Tag: "string" at biology news
Six-Year Drilling Project to Uncover One Million Years of Earth History
... plume or hot spot is thought to have produced the string
of volcanoes that make up the Hawaiian Islands chain." Adds Don DePaolo, a geologist at UC Berkeley, "This project should give us an unprecedented opportunity to understand how volcanoes form. We will also retrieve a detailed record of how th...
Second Look Acquits Gene Of Role In Breast Cancer
... "The cell encodes genetic instructions into a string
of chemicals calledribonucleic acid orRNA, which l...rint for building a protein," he explains."But the string
ofRNA coding for the protein is normally interrupted at several points by codingthat is not part oft...
Genetic "Short Circuit" Leads To Cleft Palate
... that they describe is similar to an old-fashioned string
of holiday lights that operates only if all the bu...that are the equivalent of individual bulbs in the string
of lights. The clefting-susceptible mice have an overactive gene, comparable to a bulb that burns h...
Prostate Cancer Switch May Yield Map Of Cancer Machinery, Targets For Drugs
...the switch as a short stretch of RNAnestled in the string
of "messenger RNA," a molecule which constitutes t...of FGF-R2. The scientists found that this string
of messenger RNA actually includesthe code for producing both IIIb and IIIc, with the genetic switch...
Biggest Acoustics Meeting Ever
...dprocess responsible for creating sound in a bowed string
instrument such as a violin. To actively controlthese noises, Heckl has devised a feedback system that stabilizes the vibrations of the train wheels (2pSA1).Investigating the noise from another increasingly popular mode of transportation--motorcycles...
Study 'Gone With The Wind' Provides Stellar Ecological Example
...erse. For instance, spiders, which produce a silk string
to which theycling and get blown into areas courtesy of wind ( a phenomenon called"ballooning"), rebounded quickly on islands where they had been wiped out,unlike lizards, which don't have such "high-tech" dispersal abilities. Another is that...
Mechanism Of Protein Folding Unraveled, With Eventual Implications For Treating
Diseases Caused By Folding Errors
... how a protein changes from an initially shapeless string
of aminoacids to a three-dimensional structure with nooks and crannies of biologicallyactive sites is often called the second half of the genetic code. Thistransformation is called protein folding. Research at the University of Pennsylvania ...
Radioactive Beads Latest Weapon In Fighting Cancer In Dogs, Cats
MANHATTAN -- For some people, a string
of beads is a fashion statement. For yourdog or cat, they may be the difference between life or death. When surgery can't be performed or isn't enough to remove cancerous tumors,veterinarians at Kansas State University's College of Veterinary Medicin...
Protein Adultery Revealed!: Mechanism Of Protein Folding Captured In Computer Simulation
...roups of biophysicists who representa protein as a string
of beads. The scientists do operations that have t...mino acids usually hook upwith others in their own string
because of the randomness with whichwater-hating amino acid molecules are interspersed among water-l...
CU Research Team Unravels Mystery Of Larceny Among Tropical Ant Species
... at the entrances ofindividual nests, initiating a string
of thefts by ants that rippled from colonyto colony. Foraging ants generally took cheese pieces into their home nests withinminutes, said Breed. Since thieving E. ruidum ants from different nests wereusually lurking in the home nest, a tresspasser ...
Penn Scientists Show How Mistakes In Protein Folding Are Caught By "Protein Cages" Called Chaperonins
...sses that proteins correctly maneuverfrom a simple string
of amino acids to their pre-destined three-dimensionalstructure. This transformation -- called protein folding - is one of the mostactive areas of molecular biological research, and has taken on even moreimportance with the growing knowledge that mis...
Designer Molecules: Largest Protein Ever Created From Scratch Has Implications For Novel Drug Delivery And Diagnostics
...rotein and theprecision with which it folds from a string
of amino acids to its finalthree-dimensional structure. Now, researchers at the University of PennsylvaniaMedical Center have created the largest protein from scratch, with both a stableand predictable shape. "The ability to do this really takes u...
Simulating protein folding from physical laws
... a compact shape, somethinglike the way a piece of string
will bunch up if you push the ends together. Thefolding is driven by the attractions and repulsions between the positive andnegative electric charges of the atoms making up the molecules. The final shapewill be the one in which the positive and neg...
Learning is growing: scientists investigate the links between memory and brain
...nthe special issue of Learning & Memory continue a string
of exciting indicationsthat neurotrophins are also important for strengthening synapses in the adultbrain. In this issue, Benedikt Berninger, Alejandro Schinder, and Mu-ming Poo(University of California, San Diego) show that neurotrophins have more e...
Researchers pave the way to protein therapy in humans
...elf-destruct. The enzyme was modified to include a string
of 11 amino acidsthat served as a passport for crossing a cell's outer membrane. But theresearchers needed to prove that large proteins could slip into cells in modelanimals before considering human applications. In the Science study, Dowdy a...
When sperm whales talk, UW researcher listens
...second," he said, so researchers have a continuous string
of sounds to work with. "It's very regular - it sounds almost like a clock ticking." In addition, the clicks travel well in sea water, allowing scientists to tune in from a distance and listen to more than one whale at a time. Dougherty's process c...
Cerebral cortex cells may pulse electrical rhythm through the brain
Like the steady synchronized blink of a string
of holiday lights, certain types of nerve cells in the cerebral cortex communicate with each other through electrical connections, forming a new type of brain circuitry described in the current Nature. Until now, scientists thought nerve...
1999 Fall Meeting: Press conferences and special events
...sistance of Duckweed, the USGS Menlo Park old-time string
music band NPR Science Friday Friday (11:00 AM, Room TBD). The first hour of Science Friday will feature several scientists who are presenting new research at Fall Meeting. They will participate from the studios of KQED-FM, and the program will be...
Fall Meeting: updated press conferences and special events
...sistance of Duckweed, the USGS Menlo Park old-time string
music band NPR Science FridayFriday, 11:00 AM, Room 236. The first hour of Science Friday will feature several scientists who are presenting new research at Fall Meeting. They will participate from the studios of KQED-FM, and the program will be fed...
Most highly endowed promotion prize for fourteen scientists and scholars
...sdam-Golm. Dieter Lüst's chosen fields are string
and supersymmetrical field theories. His research is directed at the basic questions of combining quantum and gravitational physics in order to gain a uniform understanding of all physical forces, from potent nuclear power to electroweak forces and t...
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