Tag: "researchers" at biology news
Calorie Restriction Reduces Age-Related Muscle Loss
...hondria convert oxygen and food to energy. The UW researchers
concentrated on two enzyme problems that usuallyindicate mitrochondrial defects: "red ragged" fibers (RRFs), which occurwith an abnormal accumulation of mitochondria; and COX-negative fibers, orthose that lack cytochrome c oxidase. Both RRFs and COX-...
Cricket And Chemistry Combine To Provide New Understanding Of How Fats Work
...ing resemblance to a set of cricket stumps and now researchers
at the University of Warwick have found new ways of distinguishing the subtle difference between the "leg stump" and "off stump" of fats that will provide us with a whole new understanding of fats. The chemical lay out of fats is in the shape of th...
Enhancin Protein Attacks Insect Immune System
...rnell University, have found a one-two punch. The researchers
have discovered and cloned a protein that, when de... the cabbage looper larvae (Trichoplusia ni). The researchers
looked at seven types of pests and found their method to be effective against the fall armyworm, bee...
Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say
...clearly use light signalsto ward off predators, UD researchers
found. This new insight into firefly behavior may ...ence." Decoding light signals Since at least 1952, researchers
have known that adult fireflies use lightpatterns as part of a mating ritual, Tallamy says. Because ...
Better Peroxidase Improves Disease Diagnosis
... extracted from soybean seed coats. Vierling says researchers
have found ways to extract peroxidase from the soybean hulls without reducing the value of the oil or the meal in the beans. "Peroxidase replaces a lot of really harsh chemicals," says Alex Pokora, vice president for technology for Enzymol, a worldwi...
Two Parasitic Wasps Show Promise For Controlling Pest Flies
... attacked and killed stable flies in thenorth, the researchers
reported. The information, Weinzierl said, "gives us some baseline data forcomparisons when future biological control measures involve the introductionof new species of parasites." The research is part of an effort tocontrol fly populations more ef...
Scientists Bridge Gap In Cell Communication
...ther critical tissues, has been found by a team of researchers
from the University of Wisconsin-Madison. The discovery, reported today (July 17) in the British scientific journal Nature, while fundamental in nature, is important because it adds an essential strand of information to scientists' understan...
Stopping "Cellular Suicide" Could Boost Production In Biotech Labs
...ses it toself-destruct." In biotech labs, however, researchers
want genetically-engineeredcellsto thrive and produce medicines for as long as possible--a goalthat isthwarted by programmed cell death. To remove this stumblingblock, Betenbaughinstalls "stop signals" at specific points along a cell's roadtowardsel...
Jefferson Scientists Discover Mechanism Of Viral Link To Disease Commonly Associated With Asbestos
...ead to improvements in cancer diagnostics. Cancer researchers
led by Antonio Giordano, M.D., Ph.D., associate...nd breast." Previous studies by other researchers
had shown the presence of SV40 in animals and in some cases, human. But no one knew if the virus ...
Fighting Wheat Scab In New York State
...d by-product, a poison known as vomitoxin. Cornell researchers
are collaborating with colleagues at the Brazilian...s and soil that exhibit anti-fungal activity. The researchers
also are examining some promising microbial strains and assessing them in greenhouse experiments for...
Resistance To Leptin Contributes To Obesity
...ore than 50 millionoverweight adult Americans, the researchers
note. "We knew obese mice and humans gener...jection and ICV infusion amongoverweight mice, the researchers
selected strains of mice with differenttypes of obesity. One type, the Diet Induced Obese (DIO) mou...
Coming Extinction Of One Of UK's Most Minuscule Plants Yields Information On Climate Change
...is country but in its death throes it is providing researchers
from the University of Warwick with important info...uses cause for concern. By studying the plant the researchers
will be able to determine if aberrations in weather are becoming part of a longer term pattern. If ...
UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...ent pollution and safety problems of their own, UW researchers
contend. Lead-acid batteries, which are used in General Motors' EV1 electric car, have a limited 70- to 90-mile range and threaten to increase heavy-metal pollution. Newer nickel-metal hydride and lithium-ion batteries offer better range and performa...
Yale Breakthrough In Destroying Drug-Resistant Bacteria Focuses On Thwarting Genes That Cause Resistance
...ire exposing patients to a second type ofbacteria, researchers
most likely will find a chemical package that can readilyenter the target bacteria. Then the method must be tested in animals andhumans. It is a relatively simple matter to design the EGS sequence itself, headded,because the methods are "al...
Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
... a negative impact on health, it is important that researchers
havea better understanding of how chemicals are disbursed through the atmosphere,Hornbuckle said. The interaction of persistent organic pollutants with plant surfaces is"very important in predicting how these chemicals travel," she noted. ...
Huntington's Disease Findings Pave Way For Potential Cure
...h exactly how has not been known. In 1979, researchers
from the Columbia University College of Physicians...nearly 20 years later, explained what the Columbia researchers
found. Usingnew "transgenic" mice developed by Dr. Bates to contain a disease-causingfragment of the...
Scientists Discover How Genes Work Together To Control Neural Development
...journal Cell , published on August8, two teams of researchers
report that they independently made the samediscov...nswere responsible for destroying Tramtrack. The researchers
genetically engineered strains of fruit flies to testa number of genes whose protein products they s...
Penn State Researchers Study Used Mushroom Compost
University Park, Pa. -- A team of Penn State researchers
will study mushroomsubstrate, the medium in which ...compost and then three feetbelow that. The researchers
will take water samples from these lysimeters followingprecipitation events to assess leaching from ...
First-Of-A-Kind Study By University Of Georgia Ecologist Estimates Role Of Natural Forces On Insect Populations
... in the green oak leaf roller moth thatthe British researchers
could not explain. Whatever the reason,Varley died in 1983 and Gradwell in 1974, leaving a classic studyand an opening for further study. "I had access to the data when I was a Ph.D. student atOxford," said Hunter, "and I have been studying it s...
Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
...os to peer backward in time. In the past fewyears, researchers
have made remarkable progress in identifying genes...eclosely related kinds of crustaceans we eat." The researchers
used an antibody that labels the proteins made by two closelylinked homeotic genes, Ubx and abdA, to...
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