Tag: "acquiring" at biology news

Female Fireflies Lure Males For Defense Chemical

...ical also protects firefly eggs. "This strategy -- acquiring ready-made defensive chemicals from other organisms -- turns out to be quite common in nature," Eisner commented. "The more we study insects, the more we find them taking chemical defenses from plants and from other insects. And plants are 'experts...

Researcher Discovers Plant Genes For Phosphate Uptake

...tain molecules in roots and makes plants better at acquiring phosphate. In collaboration with Jose Pardo from Instituto de Recursos Naturales y Agrobiologia in Spain, Raghothama decided to concentrate on plants' genetic and molecular responses to phosphorus deficiency. Perhaps, he thought, he could find out wh...

Virologists Track New Influenza Threat

...is "all-bird" influenza type is acquiring any genes from influenza viruses common in people. That type of genetic variation could also make widespread transmission more likely, she said. "This could very well die out like the swine f...

DFG To Fund Six New Research Units

...dies will try to explain the mechanismsinvolved in acquiring and using spatial information. The work planned also promises tostimulate the optimisation of technical systems (robots) and the rehabilitation of people withneurological deficits (e.g. after suffering a stroke). To ensure that new structures like hi...

Tracking Hepatitis C: Health Project Demos Worldwide Early-Warning System For Disease Outbreaks; Sandia Tests Disease-Tracking Approach

...cal experts from around theworld in evaluating and acquiring technology that can help ease tensions amongcombatants in regional conflicts and keep weapons and weapons materials secure. "The surveillance of infectious diseases, because of their destructivepotential, is an important national security concern," D...

Enzyme Required To Prolong Life In Worms Identified By Researchers At Columbia; Key Enzyme Appears To Protect Animal Cells From Oxidative Damage

...longer? An evolutionary argument can be made that acquiring a gene toextend adult life after reproduction would be difficult, if not impossible,Professor Chalfie said. However, a gene that would extend the dauer period, adormancy period before reproductive maturity, might convey a selective advantageto the a...

Drug users, Native Americans susceptible to infectious diseases

...opic virus type II(HTLV-II) have a greater risk of acquiring bronchitis, bladder and kidneyinfections, oral herpes, and pneumonia. The study appears in the July 12 issueof the Archives of Internal Medicine. HTLV-II is a retrovirus that infects white blood cells. It is closely relatedto HTLV-I, a retrovirus r...

Better "bugs" lead to cheaper ethanol from biomass

...lso generate data and materials useful for Arkenol acquiring engineering guarantees for their planned facility in Sacramento. The licensing agreement will give Arkenol rights to use the NREL-developed microorganisms at its Sacramento facility. The CRADA is cost-shared, with Arkenol contributing appr...

DFG to set up 21 new collaborative research centres in 2000

...221/54 8228/8227 Chronic infectious diseases are acquiring increasing importance in the medical field. Pathogens are able to evade the immunological defences of the affected host, thus becoming inaccessible to many therapies. The purpose of the collaborative research centre "Invasion and Persistence in Infec...

Abgenix to become sole owner of Xenomouse fully human antibody technology

...gs useful in treating a wide range of diseases, by acquiring all of the interest in the technology owned by JT America Inc. (JT America). Under the agreements signed today, Abgenix will pay $47 million to JT America for its 50 percent interest in Xenotech, Inc., and Xenotech, L.P., (Xenotech), an equally owned...

Iron-binding compounds produced by marine bacteria have important implications for marine microbial ecology

...that different bacteria had thesame 'strategy' for acquiring the iron. They state: "It is quite strikingthat these siderophores, whose distinctive properties hint at thepossibility of a novel iron acquisition mechanism, are made by strains fromtwo different genera within the gamma proteobacteria." They conclu...

Memory, forgetfulness help hamsters time breeding

...ree months was no more effective than two weeks in acquiring the long-day photoperiodic memory. Unlike strong or weak memories, there doesn't seem to be any sort of gradations; the animal either gets the memory or it doesn't." Prendergast also "taught" a group of hamsters the long-day regimen and then surgical...

DFG to launch 21 new priority programmes

...ernational research on Mars. The programme aims at acquiring an understanding of spatial and temporal aspects in the creation of planets and the development of planetary bodies. ENGINEERING SCIENCES In future, new materials with tailor-made properties will be required for a number of applications in mechanic...

Gene barrier in corn may boost trade, environment

...s that prevent other plant and animal species from acquiring foreign genes. It may be that similar genetic barriers exist in nature for other commercially important plants, Gerrish says, and Kermicle's discovery is certain to inspire quests for those plants and their respective barrier genes....

Economic realities depleting arsenal of antiparasitic drugs

...inicians noticed that they were having a hard time acquiring the drug praziquantel which is used to treat schistosomiasis, a parasitic disease that can cause chronic liver damage and affects an estimated 200 million people worldwide. The drug's manufacturer had simply stopped making it in the United States be...

DFG establishes 23 new graduiertenkollegs (university graduate training programmes)

...hed in teaching and research. These programmes are acquiring an increasingly international character. At present, around ten per cent of all doctoral students in Germany are working for their doctorates in Graduiertenkollegs. The graduates from these groups are normally more broadly qualified than their counte...

Finding a market for 'ecosystem services'

... noted, by demonstrating the cost-effectiveness of acquiring and protecting watershed land north of the city. Since then, he said, New Yorkers have gained a better understanding of other services provided by watershed conservation, such as the protection of wildlife habitat. "Can we generalize from New York Ci...

New research software to simulate biochemical processes

...demic sphere. Commercial users also may benefit by acquiring licenses to draw on its resources. In April 2000, the Commonwealth of Virginia established the Virginia Bioinformatics Institute (www.vbi.vt.edu) at Virginia Tech. VBI is a research and economic development institute; the researchers working there al...

Scientists, ships, aircraft to profile Asian pollution and dust

...erated by NCAR, on its first researchmission since acquiring four brand new engines and a sporty paintjob. Its newly developed intake inlets can for the first timeaccurately capture air containing both large and fine particles intheir natural distributions, undisturbed by instrument turbulence. Using a highly ...

LSU researcher finds new petroleum method, receives patent

...ood and agricultural wastes. Traditional means of acquiring petroleum, including exploring, drilling and transporting crude oil, have an impact on the environment. Further, combustion of natural petroleum products, such as gasoline, releases "new" carbon dioxide into the atmosphere, which is a major factor in...

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