Duke Researchers Show "Editing" Can Fix Faulty Genes In New Approach To Gene Therapy
...ells," Sullengersaid in an interview. "The results have encouraged us to go forwardin exploring the use of...NA is decoded into thefinal protein product. Cells have evolved an efficient system that usesRNA enzymes or "ribozymes" to cut junk out of mRNA and paste it...Freshwater Sponges May Pose Threat To Zebra Mussels
..., which could also be caused by zebra mussels, may have made the water more hospitable, Kelch said. The researchers studied the growth of freshwater sponges on the artificial reef in Lorain and on the surface of a shipwreck off Kelly's Island, in Lake Erie's western basin. Their observations indic...Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...N.C. -- Duke University Medical Center researchers have linked asecond gene to a rare bleeding disorder --...hildren 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...New Discovery About Genes Has Implications For Genetic Therapy
COLUMBUS, Ohio -- Researchers here have discovered that introns -- parts of genes long tho...seeing a holdover to a similar mechanism that must have taken place in the earliest evolutionary stages of primitive one-celled animals-- at least a billion...Transgenic Rice Plants Resist Insects, Drought And Salt Damage
... Biologists at Cornell and Washington universities have genetically engineered and successfully field test...wo years away, Wu estimated, but several companies have already signed licensing agreements to use the insect-resistance gene technology in other crops, inc...Race Plus Roaches: A Breathtaking Link
...d tropical climates. Although more than 60 species have been identified, the most common in North America are the German, Oriental, and American cockroaches. Cockroach allergens are known to represent an important risk factor for acute asthma, a condition that causes the bronchi of the lungs to constrict....Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
Biologists have discovered the first of a new DNA polymerase famil... cells turn towhen all attempts to fix damaged DNA have failed. The enzyme increases a cell's odds at staying alive, but it does so bydramatically boosting ......e got a lot more where this is from, but you can't have it until we mate." And what is this enticing chemical, males of many species by now are wondering, and where can I get mine? According to the CIRCE biologists, the chemical is none other than cantharidin, or Spanish fly, the notorious aphrodisiac o...... ThomasKane, professor of biological sciences. "We have now shown thatchemoautotrophic systems are more wi...ergy...they're quite distinct. The different caves have verydifferent chemical signatures," said Kinkle. Sarbu first began exploring the Movile Cave in 1986...DNA Techniques Allow Scientists To Become Pollution Detectives.
...llution or animal pollution. Different animalswill have different E. coli and will have greater DNA patternsbecause there are more animal species. Humans have fewer DNApatterns." Tamplin a...International Research Team Clones New Skin Cancer Gene
...- Researchers from the U.S., Australia, and Sweden have combined forces to isolate the gene for basal cell...ten develop thousands of skin cancers and may also have birth defects and childhood brain tumors. In 1992, Bale mapped the NBCCS gene to human chromosome......xception of early fetal cells, all cells appear to have poisonousproteins stashed beneath their membranes. Like spies with cyanide pills underthe skin, cells pack these suicidal enzymes away for extreme emergencies,releasing them only when neighboring cells drop out of communication. "Cellularneighborhoo...Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...and at the universities of Heidelberg and Reading, have constructed a tree-ring sequence spanning 1,503 ye...hese sites. Using dendrochronology techniques they have perfected along with radiocarbon dating, the researchers were able to determine the exact year that ...Southern Pine Beetle Reaching Outbreak Levels In North Florida
GAINESVILLE---Southern Pine Beetle populations have exploded to outbreaklevels along the Suwannee Rive...rvey their property, asshould homeowners who might have vulnerable loblolly pines, the beetles'preferred hosts. The Southern Pine Beetle is the most aggress...Nutrition Study Reshapes Strategies For Athletes
...s women's heptathlon team were filled by women who have been workingwith Linda K. Houtkooper, associate sp...t and sultryenvirons of Atlanta during July. "They have been able to realize through the training program that by doingfluid replacement, they will actually......e a variety is ready for release. New grapes that have been bred for the climate are eagerly anticipated....t has been observed since 1974. Promising results have been reported from Marquis trials in Arkansas, Indiana, and Michigan. A Cornell trial of Marquis at...Honeybees In The Wild Nearly Gone In North America
...ntryagree that most of the wild or feral honeybees have likely beenannihilated, Tew said. Backyard gardene...s a good chancethe wild honeybee populations could have recovered fairly quickly.But with the combined effects of the tracheal mites and varroamites, it bec...Researchers Use Hydrated Lime To Reduce Toxic Selenium Emissions
...e from flue gas.But this is the first time studies have shown that hydrated limechemically removes selenium by means of an irreversible chemicalreaction. "The hydrated lime -- which is calcium-based -- forms withthe selenium to create calcium selenite, the first time this reactionhas been documented," Fan...NADC Examines TB In Cattle and Swine
Food Safety Consortium researchers have made some advances in researchingtuberculosis in cattle and swine. Tests in two aspects of the problem arebeing conducted by Consortium affiliated personnel at the National AnimalDisease Center in Ames, Iowa. Carole Bolin, an NADC research leader an...... processed turkeys, so quickly that microorganisms have limited opportunitiesto grow. One gallon of water...y isbeing cooled. Studies by Waldroup and Forsythe have shown that direct applicationof ozone to poultry during immersion chilling can improve the microbiol...