Tag: "little" at biology news
New paper in Science introduces revolutionary new paradigm for fishery management
...be implemented right now, even in cases where very little
information is available," says Pikitch. "Because of the complexity and uncertainty about marine ecosystems, this approach will inevitably require erring on the side of caution." Managers would need to pay closer attention to the entire food web, suc...
Cell study leap forward for tissue engineering, diseases
...ular basis of how tissues are shaped. Until now, little
has been known about how the overall direction of tissue shape change is controlled to ensure normal embryonic development. This finding could also have implications for tissue engineering, for researchers who might want to control the shape of a tis...
Argonne scientists determine structure of staph, anthrax enzyme
... like staph and anthrax need iron to function. But little
free iron is available in the blood stream because...hem or control them," Joachimiak said. "We know so little
so far." Research continues at Argonne's Structural Biology Center where more than 530 structures ha...
Oxygen sensing in worms may hold key to healthy blood pressure in humans
...nt, the concentration of oxygen in ambient air. A little
oxygen goes a long way: Systematic genetic engineering and molecular studies confirmed the researchers suspicion that the GCY-35 enzyme was binding to oxygen rather than nitric oxide. However, the discovery of the oxygen-sensing mechanism in the nem...
Scientists find 75 percent of red snapper sold in stores is really some other species
...labeled, which is something that we currently know little
about." A report on his group's research appears ...e western Pacific or from rare species about which little
is known, he said. "The remarkable extent of product mislabeling of red snapper threatens to distor...
Sleepless over Seattle: Migrating songbirds forgo sleep but keep their wits
...s well, raising the question of how they cope with little
sleep. A new study, published online in the open-a...migration periods, the birds performed normally on little
sleep, but during the times of year when they were not migrating, sleep deprivation seemed to hurt t...
Institute for OneWorld Health receives Gates Foundation grant
...st 10 months. However, until Sanaria was launched, little
effort was made to develop a malaria vaccine based on this approach. Sanaria is applying its unique manufacturing techniques and expertise in malaria and vaccine development to develop a novel, effective, practical and safe malaria vaccine. "Exposur...
UW study: Migrating birds offer insight into sleep
...ds of miles every year accomplish the feat on very little
sleep and what that ability means for humans who a...searchers ascertain how the birds do so well on so little
sleep during migration, the finding could benefit people who need to stay awake and function at a hi...
Altered expression of key developmental genes underlies evolution of butterfly wing patterns
...nes in the formation of eyespot wing patterns, but little
was known about how changes in the activity of these genes translated into the diversification of color patterns over evolutionary time. In their new study, Dr. Robert Reed of Duke University and Dr. Michael Serfas of the University of Wisconsin, Mad...
When sun's too strong, plankton make clouds
... the form of ultraviolet (UV) radiation bother the little
plants. When they are bothered, or stressed, plankton try to protect themselves by producing a compound called dimethylsulfoniopropionate (DMSP). Though no one knows for sure, some scientists believe DMSP helps strengthen the plankton's cell walls. T...
Chipmunks descended from ancestors that survived last ice age, scientists say
...ther 78 haplotypes, whose genetic sequences showed little
divergence, were found primarily in chipmunks from northern Wisconsin to southern Illinois. The data, the researchers write, "indicate that T. striatus from Wisconsin and Illinois are descended from a population that has recently expanded out of a sm...
Society for conservation biology conference
...etically distinct sub-populations, suggesting that little
mixing occurs. With Climate Change, Will Species ...es towards an endangered species or ecosystem, but little
is known about what approaches are most efficient in the face of limited resources. A team of Venez...
Confidentiality of genetic databases questioned by Stanford researchers
...racking the genetic code, scientists have paid too little
attention to privacy issues, say researchers at the Stanford University School of Medicine. Their findings, published in the July 9 issue of Science, suggest that traditional means of ensuring confidentiality do not apply to genetic data and that add...
Water study yields a few surprises for New England
... that: Streams draining rural watersheds with as little
as 3-5 percent urban lands showed signs of degradation such as the reduction in populations of pollutant-sensitive insects and fish. Some of the watersheds studied with only 20 percent urban lands had severe degradation of aquatic life. Although th...
Researchers discover how worms' noses sense oxygen
...gate environments that can contain dangerously too little
or too much oxygen. Yet, scientists know little
about how animals sense oxygen levels around them. Researchers from the Berkeley and San Francisco c...
Experiment station researcher looking for missing links in corn
...s Africa, because of its high rates of population, little
application of improved technology and escalating food deficits. Borlaug and the International Center for Wheat and Maize Improvement are promoting the development and adoption of Quality Protein Maize in developing countries around the world. While...
'Trap' crop saves Texas cross timbers melon production
...ry for some time. At first the chief suspect was a little
known species of leafhopper. But as more data was accumulated, it became obvious that another insect, the squash bug, was the culprit. The proof involved "Koch's postulates," a series of rules for finding the cause and vectors of disease. In use for...
Global competition closes Texas sawmills/paper mills
..., as automated sawmills need less timber, and have little
use for smaller trees. Paper mills, of which two were lost, also used smaller trees, Foster said. Timber growing is a long-term venture. Many growers counted on the mills continuing to need all their timber, even smaller trees that are periodically ...
Study supports association between HPV infection and head and neck cancer
... had a distinct genetic pattern in which there was little
chromosomal loss. HNSCCs that lacked transcriptionally active HPV DNA had a genetic pattern in which whole or large parts of chromosomal arms were lost early in tumor development. The observed patterns support the idea that HNSCCs can be subdivided i...
FSU scientists develop new tests to detect nut allergens in processed food
... for allergy sufferers. In the end, the nutritious little
nuggets refused to surrender their allergens, but the research yielded sensitive techniques that detect minute traces of the nuts -- potentially fatal to allergic consumers -- in seemingly nut-free processed foods. The study, "Impact of gamma-irradia...
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