a gene network in humans would require an impossible experiment: Take two families, each with dozens of identical twins, and have the families interbreed, combining the same sets of genes together over and over again.
Not exact matches
«A person can always learn something new,» says
Gene Brady, director at Search Consulting
Network, which specializes
in recruiting
in the automotive, industrial and automation sectors.
«Twitter is one of the most widely used social media
networks worldwide and despite the speed of technological innovation
in the 21st Century, no other full - service bitcoin wallet offered this feature until now,» said
Gene Kavner, founder and CEO of iPayYou as well as a former Amazon executive, as quoted by Pymnts.com.
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).
Often, the
genes of the new are present
in the body of the old — they are the ideas, the social movements, the fair food
networks that start life on the innovative edge, the social fringe, and move towards the middle where they give expression to the new systems that grows out of the old.
Ongoing projects include studies of
gene - environment interactions and adverse pregnancy outcomes, as well as informed medical decision making demonstration projects
in Medicaid maternity populations and within HealthWise, the nation's largest source of health information materials distributed through healthcare
networks.
He added that the method used
in this study, called «
network biology» — where computer systems are used to identify
gene networks that work together to underpin disease — may also help find treatments for other conditions.
The
genes in the
network are thought to be involved
in how brain cells communicate with each other.
What unites the sociologists, physicists, biologists, and other scientists studying
networks is the recognition that «whether they're
networks of people, computers,
genes, [or] neurons, they often obey similar mathematical rules and have similar properties,» says Nicholas Christakis, a professor of sociology and of medical sociology at Harvard Medical School
in Boston.
Carlo Croce, a cancer researcher at Ohio State University
in Columbus, and his colleagues created a diagram of interacting miRNAs for normal body cells by connecting them according to which
genes they target and the function of those
genes,
in a way similar to analyses of human social
networks.
Biologists could use an infusion of mathematics as well, says Iya Khalil, vice president of R&D at
Gene Network Sciences Inc.
in Ithaca, New York.
The so - called STEP trial, sponsored by pharmaceutical giant Merck & Co. and the federally funded HIV Vaccine Trials
Network (HVTN), was the first to test the idea of stimulating the immune system's killer T cells to hunt for the virus more aggressively,
in this case using a weakened form of the cold virus to carry three
genes from HIV.
These results suggest that ESR1 may play a pivotal role
in modulating
gene - regulatory
networks after learning.
Finally, the team identified a
network of
genes in these regions that exhibit changes
in expression when the normal boost from serotonin is lacking, and these changes depended on how long the drug was given.
The same
gene network also plays a role
in programming the fly neurons responsible for taste, the researchers report
in the journal PLOS Genetics.
Several of the
network genes Volkan and her team identified have counterparts
in humans and other vertebrates, which suggests the same basic mechanism could be at work
in building the nervous system
in other animals too.
Doyle is now tackling a far bigger
network of
genes in E. coli: the master
network responsible for governing its metabolism.
To learn which
genes in the mussel make the byssal threads, the researchers first treated the threads with the enzyme pepsin to liquefy their interlocking
networks of proteins.
The researchers would like to understand the
genes and neuronal
networks involved
in regulating the avoidance behavior that occurs after high pH is sensed.
Expansive wars and annexation resulted
in enlarged territories and favored
genes that prescribe group cohesion,
networking, and the formation of alliances.
Although there are several ways to remove RB from the cellular machinery, the group found that complete loss, rather than inactivation, of the RB
gene was associated with changes
in gene -
networks closely linked to aggressive disease.
Research coordinated by Osaka University has now shown that the nuclear protein complex cohesin must be expressed at sufficient levels
in the early mouse brain to control
gene regulation and allow development of healthy neuronal
networks and behavioral characteristics.
«Interactomes like this one make the whole debate of
genes versus the environment a lot more sophisticated,» adds Vidal, who was not involved
in the current study and who mapped a
network involved
in breast cancer susceptibility
in 2007.
In animal models or petri dishes, scientists disable one
gene at a time to see how it affects the proposed
network.
Molecular geneticists dream of having a similarly comprehensive view of
networks that control
genes: For example, they would like to identify rules explaining how a single DNA sequence can express different proteins, or varying amounts of protein,
in different circumstances (see p. 80).
