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Tag: "made" at biology news

St. Jude study solves mystery of mammalian ears

...s waves in the fluid, somewhat like the tiny waves made by a pebble thrown into a pond. This energy causes...hearing should be affected when the mutant prestin made the cell extend itself. Therefore, the team developed a line of genetically modified mice that carri...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...URGH -- Carnegie Mellon University scientists have made an important discovery that aids the understanding...affected the energy of manufactured lipid bilayers made to mimic normal cell membranes. Lipid bilayers provide a protective barrier for the cell against int...

Scratch no more: Gene for itch sensation discovered

... research like this, a lot of substances have been made that block the activity of GRPR. So now researchers can study the effect of these agents on the itch sensation and possibly move that research to clinical applications fairly soon."...

Art and music for the birds

...ohn Walsh, a video artist, who sent Demaray sounds made by the catbird, an avid appreciator of human noise. The Rutgers-Camden scholar makes art that interacts with natural surroundings – imagine spotting a tree donning a sweater or finding a rock upholstered as a baseball. She decided to find out if rock...

Common cancer gene sends death order to tiny killer

...croRNAs are small chains of ribonucleic acid (RNA) made by the same machinery that produces other types of RNA in the cell, such as the messenger RNAs that carry the instructions to make proteins. Once produced, microRNAs stick to messenger RNAs and, like crumpled paper jammed in a copy machine, prevent p...

Brain inflammation may be friend, not foe, for Alzheimer's patients

...ltale clumps of material known as amyloid plaques, made up of the peptide amyloid beta, worsen. Instead, t...ltale clumps of material known as amyloid plaques, made up of the peptide amyloid beta, worsen. Instead, to the team’s surprise, the brains of the mice with...

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

...ontrols movement. Initially, the animal learner made large errors, but also stored the information about its mistakes in a memory bank so it could adapt and make more accurate predictions the next time around. Every time the learner repeated the task, it would sift through the prior knowledge in its me...

Threats to wild tigers growing

...sue of BioScience. Growing trade in folk medicines made from tiger parts and tiger skins, along with habit... tiger parts encourages poaching, because products made from animals farmed at great expense cannot be distinguished from products made from wild tigers. ...

Researchers find 24 species believed new to science in Suriname rainforest

...phibians, fish and insects. Presented in a report made public today, the findings from a 2005 expedition led by Conservation International’s Rapid Assessment Program (RAP) and a follow-up survey in 2006 demonstrate the value of exploring unknown regions such as Suriname’s rainforest to assess the need to...

Researchers track how spores break out of dormant state

...ication. Although significant progress has been made in understanding the biochemical and genetic bases of the spore germination process, it is still unclear how a spore breaks out of its dormant state. But a new in vitro study of single germinating Bacillus atrophaeus spores details how the spore c...

New study reports hotel guests at risk from carbon monoxide poisoning

...tudy CO risk in that industry. The AH&LA study made no specific recommendations regarding prevention of CO poisoning to guests, and concluded, ‘AH&LA will continue to monitor industry-related carbon monoxide issues.’ Until CO alarms are installed in hotels, motels, and resorts, guests should consi...

Research team identifies new Alzheimer's gene

...ul example of a fundamental life science discovery made by an Affymetrix customer. Our latest microarray ... in a comprehensive set of high-quality data to be made publicly available to the research community. The researchers believe that deposition of this data s...

Envisat captures first image of Sargassum from space

...rest for climate modellers. The discovery was made using the MERIS maximum chlorophyll index (MCI) which provides an assessment of the amount of chlorophyll in vegetation to produce detailed images of chlorophyll per unit area. MERIS is uniquely suited for this because it provides images of above-atm...

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

... version of the much smaller PfCRT gene. PfMDR1 is made up of about 4,000 base pairs and its protein is particularly large, Roepe said, making the recent work much more challenging. Already, analysis of these three anti-malarial drug resistance genes is painting a picture of how the parasite escapes d...

New bacterium discovered -- related to cause of trench fever

...artonella species, and culture of the new organism made study of the DNA much easier. Also collaborating on the research were scientists at the Massachusetts General Hospital of Harvard Medical School and the Centers for Disease Control and Prevention. Before 1990, no Bartonella infections had bee...

Newly found sensing system enables certain bacteria to resist human immune defenses

...d toxic shock—avoid being killed by AMPs. AMPs are made by virtually all groups of organisms, including amphibians, insects, several invertebrates and mammals, including humans. “Gram-positive bacteria are major threats to human health, especially due to increasing problems with drug resistance, and th...

Brightening prospects of using fluorescent nanotubes in medical applications

...the nanotube light to stand out. Nanotubes are made entirely from graphitic carbon, which is non-toxic and, at least so far, experiments that have been done indicate that they do not damage living cells. By comparison, quantum dots, which are a popular alternative fluorescent tagging technology, conta...

Stroke study sheds light on left-right brain divide

...eir left side were more likely to realise they had made a mistake, and then correct it, compared to those ...ovement to the left or right. All the participants made mistakes during the task, but it was those with right-brain damage who most frequently failed to spo...

Newly discovered antibody may be body's natural defense against Alzheimer's

...a potential new treatment for Alzheimer's. IVIG is made from the blood of healthy donors and was previously reported to contain small quantities of antibodies against beta amyloid. "The effects of IVIG in lowering beta amyloid levels in Alzheimer's patients in our Phase I clinical trial were much more...

Physicist cracks women's random but always lucky choice of X chromosome

...ms evolve in ways that allow a "best" choice to be made between things rather than a random one. Now researchers led by University of Warwick physicist Dr Mario Nicodemi have explained how this randomness occurs and why that it is beneficial. This will help understand the problems of a small number of ...

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