Tag: "weapon" at biology news

Bacteria use 'molecular lasso' to cop copper

...then reabsorb the compound and use the copper as a weapon against methane, from which they extract energy. The crystal structure of the compound--called methanobactin--will be reported in the Sept. 10 issue of Science. The research was led by Hyung J. Kim, who did much of the work as a graduate student at t...

Optimizing protein's 'death domain' halts leukemia in laboratory study

...emical "staples," and used it as a highly specific weapon to destroy leukemia cells. The findings will be published in the Sept. 3 issue of the journal Science. "We have demonstrated an approach for getting at potential new drugs by using natural sequences [of amino acids] that have known biological effect...

Children's Hospital Boston receives more than $10 million to help make smallpox vaccine safer

...nity to smallpox, which is now seen as a potential weapon of bioterrorism. Most susceptible to EV are the millions of Americans, including many young children, who have a history of atopic dermatitis, the allergy-related skin condition better known as eczema. People with weakened immune systems also are at...

Susceptibility of mice to mousepox offers promise of smallpox protection

...inst the threat of smallpox, a related virus, as a weapon of bioterrorism. HHMI international research scholar Gunasegaran Karupiah, a scientist at the John Curtin School of Medical Research at the Australian National University, and colleagues have identified proteins that determine which mice succumb to m...

Are bacteria turning our own weapons against us?

...d adds. "So a piece of the animal immune system a weapon usually aimed against them now seems to be helping bacteria invade our bodies." On top of that, invading bacteria with the α2m gene belong to many different groups that are not at all closely related. "We can already see more than ten cases wh...

For a male sand goby, playing 'Mr. Mom' is key to female's heart

...VILLE, Fla. --- What's a little male fish's secret weapon for attracting the lady fish? Something some guys but few other males in the animal kingdom have thought of: It acts like a good dad. Sand gobies, small fish native to the European coast, are among about 20 percent of fish families worldwide that di...

Experimental smallpox DNA vaccine protects primates from lethal monkeypox

...virus may exist, and its potential as a biological weapon has led to the production and stockpiling of smallpox vaccine and the immunization of some healthcare workers. The USAMRIID team, led by Jay W. Hooper, Ph.D., based its DNA vaccine on four genes from vaccinia virus--the same virus used in Dryvax, the...

Purdue scientists finding ways to outsmart crop-damaging bugs

...fy identifying effective compounds and add another weapon in the arsenal to fight crop-destroying insects. "If we can extend the commercial lifetime of a current pesticide with a negative cross-resistance compound, that's the best we can hope for," Pittendrigh said. The screening system for identifying nega...

Devastating parasitic weed may be felled by toxin borrowed from flies

... mechanism of another pest the fly may provide a weapon against parasitic weeds. Researchers from Virginia Tech in the United States and the Agricultural Research Organization (ARO) of Israel will likely create a buzz of fascination when they present their results at the 227th national meeting of the Amer...

Experimental smallpox vaccine protects against monkeypox in nonhuman primates

...virus may exist, and its potential as a biological weapon has led to the production and stockpiling of smallpox vaccine and the immunization of some healthcare workers. Because Variola no longer occurs naturally, vaccines cannot be tested for their ability to prevent smallpox in humans. Thus, licensing of ...

University of Colorado archaeologist, colleagues hot on the trail of ancient Persian warships

...nd when in was not in use. "It could be used as a weapon of last resort if the shaft with the iron point had broken or was lost during combat," he said. The researchers were able to get a close-up view of the spear butt-spike with the remotely operated vehicle, or ROV. As soon as it was determined to be m...

NAFTA arbitrators in environmental case agree to formal public input, a first for trade hearings

... strategic tool" for corporations and an offensive weapon against new environmental and other public welfare laws, according to IISD. Chapter 11 provides foreign firms with the opportunity to directly sue a government through an investor-state dispute settlement mechanism. Commonly found in international i...

Scientists report on promising new approaches to induce cancer cell suicide

...d a novel treatment approach using the tumor's own weapon against itself by forcing VEGF to act as a cell death factor instead of a growth factor. VEGF normally works by attaching to the extracellular region of VEGF receptor 2, which activates the intracellular region of the receptor to send growth signal...

Eastern Europe urged to prepare now for growing threat of HIV resistance

... (enfuvirtide, formerly known as T-20), the latest weapon in the fight against HIV drug resistance, is a valuable tool to both patients and payers in the treatment of HIV, particularly when used earlier in pre-treated patients. Eastern Europe urged to prepare for HIV resistance John Bowis, OBE, Member of ...

UCSD, VA and Cal-(IT) wireless technology to enhance mass casualty treatment in disasters

...ft of the chemical or radioactive matter used as a weapon of mass destruction against civilians. (See WIISA...Lenert noted that an example of contamination from weapon "hot zones" is the 1995 Sarin nerve-gas attack in a Tokyo subway. More than 100 emergency responder...

Adaptive mutation is common in E. coli, say IU researchers

...us bacteria could arm hospitals with a new type of weapon that helps them keep up with nosocomial infections caused by quickly mutating bacteria. But the discovery also feeds a fiery theoretical debate over when and why a bacterium might increase its mutation rate. Many scientists contend that dramatically ...

UT Southwestern researchers receive $15.1 million in federal grants to study biothreats

...Francisella tularensis that is easier to use as a weapon than anthrax. Dr. Michael Norgard, chairman of mic...ithin a few days. It has been used as a biological weapon in several countries. Dr. Vitetta expects to initiate tests in mice against airborne ricin as early ...

Project to make smallpox inoculations safe by 'leashing' current vaccine virus

...vely ending the danger of smallpox being used as a weapon of bioterror. Jacobs points out that the research may also be important for other medical research involving live viruses, including gene therapy and the use of viruses in combating bacterial infections. "This is a way of putting a leash on a virus, ...

Researchers identify botox receptor

...graine headaches, defense agencies condemn it as a weapon that could wipe out large numbers of civilians. While it is well known that this toxic substance can paralyze the body's muscles, including the ones that help us breathe, how it infiltrates cells to do this has not been determined. In a paper publ...

Fly bites plant, but plants can bite back, Purdue scientists find

...e that can kill the insect may add a new defensive weapon for the grain crop. Using the new gene in combination with other genes is expected to extend resistance time to the most economically damaging insect of wheat by as much as six times. Scientists from Purdue University and the U.S. Department of Agric...

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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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