In addition, using methods for the analysis of regulatory networks developed by the Califano lab in the Center for Computational Biology and Bioinformatics, Department of Systems Biology, the researchers identified a number of transcription factors (gene regulators) that have the potential to mimic the environmental signals that trigger papillae to induce new hair growt
In addition, using methods for the analysis of regulatory
networks developed by the Califano lab
in the Center for Computational Biology and Bioinformatics, Department of Systems Biology, the researchers identified a number of transcription factors (gene regulators) that have the potential to mimic the environmental signals that trigger papillae to induce new hair growt
in the Center for Computational Biology and Bioinformatics, Department of Systems Biology, the researchers identified a number of transcription factors (
gene regulators) that have the potential to mimic the environmental signals that trigger papillae to induce new hair growth.
The group has already started tweaking human iPS cells using the same
genes that Saitou pinpointed as being important
in mouse germ - cell development, but both Saitou and Hayashi know that human signalling
networks are different from those
in mice.
Complicating matters further, these
genes seem to operate
in large
networks, interacting with each other and the environment to influence weight.
Further investigation, says Resar, showed that these unusual properties arise from the ability of HMGA1 to turn on several
genes involved
in the Wnt pathway, a
network of proteins necessary for embryonic development and stem cell activity.
Using a computational technique called
network diffusion, the team identified
networks of
genes that are interrelated through their connection to the ASD
genes in the databases.
The researchers developed a computational framework to determine the structure of protein interaction
networks in each sample and infer which
genes performed different cellular functions within these
networks.
Remarkably, when the researchers manipulated the activity of these three
genes, almost all of the other
genes in the
network were corrected, pointing to novel therapeutic targets for CAVD.
«By understanding the
gene networks that get disrupted
in CAVD, we can pinpoint what we need to fix and find new therapeutics to correct the disease process,» says first author Christina Theodoris, an MD / PhD student at the Gladstone Institutes and UCSF.
For example, many of the
genes in the new
networks are related to cancer, suggesting that certain cancer treatments that target these
genes might also be useful to treat ASD.
Researchers from KTH Royal Institute of Technology's Science for Life Laboratory (SciLifeLab) research center and Gothenburg University employed the biological
networks generated for 46 major human tissues
in order to identify the liver - specific
gene targets.
Building on this concept, Sushant Patkar of the University of Maryland and colleagues hypothesized that alterations
in protein interaction
networks in breast cancer cells may change the function of individual
genes.
Using a new technique that accounts for how
genes interact, Italian researchers have identified new
networks of related
genes that may be involved
in ASD — including
genes that are related to cancer.
A given
gene may perform a different function
in breast cancer cells than
in healthy cells due to changes
in networks of interacting proteins, according to a new study published
in PLOS Computational Biology.
«Shifting protein
networks in breast cancer may alter
gene function: Changes
in gene function
in tumor samples correlate with patient survival.»
In the current study, the researchers report that NOTCH1 acts like a sensor on the endothelial cells — the cells that line the valve and vessels — detecting blood flow outside of the cell and transmitting information to a
network of
genes inside the cell.
Activation of NOTCH1 by blood flow causes a domino effect, triggering numerous other
genes in the
network to turn on or off, resulting
in suppression of inflammation and calcification.
Uncovering the many
genes in a
network has proved to be maddeningly difficult, and humans are a terrible place to look for them.
By going
gene hunting
in the Phenome Room, Jackson Laboratory scientists hope to steer their colleagues away from the search for single
genes in favor of hunting for
gene networks.
With the completion of the first phase of the Human Genome Project
in 2000, and the advent of sequencing technologies that can detect
gene variations such as single nucleotide polymorphisms (SNPs), for the first time scientists have the tools
in hand to find the key immune
genes and genetic
networks that play roles
in vaccine response.
That's because stem cells must be connected to existing neural
networks — something that's not yet possible — whereas
gene therapy simply involves making what is left
in a diseased eye photosensitive.
It is a crucial
network in the nucleus, providing mechanical support to the nucleus and also regulating
gene expression by making some areas of the genome less or more available to be transcribed into messenger RNA.
As part of this effort, Dr. Weinstein and his colleagues inserted a
gene for a protein that turns green the cells that line the endothelium of selected embryonic veins and
in the lymphatic system — the
network of vessels through which immune cells travel
in the body.