Tag: "army" at biology news

Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report

... To defend themselves, bacteria deploy an army of small thiol mops thatsop up the SNO barrage and then break SNO down into harmless compounds.Thisis a bacterium's first line of defense. If too much SNO gets in, it disables the bacteria by damaging key proteinsthe bacteria need to survive...

Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease

... To defend themselves, bacteria deploy an army of small thiol mops thatsop up the SNO barrage and then break SNO down into harmless compounds.Thisis a bacterium's first line of defense. If too much SNO gets in, it disables the bacteria by damaging key proteinsthe bacteria need to survive...

Condom Use In Thailand Dramatically Cuts HIV Infection

...o a fivefold decrease in HIV infection among young army draftees innorthern Thailand and a tenfold decreas... The Hopkins study followed two groups of Thai army draftees from sixnorthern provinces in 1991 (n= 2,417) and 1993 (1,669). The study began afterthe st...

Malthus + 200: Disastrous 'Correction' Looms

...areful head count would reveal the strength of its army to its enemies."...

New Research On Environmental Pollutants

...eat from almost the entire century, bylocating old army food parcels. The oldest sample is a 1908 "Emergency Ration"of beef and ground wheat, one of the first tinned foods available. A total of 14samples from beef, pork, chicken and a type of bacon snack were taken. Theresults show that concentrations in ...

Could A 'Vaccine' Made From Our Own Cells Work Against HIV?

...fvaccination is badly needed, as a recent study of army recruits has suggestedthat rates of chlamydial infection among young women in the US are as high as 10per cent (This Week, 12 September, p 5). A human version would rely on culturingdendritic cells from blood samples, rather than bone marrow (see Dia...

UC Scientists Search For Alternatives For Methyl Bromide

...ns of the alternatives are now being studied by an army of University ofCalifornia scientists. A sampling of their research follows: Solarization of Strawberries Surprisingly Successful Alternative to Methyl Bromide Methyl Iodide can be an Effective Alternative "Thermal Death Database" ...

AAAS Report Attributes Majority Of Killings In Guatemala To State

...ations of the law during thecounterinsurgency, the army high command, as well as members of Guatemala'spolitical class, continues to evade responsibility for its deliberate long-termpolicy of extra-judicial murder, even for the army's well-planned early 1980sscorched earth policy." Many leaders of the cou...

Heat-Shock Vaccine Stops Bacteria Dead

...ered nearly complete protection against abacterial army of several million. This protection was a thousand times greaterthan that provided by a commercial pneumococcal vaccine, which only succeeded inpartially fighting off an infection of 1,000 pneumococcal bacteria. The Weizmann team now plans to test th...

Hopkins study shows new target for boosting the immune system to improve cancer vaccines

...irus thatcauses AIDS. "The CD-4+T-cell is like an army general that gives the order tokiller cells to seek out and destroy foreign invaders in the body. In cancer,the immune system remains asleep, because the CD-4+T-cell never sends the orderto attack. We believe the APCs can wake it up," explains Levi...

Single amino acid change in herpes virus prevents it from infecting neurons

...l it infects as building blocksto assemble a viral army before moving on to the next cell. It does this bytricking the cell into entering S phase, a time in the cell cycle when itprepares for cell division. "During S phase, the cell duplicates its chromosomes and generates alarge number of differ...

Conservation under the shade coffee canopy: ant-bird interactions in Panama croplands

...es assemblages of birds that follow swarm raids of army ants. In a phenomenon unique to tropical regions,... the open sun coffee plantations negatively affect army ants and their avian followers, there also appears to be a limit, say the scientists, to the value o...

Scientists discover a genetic cause for severe complication of the autoimmune disease lupus

... rid the body of rogue antibodies. When the immune army is not appropriately held in check, it may start attacking the body's own cells and tissues, causing rampant inflammation and other ailments. The new research examined naturally occurring variants of two genes for receptors in the immune system t...

Halfway human

...n many cases for living animals unless you have an army of graduate students to go out and watch them," says Delson. "For example, chimps and gorillas live in the same forest and they don't interbreed, although, if you take a small female gorilla skull and a large chimp skull, they're very hard to tell ap...

In gene therapy first, scientists restore vision to dogs born blind

...INESVILLE, Fla. --- During World War I, the French army dispatched ammunition-carrying Briard dogs to the front lines. The Red Cross turned to the shaggy-haired sheepdogs to haul first-aid supplies. And now Briards once again have been called to service: For the first time ever, animals that were born bl...

Development of important immune cells relies on more complicated influences than scientist had thought

...rugs that can create reinforcements for the body's army of immune cells. "The cell isn't just a tabula rasa -- a blank slate completely open to outside instructions. The cell is actively making decisions on its own that are sometimes hard for us to see," said Reiner, an Associate Investigator for the Abra...

Military foods could enhance soldiers' performance by 2025

... transportable gave rise to the famous dictum, "An army travels on its stomach" and to the technology of the tin can. Today's modern army is just as concerned about feeding the troops as Napoleon was two centuries ago. But the U.S. soldie...

The path to a folded protein, long a subject of debate, appears in many cases to be long and winding

... to the chemistry of life so much so that a small army of biologists and chemists has devoted itself to better understanding the process. Each of the bodys 20 amino acids, the building blocks of proteins, is habitually attracted or repulsed by water; its largely these affinities that drive the as-yet-un...

'Buried dams' help clean recycled water

...ges, lack of oxygen, lack of nutrients and a whole army of naturally occurring groundwater microorganisms that kill or inactivate them. In experiments undertaken in aquifers and under controlled conditions in the laboratory simulating conditions of an underground aquifer, results have shown that the dise...

Researchers at the University of Washington and in China release genome sequence of rice

...licing. "Think of alternative splicing as a Swiss army knife. It lets you do different things with the same gene. Rice doesnt like Swiss army knives, so it has more genes, even if it may not do as many things with these genes as humans do wit...

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