Tag: "kinds" at biology news
Brain Protein "Rescues" Neurons From Atrophy
...y a key role in many neurological disorders. "Many kinds
of failures of neurons to grow, form and maintain ...ld lead to undersirable excess growth of the wrong kinds
of comnnections, said Katz. Added Lo: "Loss of some kind of neurotrophic interaction could also be t...
New Discovery About Genes Has Implications For Genetic Therapy
...uses might even have evolved originally from these kinds
of introns. "Their (the introns') only function is to replicate themselves, but in that process, they fundamentally influence the nature of the gene structure," he said. Such changes can drastically change the function of a gene. "These intron...
Nutrition Study Reshapes Strategies For Athletes
...ey, Houtkooper says, is eating enough of the right kinds
of foodsand eating them on a schedule coordinated ...search. "What werecommend to athletes are the same kinds
of things we recommend for thegeneral population to eat. "The difference is that if you are less act...
Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
...r to be a powerful inactivatorof several different kinds
of activated G proteins, removing a phosphatefrom the G protein to transform it to an inactive state. The Harvard-Duke team is now performing further experiments to understandhow the action of RGS10 itself is regulated within the cell. "While this ...
New Software Provides Quick Analysis of ion-Channel Activity
... implicated. For example, in people who have some kinds
of inherited neuromuscular diseases, an amino acid in the receptors for the neurotransmitter has been altered, he said. These alterations cause the ion channels either to stay open too long or not long enough, resulting in clinical disorders where t...
Brain Mapping In Real Time
...owing what brain sites are active during different kinds
of mental activity. fMRI generates a great deal of information quickly (half a gigabyte or more per experiment). In the past, computing couldn't keep up with the data, and it took 24 hours or more to produce a usable image. To deal with this bottlene...
Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...e centersof atoms by bombarding those with various kinds
of high speed subatomicparticles. If the OK-4's gamma ray energies could be boosted to about 150 million electronvolts, their higher intensities would "open up a whole new field forTUNL," said Tornow, who has begun a cooperative research program wit...
KU Researcher Eyes The Rain Forest Through The Trees
...try as tiny as Costa Rica or Panama will have more kinds
of rain forests than there are forest types in all of North America." To successfully reintroduce a species requires knowing a lot more about how the species grow and survive than is now known. "Quite a number of people are now studying what it takes...
Bigger Biology Tackled Through Keyboards
...Computational biologists begin to understand these kinds
of problems bybuilding a mathematical model. Like an architect's blueprint, such modelsaim to capture only the essential elements of a complicated phenomenon ina form that can be manipulated, investigated and used as an experimentaltool itself. "The...
Researchers Corral Millions Of Microscopic Membranes
...tients. Doctors must closely monitor the different kinds
of cells in a leukemia patient's blood. Using a sm...e been seeded with proteins that bind to different kinds
of cells, it should be possible to obtain measurements of the relative numbers of different cell typ...
Scientists Urge Further Study Of Alarming Coral Reef Decline
...nes. "But we arejust in the infancy of doing those kinds
of studies," said JohnsHopkins University biologist Gary K. Ostrander. Ostranderco-authored a scientific paper about the worldwide threat withbiologist William J. Meehan, a doctoral student in hislaboratory. The paper, essentially an overview of...
Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
...ople only think of the two or threeclosely related kinds
of crustaceans we eat." The researchers used an an...cestral relationships and evolution. "In primitive kinds
of crustaceans, we found Ubx-abdA is turned on in the firstthoracic segment and is 'on' from there b...
Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...se for understanding how animals evolved different kinds
of appendages was in the realm of comparative anatomy. And appendages, said Carroll, have been used as classic examples of independent evolution. But now Carroll and his colleagues argue that the problem of developing limbs, be they claws o...
Imaging Studies Illuminate Brain's Response To Cocaine
...onal doses of drugs. But animals cannotreport the kinds
of subjective, emotional reactions humans experience anddescribe by terms such as "rush," "high," "low" and "craving." The currentstudy supports previous animal observations of how the brain responds to cocaineand provides much greater detail regard...
First Selenium-Based Orally-Active Antihypertensive May Lead To New Family Of Therapeutic Agents
...ortance promptedrenewed interest. "There are many kinds
of antihypertensives on the market that act indifferent ways," May said. "We don't believe these compounds have aunique mechanism of action. What is exciting is that their biochemicalactivity depends on selenium." Researchers From Mercer Universit...
Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
...play different oligosaccharides, and even the same kinds
ofcells display different patterns depending on their stage of development orenvironment. Since each oligosaccharide is chemically unique, each imparts tothe cell a unique surface for interaction with the outside world. "We asked ourselves, ...
National Laboratory Known For Environmental Technology Directing Attention On Solving Agriculture And Food Processing Problems
...and FoodProcessing Initiative. "We have the right kinds
of skills to help solve theproblems." In addition to increased demand for food, those problems include farmingpractices that contribute to environmental problems, food safety concerns anddecreasing availability of land, water, energy and othe...
New Company To Turn UNC-CH, Army Inventions Into Improved Vaccines
...or -- a delivery vehicle that can be used for many kinds
of vaccines.Unlike most vectors, however, this one can be used in the same patient severaltimes. "Many vectors don't work well if reused because the immune system reactsto them," said Davis, research associate professor of microbiology andimm...
DT104 Advice:How To Slow Salmonella Spread
...expected those who followed would discover so many kinds
ofsalmonellae. -- Salmonella survival: Salmonella bacteria have a remarkable ability tosurvive under adverse conditions -- in pHs from 4 to 8 and temperatures between8 and 45 degrees C. Salmonella are "facultative anaerobic" bacteria thatthrive in...
SFSU Biologist Deciphers Desert Animals' Whistles And Drumbeats
...reat of predation is high, they have developed two kinds
of whistles and a pattern of ever-accelerating foo...iments to test the gerbils' responses to different kinds
of sounds. She played the taped sounds of moderate and then rapid whistles, and found the animals he...
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