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Tag: "was" at biology news

Math that powers spam filters used to understand how brain learns to move our muscles

...n would also be memorized. While short term memory was periodically purged, repeated errors were transfer... a long term memory bank. The computer learner was tasked with “looking” at a spot of light. Then all the lights were turned off. The spot of light was...

Researchers find 24 species believed new to science in Suriname rainforest

...ining activities had contaminated a creek where it was last seen more than 50 years ago. Overall, the survey recorded 467 species at the two sites, including large cats such as panther and puma, various monkeys, and a range of reptiles, amphibians, bats, birds, fish and insects indicative of the lush ...

Old memory traces in brain may trigger chronic pain

...in, the more activity in the prefrontal cortex. He was able to predict the years of their suffering from the MRI. “It’s cumulative memory,” he explained. “I can predict with 90 percent accuracy how many years they have been living in that pain without even asking them the question.”...

Gene therapy delivery of nerve growth factors reverses erectile dysfunction in animal model

...omy may take a long time. In this study, which was led by Joseph C. Glorioso, III, Ph.D., chair of the department of biochemistry and molecular genetics, and Joel Nelson, M.D., chair of the department of urology, University of Pittsburgh School of Medicine, researchers inserted either the gene for th...

Discovery in orange cauliflower may lead to more nutritious crops

... and beta-carotene synthesis. Orange cauliflower was first discovered in a farmer's white cauliflower field in Canada about 30 years ago and is now available at supermarkets....

Simulations unravel outer membrane transport mechanism

...nia, appears online in the Biophysical Journal and was described in the May 25 edition of Science. Tra...s the point on the TonB protein at which the force was applied. To view the results of the simulation, please go to: http://www.life.uiuc.edu/emad/TonB-Btu...

How sneaky HIV escapes cells

...ce nearby proteins together into a clump, and this was enough to get them sent out of the cell in exosomes. If they added a tether to force naturally-clumping proteins inside the cell to the membrane, the proteins met a similar exosomal deportation fate. The major HIV protein ‘Gag’ has both of these ...

New study reports hotel guests at risk from carbon monoxide poisoning

...erican Hotel & Lodging Association (AH&LA) was found pertinent to CO poisoning prevention, although the AH&LA educational foundation contracted with Schirmer Engineering (Deerfield, Illinois) to study CO risk in that industry. The AH&LA study made no specific recommendations regarding pre...

Snoring in children might be an allergic type disease

...ke were found to be unrelated. The study cohort was drawn from participants in the Australian Childhood Asthma Prevention Study (CAPS) – a randomised controlled trial of dietary intervention and house dust mite avoidance during the first five years of life. 219 children within the original study gr...

CSIRO scientists join fight to save 'Tassie devil'

...disease across Tasmania. “The result of my work was a map showing the spread of DFTD over time and som...elping the Tassie devil to survive the DFTD threat was crucial, not just because it is a major tourism attraction but also to ensure devils continue to pla...

The insect vector always bites twice

...he work conducted on human African trypanosomiasis was to analyse the antibody response to identify exactly, in total saliva extract of Glossinia flies, the immunogenic proteins responsible for synthesis of these specific antibodies (2). The different saliva proteins of four Glossinia species, uninfected...

A new plant-bacterial symbiotic mechanism promising for crop applications

... and set off nodulation. The first observation was that the bacteria did not penetrate the roots of its host-plant by the hairs. It took advantage of “crack zones” comparable with wound areas. The set of results obtained from subsequent work, seeking to identify the genes involved in producing the un...

Bigger horns equal better genes

...rsity of Alberta and co-author of the study, which was published this month in the journal Molecular Ecology. The researchers found that horn sizes among younger ibex (one- to six-years-old) are relatively similar regardless of their genetic diversity. However, once the ibex mature to the age when the...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...rst place winner of a Kaye Innovation Award, which was presented today (June 6) during the 70th meeting o... to intestinal enzymes when swallowed, and that it was able to cross the intestinal wall and gain access into the blood stream. Once in the blood, it could...

Envisat captures first image of Sargassum from space

...interest for climate modellers. The discovery was made using the MERIS maximum chlorophyll index (MC...S is not present on other ocean-colour sensors. It was essential to our detecting Sargassum," Gower said. "The MCI index has allowed us to find so many int...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...n gene that contributes to such resistance. And it was no small feat. The gene they laboriously construct... discovery programs based on the toll the parasite was having on soldiers − more U.S. soldiers died from malaria in the Pacific than from all enemy fire,...

Pesticides choke pathway for nature to produce nitrogen for crops

... either the plants or bacteria, Fox said, "but PCP was unique in that it inhibited both seed germination and nitrogen fixation." More than 20 commonly used agricultural chemicals shared the same mechanism of action as PCP, but with varying amounts of signal disruption. Fox, McLachlan and colleagues, ...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...hese species from throughout the Caribbean islands was completely unexpected," Hedges said. To make their discovery, the researchers sequenced the DNA of nearly 300 species of Caribbean, Central American, and South American frogs and used three mitochondrial genes and two nuclear genes in their study,...

New bacterium discovered -- related to cause of trench fever

...s. But genetic detective work revealed that she was infected with a new bacterium that had never befor... by sand flies. The researchers first thought this was causing the patient’s infection. But genetic comparisons showed that although the new bacterium...

In mice, drug protects against diabetes and atherosclerosis

...blished online at Nature on June 6, 2007. The team was led by senior author Gökhan Hotamisligil, chair of...arvard School of Public Health (HSPH). Lead author was Masato Furuhashi, research fellow in the department. In earlier studies, Hotamisligil's lab members...

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