Tag: "unique" at biology news

New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics

...e unusual left-handed helical structure may offera unique target for a new generation of antibiotics designed to home inon the structure. The left-handed structure also offers a new "twist"to biochemists attempting to design and construct proteins for use as medicinesand chemical probes. The researc...

Children Become Gorillas In VR Zoo

...ough virtual reality. The experience is part of a unique educational program being testedby Zoo Atlanta and <AHREF="http://www.gatech.edu/">Georgia Institute of Technology . At apress conference May 15, researchers from both organizationsdemonstrated what they believe is the world's first virtual r...

Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation

... use of cantharidin as a defensive chemical is not unique to the Neopyrochroa beetles, Smedley noted. Some midges and males of other beetle species are attracted to cantharidin; they eat the compound, presumably for transfer to their mates at copulation. "We aren't the first to prospect for useful compou...

Salvage Gene Is At The Root Of Many Mutations

...ltbase, cytosine, at the abasic site, allowing the unique zeta DNA polymerase -- recently announced by the same group ofscientists in Science -- to resume copying the DNA strand. This saves the cell from certain death, but its survivalcarries a potentially steep price: The arbitrary placement of a cytosine ...

Researchers Identify A New Cellular Structure: The "Dumposome"

...t in Allis' lab. "We now know thatthe structure is unique with a distinct function -- which could make it an organelle in its own right." Although it has only one cell, the mature Tetrahymena has two nuclei. One of these acts as a permanent geneticlibrary; its DNA is left intact and is passed along to ...

Green Glow: Not Only For Halloween

... a living cell. The source of the green glow is a unique protein, called green fluorescent protein (GFP), found in a Pacific Northwest jellyfish. National Science Foundation-supported biologists James Remington of the University of Oregon and Roger Tsien of the University of California at San Diego...

Scientists Identify Retrovirus-Like Components In Corn Genome

...that the retrotransposons organize themselves in a unique manner, inserting themselves within each other like nesting dolls, and burrowing between genes rather than inserting into the genes, as expected. "We don't know how they do this, but because they target their insertions between genes, these repetitiv...

Study Examines How Mechanisms Evolve To Regulate Bee Development

...icipate in the division of labor, they doundergo a unique pattern of behavioral development in which they grow upand mate. The same endocrine and genetic mechanisms involved in behavioral developmentof worker bees -- who tend the hive and, when older, forage -- exist inthe drones, researchers found. When t...

Florida Company Using ORNL Technology For Revolutionary Wheelchair

...s," Killoughsaid. Cybertrax will integrate several unique technologies into its powerwheelchairs; however, ORNL's invention is the heart of the TransRovr. Othersignificant advances include improved seating technology for enhancedergonomics, rapid battery recharging and internal recharging offeringincreased ...

New Sensor Provides First Instant Test For Toxic E. coli Organism

...ns, "Wehave made synthetic surfaces that mimic the unique cellular binding sites forthe toxins produced by E. coli 0157:H7 interactions. When these toxins areproduced, they hunt around for places to bind. When they find the rightreceptor site, they attempt to bind. This activity in humans causes disease.In...

Scientists Discover Smallest Frog

... "NSF's biotic surveys and inventories program is unique in that its purpose is funding the discovery of species new to science," says Meredith Lane, director of the program which funded Hedges' work. "Hedges' results are gratifying, because a very high proportion of species in fact remain to be discovere...

New Finding Suggests "HATs" Are Key To Gene Activation Puzzle

...ansferases, to unwind chromatin. Now, using a unique assay developed at Rochester, Allis and his colleagues have located a new HAT that is part of atranscription complex, the group of proteins that binds to DNA and starts the process of transcribing DNA into RNA, themolecule that serves as a template f...

New Nonviral Gene Therapy System Could Help Fight Cancer

...er said. The T7 vector gene therapy system is unique because it is anonviral system that works in the cytoplasm of a cell, Wagner said.Other gene therapy techniques work in the nucleus, making themless effective in gene delivery. Another difference between T7 and current gene therapytechniques is...

Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell

...d the surrounding areas have these things that are unique to our region, and they are worth protecting. We've been here in the Northeast for some 300 years, and we still don't know it all." The first Platynus indecentis species that Will and Liebherr examined at Cornell was on found at McLean Bog. Other sp...

The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow

...ectrum, each painted chromosome emitted provided a unique "thumbprint" for that chromosome. Although to the eye, the thumbprints are difficult to distinguish from one chromosome to the next, computers rapidly detect differences in emission spectra and assign each chromosome its own easy-to-see color. In a...

Vietnamese Chemist Finds New Use For Old Cashew Shells

Cincinnati -- A unique research collaboration between theUniversity of Cincinnati and Vietnam could lead to new rubberproducts improved by the oil squeezed out of old cashew nuts. Vu-Thi-Yen has been working with Distinguished ResearchProfessor James E. Mark for a little o...

Scientists Urge Further Study Of Alarming Coral Reef Decline

...t 50 percent. "We now know that San Salvador isnot unique and that these sorts of trends are going on all aroundthe world at the same time," Ostrander said....

Purdue Study Aims To Boost MRI Capabilities

...are acceptable." Bourland and Nyenhuis are using a unique system designed to determine the optimal ways to vary gradient fields without causing pain or discomfort to patients. The apparatus consists of a very powerful gradient amplifier assembly and magnetic coils to produce pulsed magnetic fields of greate...

NIH Team Discovers Endocrine Tumor Gene

...ancer. The discovery of the gene emanated from the unique collaboration of four different research teams at the NIH and a team at the University of Oklahoma. NIDDK scientists Drs. Stephen Marx and Allen Spiegel and colleagues have been treating and studying patients with MEN1 at the NIH Clinical Center...

Bacterium gobbles up chlorinated pollutants

...nt to most common antibiotics, Strain 195 may be a unique match for some of the most irreducible compounds that modern chemistry has devised. "It's as if this bug were born to dechlorinate," Zinder said. "Then what was it doing before we invented chlorinated ethylenes?" Gossett asked. "It's true, there ar...

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