Tag: "wild" at biology news
Cancer vaccine based on pathogenic listeria bacteria shows promise targeting metastases
...e, but with a thousand-fold less toxicity than the wild
bacteria. Cerus then took the genetically engineered listeria and inserted cancer antigens, again using a technique developed by Portnoy, then infused the vaccine into the mice. All showed tumor regression and reduced lung metastases, and 40 percent ...
Indiana University, EPA to study airborne PCBs
...e world's farmed salmon. The scientists found that wild
salmon tended to be less contaminated. Another study, published last year in the National Institutes of Health journal Environmental Health Perspectives and co-authored by Hites and IU School of Medicine scientist Robert Bigsby, showed that polybromi...
Bullish chemical could repel yellow fever mosquitoes
... is a natural skin secretion of the gaur, an Asian wild
ox. Preliminary evidence suggests that this chemical discourages the landing and feeding of Aedes aegypti, a common mosquito that carries and transmits the yellow fever virus in some parts of the world. Evans and his group used a rhodium catalyst to ...
Genes expose secrets of sex on the side
...ual dalliances: the guys most successful in sowing wild
oats passed on the proof in their genes. By usi... women traveled equal distances while sowing their wild
oats, Wilder, Hammer and Mobasher teamed up with research specialist Sarah Kingan and Maya Pilkingto...
Brown ecologist garners major National Science Foundation grant
...d how ongoing climate change will affect crops and wild
plants and point out ways to conserve species. The results may even shed light on how complex environmental cues affect animals, including humans, who share many of their genes with Arabidopsis....
Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
...y and economically unsustainable pressures on both wild
and farmed fisheries. Fatty acids are long straight chains of carbon atoms, ranging in length from about 12 to 22 carbons (C12 to C22). They have one water-soluble end and one oil-soluble methyl end, and are studded with hydrogen atoms along the len...
US investment firm gives away Rhode Island-sized lands in Chile
... play in the efforts to save wildlife and conserve wild
lands," said Dr. Steven Sanderson, WCS President a... of partnership for conservation of these precious wild
lands, which reflect the importance of Chile for global conservation. Goldman Sachs has set a new s...
Novel IBD therapeutic approaches reported from Washington Univ., Barcelona, LSU at APS meeting
...lammation. Compared with controls, colitis-induced wild
type mice showed significantly increased adhesion of platelets, with 2.5% of platelets adhering to ECs directly and 97.5% binding to adherent WBC. ICAM-1 deficient mice with induced colitis had significantly decreased platelet-WBC adhesion. Wi...
Viral suspect for amphibian decline traced to human spread through bait
...in the Journal of Molecular Ecology finds that the wild
incidences of a devastating iridovirus in Arizona ...nown, but it is lethal to tiger salamanders in the wild
in the west. "Bait stores collect their animals in the Midwest, for the most part Nebraska, West T...
Fossils reveal direct link between global warming and genetic diversity in wildlife
...cts of climate change on genetics. "In looking at wild
organisms in nature, I don't really know of another study like this," she said. "No one has really looked specifically at how the environment has influenced genes over a 3,000-year timescale. And our expectation is that other species will also show g...
Veterinarians discover first known case of canine distemper in a wild tiger
...rmed the first-known case of canine distemper in a wild
Siberian tiger in the Russian Far East, further threatening populations of this highly endangered big cat. Kathy Quigley, veterinarian for the WCS Siberian Tiger Project, confirmed that an adult female tigress that wandered into a Russian town exhibi...
Virginia Tech researchers to release findings on Smith River Project
...rginia-North Carolina line. The river is home to a wild
population of brown trout. The U.S. Army Corps of Engineers has been invited to make a short presentation on the status of its Philpott 216 Study, which will then be followed by a panel-type question and answer period during the second hour of the ...
Modest climate change could lead to substantially more and larger fires
...es of older forests, the authors say. Corridors of wild
areas between forests, through which species might migrate if their home territory goes up in flames, also could be affected, possibly eliminated. "The winners after fires in these cases are the weedy, adaptive, quickly reproducing species," McKenzi...
Tiny collars fitted on youngest-ever tiger cubs
...es from the Sikhote-Alin Reserve have fitted three wild
Siberian tiger cubs under six months old with tiny radio-collars, marking the youngest wild
tigers to be tracked by scientists. The collars-made with an elastic designed to expand and eventual...
Improving crops without genetic modification natural variation holds the key
... First Gur and Zamir identified genomic regions in wild
tomato species that affect yield, by creating a population of hybrid crosses of a wild
tomato species and a cultivated tomato species; each line had a single genomic region from the wild
Testing the fitness of biological clocks
... mixed colonies by combining the strains in pairs: wild
type and 22 hour; wild
type and 30 hour; 22 hour and 30 hour. Then they put these mixed cultures into incubators with three...
Nevada researcher re-ignites mammal reproduction debate
...g the amount of glucose in selected populations of wild
mammals. An injected steroid can block glucose circulation, and potentially increase the number of female offspring, while in the long term the same result may be accomplished through diet. Such a study would be able to show whether mammal populatio...
...trast to the almost unlimited natural diversity of wild
type barley. These new results emphasize the need to maintain and characterize the natural biodiversity of crop plants as a source of agriculturally important traits and underline the increasing power of molecular studies for understanding the mechan...
Plumbing trees' plumbing reveals their engineering skill
...st, due to grazing and human prevention of natural wild
fires over the last 150 years. In their experiments, Jackson and his colleagues descended into the caves and sampled roots of four tree species -- a juniper, an evergreen oak, a deciduous oak and the deciduous gum bumelia, which is also known as the ...
Ecologists help keep death off the roads
...uthors: "Large animals such red deer, roe deer and wild
boar are forest species, but their territory includes other habitats. Often they forage outside forest, especially when there are few people around. This then brings them into contact with roads, with disastrous consequences." The study found that co...
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