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Tag: "communication" at biology news

Plants, animals share molecular growth mechanisms

...iversity scientists. The protein complex triggers communication between molecules along a pathway that leads to the creation of long protein strings, called actin filaments, that are necessary for cellular growth, said Dan Szymanski, agronomy associate professor and lead author of the study. Knowledge of the bioc...

Researchers identify target for cancer drugs

... have been trying to fully understand a particular communication pathway inside of cells that contributes to many malignant brain and prostate cancers. While scientists have identified elements of this pathway, other key components have remained a mystery. Researchers at Whitehead Institute now have discovered a m...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

...is research is exposing a whole new world of color communication in parrots and the potential physiological and bio...al significance of bird colors as a form of visual communication within a species (e.g. to denote status or attractiveness). As he studied these aspects, he wanted t...

Elephants imitate truck noises, other animals

...l learning is important because it enables an open communication system in which animals and humans develop new sig...nd dolphins, may use vocal learning to develop new communication signals for maintaining complex individual-specific social relationships, study co-author Peter Tyac...

Transport System Smuggles Medicines Into Brain

...is research is exposing a whole new world of color communication in parrots and the potential physiological and bio...al significance of bird colors as a form of visual communication within a species (e.g. to denote status or attractiveness). As he studied these aspects, he wanted t...

Elephants imitate sounds as a form of social communication

...l learning is important because it enables an open communication system in which animals and humans develop new sig...nd dolphins, may use vocal learning to develop new communication signals for maintaining complex individual-specific social relationships, study co-author Peter Tyac...

Alcohol's effects on gene expression in the central nervous system

...tivity), and myelin structure (which is needed for communication between nerve cells)," said McBride. "Gene expression profiling has also been used to identify chromosomes and chromosomal regions that influence alcohol drinking and response to alcohol." # Intracranial self-administration of ethanol into the poste...

The BIOS Initiative - open source biotechnology is born

...iences, and the unique human element that Internet communication now provides" says Jefferson. ...

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits

...eractions: there were 183 protein clusters and 240 communication pathways conserved in all three. The finding sugge... that only 0.5 percent of the protein clusters and communication pathways are conserved in the three species, but Ideker estimated that as many as 80 percent of the ...

Vampire bats keep out of trouble by running

... gait of Desmodus rotundus is described in a brief communication in this week's issue of Nature magazine (March 17, 2005) from Daniel Riskin, Cornell graduate student in zoology, and his adviser John W. Hermanson, associate professor of biomedical sciences. What seemed like a crazy idea -- challenging these bats ...

Alzheimer's cognitive decline slowed

...ed axons connecting the brain cells, essential for communication between cells. The recent human studies were a Phase I clinical trial, designed to test safety and toxicity. The procedure was initially performed while patients were awake but lightly sedated, and two patients moved as the cells were being injected,...

Two are better than one

...n might form a web that destroys the cancer cell's communication network, ultimately demobilizing the cell. Three decades of intensive cancer research led to the identification of a family of receptors, known as HER, that sit antenna-like on the outside of the cell wall and are implicated in certain types of canc...

Some Brain Cells 'Change Channels' To Fine-tune The Message

...chloride or other charged atoms that then keep the communication process going. In the cells in the cerebellum, a channel made of proteins called AMPA receptors, built from subunits called GluR3 and GluR4, is usually found at the synapse. If the cells are shocked with an electric current, within minutes the chann...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...and feet. Scientists have long known that seismic communication is common in small animals, including spiders, sco... in the lab. "I did my master's thesis on seismic communication in planthoppers," she says. "I'd put a male planthopper on a stem and play back a female call, and t...

The lopsided brain: Attention bias is shared by humans and birds

...n human brains that is thought to facilitate rapid communication between the two hemispheres. In the past, such communication via the corpus collosum has been thought to form the basis for asymmetries in human spatial attentio...

Researchers make surprise discovery that some neurons can transmit three signals at once

...ghts, feelings and movements are orchestrated by a communication network of brain cells, or neurons, each responsible for relaying one specific chemical message called a neurotransmitter. Either neurons release a neurotransmitter that excites a neighboring cell, thereby triggering an electrical discharge and enhan...

Molecular thermometers on skin cells detect heat and camphor

...ules and mechanisms that underlie this complicated communication system that is our senses, and one group of researchers from The Scripps Research Institute and the Genomics Institute of the Novartis Research Foundation (GNF), has been making headway in trying to understand those that mediate our sense of touch. ...

Hydrogen and methane provide raw energy for life at 'Lost City'

...ithout leaving the UW. She'll use state-of-the-art communication technology to help direct investigations at sea during a mission with co-PI Bob Ballard, his Institute for Exploration, the Jason Foundation for Education and National Oceanic and Atmospheric Administration's ship and funding. Audiences at participat...

Structure-building cell signals also may influence learning and memory

...nt parts of nerve cell synapses, the sophisticated communication relay used in the nervous system. "We looked at the glutamate receptors at the cell synapse, and depending on other activity, ephrin appeared to decrease the number of glutamate receptors," said Yamaguchi. The regulation of glutamate receptors is cr...

Alarm pheromone causes aphids to sprout wings

Chemical communication within insect species is often much more sophisticated than expected. When aphids are attacked by predators such as ladybird beetles, they release an alarm pheromone, (E)-â-farnesene, that has long been known to cause other aphids to walk around or d...

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