Tag: "invasive" at biology news
Expert talks on invasive species Wednesday in D.C.
...e contributions they can maketo the battle against invasive
species. Williams is an expert on marine (saltwater) invasive
speciesand policy. At this forum on "The Conservation Community andInvasive Species," she will discu...
Ultrasound shown to be potentially safe, effective way to kill bacteria
...l high power ultrasound was already being used for invasive
and non-invasive tissue destruction," adds Bhardwaj, who is director of R&D at Ultran. He says, "The efficiency of an NCU device is dependent on the properties of the transition layers on the piezoelectric material which create the high acoustic pre...
JCI table of contents, December 15, 2002
...duces tumor cell invasion invitro and in vivo. The invasive
phenotype is associated with increasedlevels of cyclooxygenase-2 (COX-2) and matrix metalloproteinases and can beblocked by COX-2 inhibitors. HBx, a transcriptional activator, upregulatesCOX-2 expression at the mRNA and protein levels. These results ...
Cat parasite killing otters; Michigan's perch pressured; HACCP for medicine
... on Lake Michigan Yellow Perch Eurasian ruffe, an invasive
fish whose numbers have multiplied dramatically in Lake Superior, have now been spotted in northern parts of Lake Michigan. The good news is that round gobies, which are already abundant in Lake Michigan, may keep ruffe numbers down. The bad news is ...
People from distant lands have strikingly similar genetic traits, study reveals
...ent interview can, in fact, provide a useful, less invasive
alternative for assessing individual disease risks. DNA "microsatellites" In their study, Feldman and his colleagues analyzed DNA samples obtained from 1,056 people from 52 populations in five major geographic regions of the world: Africa, Eurasia ...
Vast, wild Northern Forest gains new allies: 18 projects named in $1.8 million study
...ite mapping to measure and predict the movement of invasive
species through the forest's ecosystem. And a third team will track the changes land use has on land-forms and water quality in the streams that flow through the Northern Forest. These are just three of 18 projects totaling nearly $1.8 million in res...
Exercise and recreation for people with mobility impairments
...lammation. Electrodes provide a safe and minimally invasive
technique for restoring motor function after paralysis of the central nervous system. Slower propulsion speed reduces shoulder strain in adult users of wheelchairs Examines daily wheelchair propulsion activity associated with the development of rep...
Ocean report calls for the immediate creation of marine reserves throughout the United States
...eration, pollution, runoff from land, aquaculture, invasive
species, coastal development and climate change. "Many of these threats go unnoticed because they are beneath the surface where casual eyes do not penetrate," Palumbi wrote. For example, an area equivalent to the landmass of Brazil, Congo and Indi...
Little value seen in CT scans for lung cancer screening
...ible harm to individuals who may unnecessarily get invasive
procedures if the scan detects a benign lung nodul...r deaths, and harm by the number of false-positive invasive
tests or surgeries. Over a 20-year period, there were 462,352 screening exams for current smokers. ...
Ant agriculture: 50 million years of success
...tion biology, biogeography, ecology, behavior and invasive
species. The Smithsonian's National Entomological Collection harbors some 35 million entomological specimens, and is essential to researchers in the United States and throughout the world....
Coral smothering 'green tide' seaweed spreading on Florida reefs
...pecies he has studied in the area because it is an invasive
normally found in the Pacific, but, until a year ago, nowhere in Florida. The species was probably inadvertently released from a saltwater aquarium or from a ship's ballast water. Because it is not native to Florida waters, it has no natural predator...
Research reveals how strep bacterium evades immune system
...n 2000, the reported incidence of the more serious invasive
GAS disease, which includes streptococcal toxic sh...ntravenous drug users) have increased risk for GAS invasive
disease. Some GAS infections may be asymptomatic, and if untreated, can lead to life-threatening i...
Down by the river
... that makes the area resource rich and perfect for invasive
and native plants to put down their roots. In a s...o frequent flooding also showed a higher number of invasive
exotic plants than upland regions outside of floodplains. Mild to low-intensity disturbances, such a...
Special section: Invasive species
...of Notre Dame in Indiana. It's hard to get rid of invasive
species that benefit some people economically. For... is that the natural enemies introduced to control invasive
non-native species can also harm native species. And more often than not, biocontrol doesn't even wo...
NIH study shows MRI provides faster, more accurate way to diagnose heart attacks
...c applications. MRI can be used to guide minimally invasive
procedures, including cardiac catheterization to open blocked arteries, direct the injection of therapeutic agents such as gene vectors or stem cells into damaged areas of the heart, replace heart valves, or remove cells that are causing arrhythmias....
US researchers find first conclusive evidence that lead is linked to male infertility
...ecognised that treating the male is generally less invasive
and less costly than treating the female."...
Researchers find invasive species are healthy species They leave their parasites behind
... popular culture, Lafferty said, "Parasites are to invasive
species what kryptonite is to Superman. On his hom...unlike Superman who used his power for good deeds, invasive
species can be devastating." The European green crab (Carcinus maenas) is one voracious predator tha...
Invading weeds escaped old enemies, brought immunity
...les E. Mitchell and Alison G. Power as "Release of invasive
plants from fungal and viral pathogens," is partic...Power was the finding that pathogens can help keep invasive
plants in check. "We're coming to realize we should be grateful for our native plant pathogens," add...
Theyre healthier: With fewer parasites, invaders gain competitive edge over native species
...f parasites. In Lafferty's view, "Parasites are to invasive
species what kryptonite is to Superman. Back on pl...unlike Superman who used his power for good deeds, invasive
species can be devastating." The scientists analyzed parasite studies of 26 invasive
Science picks -- leads, feeds and story seeds (February 2003)
...b. 5, 2003, issue of the journal Nature. When the invasive
species leave their own native environment they al...native lands and bring their parasites here to get invasive
species under control. At least with Superman, his super powers were used for good deeds, but these...
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