Tracking a killer: Observing liver invasion by malarial parasites
...oc in the liver, leaving a path of destruction and dead cells behind them. They moved through several consecutive hepatocytes before finally settling down in one to begin reproducing. The visualization advantages provided by using the fluorescent parasites and intravital microscopy now make it possible t...Researchers find first gene for inherited testicular cancer in mice
... in mice. The Ter mutation occurs in a gene called dead end, which is involved in normal testicular develo...mors during fetal development. The mutation in the dead end gene increases susceptibility nearly 20 fold and is therefore one of the most potent inherited c...Bee mites suppress bee immunity, open door for viruses and bacteria
... either infested with bee mites or mite free. The dead bacteria was used to trigger an immune response in the bees in the same way human vaccines cause our bodies to produce an immune response. They checked the bees for production of chemicals that disinfect the honey and for other immunity related chem...Stegosaur plates and spikes for looks only, researchers say
...eated. But it turns out that these "pipes" lead to dead ends, so their roles as major blood vessels are difficult to establish. To probe the possibility that the plates and spikes were heat exchangers, the paleontologists looked at the evolution of these skin growths in the thyreophoran family, which incl...'Dead zone' area in Gulf could be increasing, researchers say
...na State University and NASA recently surveyed the dead zone in the northern Gulf of Mexico and their find...n expected this time of year. That could mean the dead zone area could be more severe in 2005 and perhaps cover an even larger area than in previous years,...Buying time through 'hibernation on demand'
...more than an hour. When rescued she was clinically dead with no heartbeat, no respiration, and her body te...lous, unexplained survival in so-called clinically dead humans and our ability to induce and reverse metabolic quiescence in model organisms could have dr...The promise of new medical uses for sodium nitrite for heart attack and organ damage
...art study, nitrite reduced the size of the area of dead tissue known as an infarct by 67 percent compared to control animals given nitrate, another nitrogen compound. This potent protective effect was observed at concentrations of nitrite in blood that were only slightly higher than the physiological nor...Toxic flame retardant accumulates in dolphins
...liver material from laboratory rats and a recently dead seal washed up on a beach on Texel, the island off the Dutch coast where Royal NIOZ is located, to investigate the reason for these differences in bioaccumulation between the different HBCD isomers. The beta and gamma isomers of HBCD are metabolised...Antioxidant-rich diets reduce brain damage from stroke in rats
...e rushing to the site of injury to clear away the dead and dying cells. As a result, nearby healthy nerve cells may suffer collateral damage much the same way firefighters breaking into an apartment to put out a fire in one room may inadvertently cause damage to other rooms. Teasing out just which benefi...Currents could disrupt ocean food chain
...h. "When the Atlantic Conveyer current works, the dead plankton sink to the bottom and are replaced at the surface with nutrient-rich water that encourages further production," Schmittner said. "When the current is disrupted, and the mixing slows, that production also is disrupted." The shutdown of the ...Ebola virus: from wildlife to dogs
...a secondary way, through contact with carcasses of dead animals (2). However, the virus's natural cycle is...re were many cases where dogs had eaten remains of dead animals infected with the virus, nonetheless without showing visible clinical signs. In order to con...Ophthalmologists and physicists team up to design 'bionic eye'
...lan to directly stimulate the layer underneath the dead photoreceptors using a system that looks like a cousin of the high-tech visor blind engineer Lt. Geordi La Forge wore in Star Trek: The Next Generation. It consists of a tiny video camera mounted on transparent "virtual reality" style goggles. There'...Rounduphighly lethal to amphibians, finds University of Pittsburgh researcher
...the next day we looked in the tanks and there were dead tadpoles all over the bottom." Relyea initially conducted the experiment to see whether the Roundup would have an indirect effect on the frogs by killing their food source, the algae. However, he found that Roundup, although an herbicide, actually i...Advances in the characterisation of the oyster mushroom genes
...cellulose In nature, the oyster mushroom grows on dead trunks of trees where the lignin and cellulose the two principal components of wood - are being broken down. Degradation of lignin has been studied over the years by a number of research teams that have characterised the genes involved. But nobody, ...Oceans more vulnerable to agricultural runoff than previously thought, study finds
...n event and a massive algal bloom." Red tides and dead zones According to the researchers, artificially ...as they multiply. The result is an oxygen-depleted dead zone at the bottom of the sea where few creatures can survive. A massive dead zone appears every sum...Researchers make surprise discovery that some neurons can transmit three signals at once
... neurotransmitters are sent on a one-way ride that dead ends at the membrane of the adjacent cell. Like lock and key, they bind to specific receptors on the surface of the receiving cell, causing its electrical activity to be enhanced or inhibited. The first week after birth marks a critical phase in the...Stealth worms may improve insect pest control
...t 150,000 strong or more, these juveniles exit the dead larva, carrying the bacteria, and look for other hosts to begin the cycle again. These juveniles also can survive dry conditions in soils for long periods of time before they infect more insects. This naturally-occurring relationship between the nema......nned artificial 'moths' to trees in a field with a dead mealworm attached. The 'moths' were triangular pieces of waterproof card with specific patterns printed on them. By varying the colours, size and location of patterns on the moths the team were able to mimic real tree characteristics and identify whi...Bugs, even 'bad' ones, can be educationally beneficial, new book says
...ut in forests termites are important for recycling dead wood. Waldbauer spent 15 years studying the cecropia moth (Hyalophora cecropia), which he collected by driving along streets in Urbana, Ill., and retrieving cocoons from trees. With its colorful 5- to 6-inch wingspan, the nocturnal cecropia moth is t...New Georgia Tech micro-CT imaging technique to help tissue engineers improve bone regeneration
...le, have explored various strategies to revitalize dead allograft bone. Wrapping allografts with biomaterials containing living marrow cells or delivering bioactive genes has resulted in significantly accelerated repair and integration of allograft implants. While a traditional bone scan can give a docto...