News tagged with genetic circuit

Scientists discover a controller of brain circuitry

By combining a research technique that dates back 136 years with modern molecular genetics, a Johns Hopkins neuroscientist has been able to see how a mammal's brain shrewdly revisits and reuses the same molecular ...

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity 4.9 / 5 (20) | comments 4

Photonic neuron may compute a billion times faster than brain circuits

(PhysOrg.com) -- The name of the project -- "photonic neuron" -- was catchy enough, but what really caught Mitchell Nahmias' attention was the opportunity to combine his interests in engineering and neuroscience.

Physics / General Physics

created Jul 19, 2011 | popularity 4.8 / 5 (17) | comments 9

Alcohol withdrawal symptoms caused by molecules in the brain

(PhysOrg.com) -- Researchers in Britain have discovered the molecular basis of some of the symptoms of hangover and alcohol withdrawal that appear as the body attempts to adapt to reduced levels of alcohol.

Medicine & Health / Neuroscience

created May 12, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast report

Why can we talk? 'Humanized' mice speak volumes

Mice carrying a "humanized version" of a gene believed to influence speech and language may not actually talk, but they nonetheless do have a lot to say about our evolutionary past, according to a report in the May 29th issue ...

Biology / Evolution

created May 28, 2009 | popularity 3.5 / 5 (6) | comments 9

Researchers develop CAD-Type tools for engineering RNA control systems

The computer assisted design (CAD) tools that made it possible to fabricate integrated circuits with millions of transistors may soon be coming to the biological sciences. Researchers at the Joint BioEnergy ...

Biology / Biotechnology

created Dec 22, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Impaired brain plasticity linked to Angelman syndrome learning deficits

How might disruption of a single gene in the brain cause the severe cognitive deficits associated with Angelman syndrome, a neurogenetic disorder? Researchers at the University of North Carolina at Chapel Hill School of ...

Medicine & Health / Neuroscience

created May 10, 2009 | popularity 5 / 5 (3) | comments 0

Researchers discover genetic circuit that regulates behavior of stem cells

Jordi Garcia Ojalvo -- a lecturer at the Department of Physics and Nuclear Engineering of the Universitat Politčcnica de Catalunya’s School of Industrial and Aeronautical Engineering of Terrassa (ETSEIAT, ...

Biology / Cell & Microbiology

created Jul 20, 2009 | popularity 5 / 5 (3) | comments 0

Light used to map effect of neurons on one another

(PhysOrg.com) -- Scientists at Harvard University have used light and genetic trickery to trace out neurons' ability to excite or inhibit one another, literally shedding new light on the question of how neurons ...

Medicine & Health / Neuroscience

created Dec 17, 2009 | popularity 5 / 5 (3) | comments 0

Light-controlled neo-neurons in the brain

French researchers at the Institut Pasteur in association with the CNRS have just shown, in an experimental model, that newly formed neurons in the adult brain can be stimulated by light. A novel technique ...

Medicine & Health / Neuroscience

created Dec 15, 2010 | popularity 5 / 5 (3) | comments 0

Genetically engineered bacteria compute the route

US researchers have created 'bacterial computers' with the potential to solve complicated mathematics problems. The findings of the research, published in BioMed Central's open access Journal of Biological Engineering, demons ...

Biology / Biotechnology

created Jul 24, 2009 | popularity 4.3 / 5 (3) | comments 1

Autistic mice act a lot like human patients

UCLA scientists have created a mouse model for autism that opens a window into the biological mechanisms that underlie the disease and offers a promising way to test new treatment approaches.

Biology / Cell & Microbiology

created Sep 29, 2011 | popularity 5 / 5 (2) | comments 0

Study reveals new data on circadian rhythms

Fluctuations in light intensity allow restoring the regularity of circadian rhythms. This is the main conclusion of the work carried out by Javier Buceta, group leader of The SiMBioSys Group (Theoretical and In Silico Modelling ...

Biology / Biotechnology

created May 07, 2009 | popularity 5 / 5 (1) | comments 0

Loss of enzyme reduces neural activity in Angelman syndrome

Angelman Syndrome is a rare but serious genetic disorder that causes a constellation of developmental problems in affected children, including mental retardation, lack of speech, and in some cases, autism. Over a decade ago, ...

Medicine & Health / Medical research

created Mar 04, 2010 | popularity 5 / 5 (1) | comments 0

Genetic switch underlies noisy cell division

(PhysOrg.com) -- While scientists have spent the past 40 years describing the intricate series of events that occur when one mammalian cell divides into two, they still haven't agreed on how the process begins.

Biology / Cell & Microbiology

created Sep 23, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast