Tag: "about" at biology news

Bacterial Toxin Surprises Scientists

...il recently, researchers have known little about how such membrane-piercing proteins work. ...is protein works, we might understand more about how proteins are normally moved across and inserted into membranes," said the study's lead ...

Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia

...ising insightsthat challenge conventional theories about drug addiction and Parkinson'sdisease and may prov...ineered mouse to help answer fundamental questions about the mechanismof addictive drugs, Parkinson's disease, and psychiatric disorders, allare linked by a ...

Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs

...ign such drugs because they knew so little about the enzymes. Now, the inner workings of on...ncy, so there are people who are skeptical about it," Dr. Wang said. "My own bet is that this kind of work will get better and better...

Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"

...singleenzyme. Scientists have usually only thought about how a gene mutation producesa change in that protein that results in a disease. This is an observationthat provides a mechanism for a group of diseases." If drugs could block the protein interaction the researchers described,then the discovery may ...

Researchers Pinpoint Site For Petit Mal Seizures In Brain

...y Medical Center reported Monday finding new clues about the precise location in the brain that causes the ...e absence seizures. Armed with the new information about the mechanism, Hosford plans to look for compounds that inhibit only those GABAb receptors affected ...

Tumor Suppressor Gene Located In Liver Cancer Cells

...ase, he said. "As a consequence, knowing something about liver tumor formation or having a handle on how one could detect these tumors when they're much smaller could have a significant impact on survival," he said. The protein receptor produced by M6P/IGF2r is an attractive target because it is present on...

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

...tics for all gram-negative bacteria, which produce about halfof all infections," Raetz said. "It would be difficult, becausebacteria are different from one another, but the discovery of this commonstructure in an enzyme critical to bacterial growth certainly offers considerablepromise."...

Second Breast Cancer Gene Located

...ancer Research Campaign.Researchers estimated that about 5 percent of the breast cancer cases resultfrom in...tions. "BRCA1 seems to be responsible for about half of inherited breastcancers," said Futreal, an assistant research professor of surgeryand assist...

Computer Program For Quicker, More Detailed Mapping

...ic blueprint that contains all of the instructions about how tomake a human body, said Richard Myers, professor of genetics and directorof the Stanford Human Genome Center. "Previously, it would take months for us to build a map," saidMyers. "Now we can rebuild it every day, including new informationas it...

Heat-loving Microbe Repairs Its DNA With Light

...boratory, it prefers acidic growth medium(pH=3) at about 80 degrees Celsius. Such severe conditions oftenca... in S.acidocaldarius raises particular questions about what it takes tosurvive in geothermal habitats. For example, are we to infer thatUV radiation is a s...

Children Become Gorillas In VR Zoo

..." The project also "has implications for learning about peacefulresolution of conflict, one of the many things kids can learn fromgorillas as a result of this partnership," she added. Funding for the project comes from Zoo Atlanta and Georgia Tech's EduTechInstitute. The Graphics, Visualization and Usabi...

Freshwater Sponges May Pose Threat To Zebra Mussels

...es in 1993 while studying an artificial reef built about 7 years ago near Lorain, Ohio by researchers from Ohio> Sea Grant. It's possible the increase is related to the zebra mussel invasion, which began in the late 1980s, said David Kelch, an associate professor with OhioState's Extension Sea Grant p...

Duke Researchers Find Second Gene Linked To Blood Vessel Disorder

...be repaired. "This makes sense with what we know about the disease," Marchuksaid. "Children with HHT usually don't show any signs they have thedisease. But as they age, and presumably acquire mechanical damage to tinyblood vessels that need to be repaired, the disorder shows up." Marchuk has shown that...

Transgenic Rice Plants Resist Insects, Drought And Salt Damage

...s year in China. Commercial production of seed is about two years away, Wu estimated, but several companie...hat eats plants in the larval stage -- and that is about 70 percent of the known insect pests worldwide. Among crops damaged by lepidopteran insects are sor...

Mutate Or Die: New Polymerase Gives Desperate Yeast An Option

...karyotic DNA polymerase family to be discovered in about a decade and is the first polymerase whose purpose...f the two genes that code for the enzyme have only about 5 percent as many mutations as "normal"yeast. Mutations are a risk wherever there is damaged D...

Suicidal Tendencies

...thecell is history. The interesting thing about Raff's research is that it suggests that suicideis the cell's default setting. The death machinery is always in place, ready tobe activated. There are many evolutionary advantages to this set-up, Raff saysin The Sciences. "Such a mechanism could ensu...

Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey

...three to eight times wider than normal. Porsuk is about 840 kilometers downwind of Thera. Archaelogists had long believed the Thera eruption had occurred around 1500 B.C., but more recent studies have strongly suggested the eruption occurred earlier, in 1628 B.C. The "Porsuk event," as Newton calls the gr...

Water Recycling Project Tested in Turkey Plant

...immediately uses up theozone so that there is only about 3 grams in existence at any given moment. Current Food and Drug Administration rules do not yet allow ozone to comein contact with poultry products. The system strips out any residual ozonein the water prior to returning it to the chiller. The syste...

Core Spins Faster Than Earth, Scientists Find

...slightlyfaster, completing its once-a-day rotation about two-thirds ofa second faster than the entire Earth...y over Earth's history. It will yieldnew knowledge about temperatures at the center of the Earth andthe flow of planetary heat that ultimately drives the mot...

Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants

...ents. "It doesn't completely replace our thinking about photosynthesis; it simply demonstrates that our present knowledge is inadequate to explain this surprising observation," he said....

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(Date:10/31/2014)... of treatment and cost, patients with early stage ... irradiation (APBI) with proton therapy versus whole breast ... University of Texas MD Anderson Proton Therapy Center. ... based on typical patient characteristics, researchers used Medicare ... different types of partial and whole breast irradiation ...
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