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Tag: "communicate" at biology news

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...uders, yet also contain molecules to recognize and communicate with other cells or get nutrients. Cells also communicate with one another via small, membrane-bound vesicles that contain proteins or other molecular cargo. ...

Electric fish conduct electric duets in aquatic courtship

...gan in their tails to sense their surroundings and communicate their species, sex and social status with other fish. It is also the first study to successfully sort signals in electric fish based on sex. The research, which is the cover story in the July 1 issue of the Journal of Experimental Biology, is auth...

Turn-ons and turn-offs for neurons

...ons in our brain becomes active. These nerve cells communicate with each other by chemical and electrical impulses to compute incoming sensory information and integrate it via distinct brain regions. With 20,000 - 25,000 genes in our genome, most also expressed in neurons, there is now little doubt that neurons ...

Left-right wiring determined by neural communication in the embryonic worm

...hat allow growing neurons on the left and right to communicate with each other, a system that dissolves as the wo... HHMI Investigator. "They all grow to the midline, communicate with each other, and create a conduit of information that links together these two different sides o...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

...p forward in the understanding of how chloroplasts communicate with a cell’s nucleus when stresses such as drought, heat, salinity or light become too great on the organism. A research team that includes Shai Koussevitzky, a research associate in the University of Nevada, Reno’s College of Agriculture, Biotech...

Uniform language for describing genes of pathogenic and beneficial microbes

...ut microbe-host interactions will help researchers communicate information, and expand concepts from the studies of microbes and their hosts," said Maryanna Henkart, Director of the National Science Foundation's Division of Molecular and Cellular Biosciences. João Setubal, Deputy Director of the Virginia Bio...

In young mice, gregariousness seems to reside in the genes

...d in to the ultrasonic chattering that mice use to communicate with each other. For the more socially predisposed animal, gregariousness was the order of the day, says Lahvis: "A young mouse will seek social interaction and avoid isolation. The social life of these animals is a rich integration of behavior, v...

A 'traffic light' for neurons means 'go' for improving brain research

... simulating neural communications. Because neurons communicate by generating patterns of signals-sometimes on and...ain," Zhang says. "How do different types of cells communicate with each other to carry out very complex things like emotion or how people make decisions?" Fund...

Metacognition: Faced with a test, rats can check their knowledge first

...nimals is made difficult by our limited ability to communicate with animals about abstract information or concepts. But in past work, metacognition in primates had been successfully probed by employing an ingenious technique: Animals were familiarized with a test that assessed a certain kind of knowledge that th...

Technology reveals 'lock and key' proteins behind diseases

...ied six proteins that interact with and presumably communicate with the ABC transporter Ycf1p, a yeast version of the human proteins CFTR and MRP. These newly discovered protein interactors represent novel potential pharmaceutical targets. Through a series of biochemical and genetic tests, the researchers discov...

Autism gene identified by researchers at Yale working with a global research consortium

...brain disorder that inhibits a person’s ability to communicate and develop social relationships, and is often accompanied by extreme behavioral challenges. Autism Spectrum Disorders are diagnosed in one in 150 children in the United States, affecting four times as many boys as girls. The diagnosis of autism has ...

Insomnia drug can improve brain function

...out of insomnia; 20 minutes later, she was able to communicate to her family, eat by herself, and move. These effects lasted for up to three hours. After systematically withdrawing all of her medications one by one, it was concluded that the positive effect was due to zolpidem. "This phenomenon was so reproducib...

University of Alberta researchers unravel intricate animal patterns

...is a connection between the signals animals use to communicate with each other and their behaviour," said Raluca Eftimie, a graduate student in the U of A’s Centre for Mathematical Biology. "But until now, the connection between the complex spatial group patterns that we can see in nature and the different ways ...

New molecular pathway could reveal how cells stick together

...of examples of times where the ability of cells to communicate goes awry in disease and ninjurin could be playing a role in any of those," she said. "The goals of my research are contributions of new ideas and mechanisms that can then be realized by the broader biomedical community."...

Largest genomic search finds genes that may contribute to autism

...m of disorders that inhibits a person's ability to communicate and develop social relationships. It is often accompanied by extreme behavior challenges. Autism Spectrum Disorders are diagnosed in one of 166 children in the United States and affect four times as many boys as girls. "These findings are a piece...

Motor protein plays key role in connecting neurons

...elivering to its tip a receptor that enables it to communicate with other neurons, scientists say. In another ...xon, grow in the right direction. Cells eventually communicate through synapses at the end of these cellular projections. "During early development, axons need ...

Reversing cancer cells to normal cells

...e zebrafish to study whether the tumor cells could communicate with the zebrafish stem cells and affect their early development. The zebrafish is a widely-used organism for genetic and developmental studies because of its prolific reproduction, rapid development, and transparent embryo that develops outside the ...

Biologists call for better choice of model organisms in 'evo-devo'

...ing sources. "We encourage evo-devo workers to communicate with funding agents so that the limited resources available will not be disproportionately channelled to the ‘big six? which, while important, cannot illuminate all evo-devo’s central themes. "If we want to understand how insects evolved wings or...

Brain works more chaotically than previously thought

...urophysiology this means that nerve cells can only communicate with a small number of other nerve cells, i.e. only with those with which they are connected via synapses. This concept is the basis of the notion that neuronal information in the brain, somewhat like electricity in a computer, only spreads direction...

Linking DNA and histone methylation

... role in stem cell differentiation and cancer, can communicate with each other to turn genes off. " Although both histone and DNA methylation have long been recognized as hallmarks of euchromatic gene silencing, how these two processes cooperate to induce silencing has remained unresolved. In their upcoming ...

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