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Tag: "coordinates" at biology news

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

... electrical properties ofthe cell. The human brain coordinates billions of neurons to mediatecomplex behaviors such as an infant learning to recognize his or herparents, a senior citizen learning to play piano, or the process ofaddiction following repetitive exposure to specific drugs. Thesebehaviors all result ...

Researchers unlock mechanism creating jigsaw puzzle-like plant cells

...ascinating mechanism of biochemical crosstalk that coordinates cells into tissues, a deeper understanding of how plant cells chemically talk to each other to grow or recede in an ordered way remains unclear. ...

Gene keeps neural cells on correct developmental path

...iggers the expression of an ensemble of genes that coordinates nervous system development by removing REST in three distinct phases, ending with shutting down the REST gene. "The cell gets rid of all the excess protein, kicks it off the DNA, then stomps on its head so it can't make RNA," Mandel said. "We can't ...

Researchers reveal secrets of flying snakes

... 3-D reconstruction of the head, midpoint and vent coordinates of the snake throughout its trajectory. Socha found that the snake uses its ribs to change its body shape; it flattens from head to vent. The snake takes control of its flight by undulating through the air in a distinctive S-shape as if swimming ?mo...

Logging changed ecological balance for monkeys, damaged health

...& Ecosystem Health at Illinois. The initiative coordinates a diverse assemblage of the university's centers, programs, laboratories and individuals whose current interests focus on the interface between emerging infectious diseases, anthropogenic environmental change and conservation. The researchers have m...

Affymetrix and ParAllele Launch Industry's Most Comprehensive Product Line for Targeted Genotyping

...& Ecosystem Health at Illinois. The initiative coordinates a diverse assemblage of the university's centers, programs, laboratories and individuals whose current interests focus on the interface between emerging infectious diseases, anthropogenic environmental change and conservation. The researchers have m...

President Bush's cut to AIDS prevention in Africa would be devastating

...& Ecosystem Health at Illinois. The initiative coordinates a diverse assemblage of the university's centers, programs, laboratories and individuals whose current interests focus on the interface between emerging infectious diseases, anthropogenic environmental change and conservation. The researchers have m...

Use of high hydrostatic pressure to inactivate Hepatitis A virus in oysters studied

... addition to its core programs, Virginia Sea Grant coordinates research in oyster disease and toxics in the Chesapeake Bay. ...

Sensor web simulation investigates technique to improve prediction of pollution across the globe

..."sensor web." This interconnected "web of sensors" coordinates observations by spacecraft, airborne instruments and ground-based data-collecting stations. Instead of operating independently, these sensors collect data as a collaborative group, sharing information about an event as it unfolds over time. The senso...

New technology shows our ancestors ate…everything!

...rvals, perform its series of scans, and collect 3D coordinates for each data point," said Teaford. The result is like a map of the earth that shows mountains, valleys and plains in full relief, only at a microscopic scale. As anticipated from traditional examination of fossilized teeth, the tooth surfaces of P....

Picking apart how neurons learn

...stibulo-ocular reflex. The vestibulo-ocular reflex coordinates eye movements with head movements, allowing us to perform activities such as reading in a moving automobile. "We've long known that LTD underlies responses like the vestibulo-ocular reflex. This study gets at the heart of how LTD occurs, specificall...

Testes to incubate stem cells

...ovine cells in culture," says Elaine Dzierzak, who coordinates a EuroSTELLS project at Erasmus University Medical Centre in Rotterdam. Testicular cultures could also prove an ideal system to test compounds that might affect sperm-production such as endocrine disruptors or therapeutic drugs. ...

Study suggests that publicly available genome data may contain small but significant errors

... as a mapmaker can locate landmarks at the correct coordinates by consulting a three-dimensional rendering of a geographical map. The distance between pairs of landmarks can be used to assemble physical maps, as an aid to sequence assembly, or as an independent method for validating sequence assembly and indicat...

New brain hormone puts brakes on reproduction

... the dorsomedial nucleus of the hypothalamus, that coordinates and integrates information from external stimuli, the senses and from motivational and emotional inputs. "It's likely serving lots of functions relating to motivated behaviors, such as reproduction or feeding," Kriegsfeld said. Kriegsfeld and Bentl...

Salk researchers make fast strides towards understanding how our body controls walking

...lestone in understanding the neural circuitry that coordinates walking movements - one of the main obstacles in developing new treatments for spinal cord injuries. "Knowing which circuits are important and understanding how they control the essential aspects of walking should put us in a better position to desi...

3-D ultrasound scanner could guide robotic surgeries

...tudy, the researchers used the scanner to identify coordinates denoting the precise location of an artificial les...ing technologies. The researchers then entered the coordinates into a simple robot that controlled a biopsy needle, and the robot did the rest. The researchers a...

Molecular mechanism provides intra-cellular traffic signal

... switches on. One activator protein, called TRAPP, coordinates two Ypt switches for quick entrance and subsequent exit from a central cellular compartment known as the Golgi apparatus. "The Golgi is a central station in all cells, through which all intra-cellular traffic passes," Segev explained. Specific su...

Powerful genome ID method extended to humans

...own as "optical mapping." Restriction maps provide coordinates on chromosomes analogous to mile markers on freeways. Lead author Anton Valouev, a recent graduate of Waterman's lab and now a postdoctoral fellow at Stanford University, said the algorithm makes it possible to optically map the human genome. "...

Major link in brain-obesity puzzle found

...ty in the hypothalamus: the area of the brain that coordinates signals from the brain and body relating to food, hunger, and the balance of energy and nutrients in the body. Previously, Rui and his team have shown that mice that lack the gene for SH2B1 -- called knockout mice -- become obese, diabetic, and u...

Gene elevating breast cancer risk also causes prostate cancer

...bility genes. According to Dr Robert Winqvist, who coordinates the research effort, the identification of these genes may help to clarify the genetic background contributing to breast cancer and suggest novel pharmaceutical targets. It could also lead to genetic screening that identifies individuals at increased...

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