impact 2 7

Tag: "impact" at biology news

Seagrass ecosystems at a 'global crisis'

...c life, alter water flow and can help mitigate the impact of nutrient and sediment pollution. ...

Are genomic technologies the answer to world hunger?

...es. However, these technologies are only likely to impact on world hunger if there is effective and efficient exchange of knowledge and experience through partnerships. A keynote speaker at the ESRC Innogen Centre's Annual Conference to be held on 5th-6th September at Regent's College, London warns of a ca...

Tearing down the fungal cell wall

... the link between the function of the gene and its impact on the structure of the spore cell wall. A recently developed gene disruption method was used to generate the fungal mutants (See "New method enables gene disruption in destructive fungal pathogen" at www.vbi.vt.edu/article/articleview/538/1/15/ ). ...

Fight weeds with plant pathogens

...t the development of resistant weeds or lessen the impact of herbicides on the environment," she said. Wee...weeds serve as reservoirs for plant pathogens that impact crops. According to Rosskopf, there are two approaches used for managing weeds with plant pathoge...

Hundreds of thousands of viral species present in the world's oceans

...s on the planet. As a result, they can have a huge impact ecologically. In a new study published online this week in the open access journal PLoS Biology, Florent Angly, Forest Rohwer, and colleagues detail their metagenomic study of the diversity of bacteriophage present in water samples collected from 6...

NASA satellite data helps assess the health of Florida's coral reef

...es of bleaching and ways to prevent it so that the impact of climate and man on these vital ecosystems can be minimized. ...

Cities change the songs of birds

...insight into the mechanism behind the homogenizing impact of the urban environment. The capacity of great tits to sing within a relatively wide frequency range, and the ability to adjust songs by leaving out lower frequencies, seems critical to the bird’s ability to thrive despite urban noise. Species witho...

Global changes alter the timing of plant growth, scientists say

... decreases in local plant diversity and negatively impact animals that depend on those plants." Satellite images in recent years have revealed that some regions of the globe are "greening" earlier in the spring--another signal that the Earth is responding to overall warming. The results of this study also...

Hair-growth drug artificially lowers PSA levels in prostate cancer screening, study finds

...get a five times higher dosage, 5 mg per day. "The impact of finasteride on PSA levels is significant," said...ledged gap in the primary-care community about the impact of Propecia on PSA levels. When doctors ask for their patients' medical history, they need to ask if...

Researchers link ocean organisms with increased cloud cover and potential climate change

...ing them to chemically attract more moisture. The impact of isoprene on atmospheric particulate matter was ...es explained. "That allows us to see strongly the impact of biology on the clouds." As a next step, Nenes would like to examine other areas of the globe f...

Discovery of the first resistance gene to rice yellow mottle virus

...e disease, but the real potential for reducing the impact of RYMV is to be found in the use of resistant var...s not generally produce leaf symptoms, or have any impact on the harvest production. However, these varieties do not have the agronomic characteristics sought...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

...drigan. The researchers believe that the total impact of the pandemic is much greater than currently recognized. In supplementary documentation (see below for a link), about half of the 202 chemicals known to be toxic to the brain are among the chemicals most commonly used. Testing chemicals for to...

Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes

...s study is believed to be the first to examine the impact of smoking in women who have received donated oocy...us data that show light smoking has no significant impact on IVF cycles, either through affecting the ooctye or the uterus. But, heavy smokers have a much low...

Global malaria map key weapon in fight against malaria, scientists say

... "How we design malaria control and measure its impact depends on knowing how much malaria exists in a given area," says Professor Bob Snow. "Like any war, knowing where your enemy is located and in what strength determines how you engage them. Intelligence is key ?without an intelligent approach to glob...

'Failed' experiment yields a biocontrol agent that doesn't trigger antibiotic resistance

..." Filutowicz explains. A powerful, long-reaching impact - all from an idea that originated in a failed experiment. ...

Fruit fly study identifies gene mutation that regulates sensitivity to alcohol

...ow that people who are less sensitive to alcohol's impact are at greater risk for becoming alcohol dependent," he said. The researchers exposed fruit flies to vaporized alcohol and monitored their behavior and motion patterns with sensitive tracking instruments. They isolated the flies that were less se...

To slow AIDS in Russia, treat HIV-positive addicts, Stanford study says

...ation. The researchers examined the hypothetical impact of treating only non-drug users, treating only ad... said. "Our main message is that really to have an impact on the epidemic, you have to treat both the drug users and non-drug users." ...

'GreeneChip' -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

...e are very excited to work with the WHO to make an impact in managing disease outbreaks globally—especially in regions of the world where resources are scarce," stated Thomas Briese, PhD, associate director of the Greene Laboratory. Implicit in globalization is the risk of known or new agents that appear...

First Quantum Grant to fund stem cell repair of damage from stroke

...ical technologies in hopes of making a significant impact in the prevention, diagnosis and treatment of disease. Funding was awarded to only one grant application out of more than 100 submitted. Karen Hirschi, deputy director of the Stem Cell and Regenerative Medicine Center within the Center for Cell an...

Progress made in HIV vaccine development

...inhold, PhD, from Duke University commented on the impact of these results in their accompanying editorial. "The DNA studies are a landmark for DNA-based vaccines in that they are the first to demonstrate a DNA vaccine successfully eliciting immune responses in essentially all vaccinated volunteers," they ...

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