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Tag: "create" at biology news

Too mellow for our predatory world

...ber of visitors - possibly the only possibility to create sustainable tourism, thereby ensuring the necessary protection of the unique animal and plant world of the Galápagos....

Researchers examine why food tastes bad to chemotherapy recipients

...duction of metal-catalyzed odors in the mouth that create a retro-nasal effect. "I am attempting to gain a better understanding of the metallic sensation, its prevention, and application to human health," Dietrich said. Along with two of her university colleagues, Susan E. Duncan, professor of food scienc...

New technology used to construct the first map of structural variation in the human genome

...day in the journal Genome Research --were used to create the first comprehensive map of CNVs in the human genome, concurrently published in Nature . A related article appears in Nature Genetics . CNVs are responsible for genetic changes in Alzheimer's and Parkinson's, susceptibility to HIV-1, some form...

Getting to the heart of the heart

...who is developing tissue-engineering techniques to create biological replacements for failing heart valves. Felix Engel, PhD, a cardiology researcher at Children's, recently got heart muscle cells to replicate, a feat that normally occurs only during embryonic development and represents another approach to...

'Killer' B cells demonstrate evolutionary link between fish and mammal immune systems

...ne system than previously thought. "If we work to create vaccines that encourage phagocytic B cell to respond to infection, then we would play to the strengths of fish immunity," Sunyer said. "In the long term, farming is a better, more environmentally sound approach to fishing, so better vaccines may mak...

Renewed dolphin slaughter prompts new campaign

...w bays by banging on partially submerged rods that create a sonic barrier. The dolphins are then corralled into nets and dispatched in a brutal manner: speared, hooked, hoisted into the air by their tails, and finally eviscerated alive. The methods, say researchers, result in a long and painful death for th...

Researchers reveal mystery of bacterial magnetism

... The research team is using genetic engineering to create a strain of the bacteria that become magnetic only when exposed to specific toxic chemicals, with the goal of using them as living chemical sensors. As a first step, they have created a strain that cannot make magnetosomes and therefore is not magne...

New biochip helps study living cells, may speed drug development

... muscle and nerve disorders like epilepsy and help create more productive crop varieties. "Instead of do...ntial across a cell's membrane, which cells use to create energy and transfer electrical signals. By quickly allowing ions in and out, they are useful for rap...

Cloning techniques produce FDA-approved antibiotic

... produce fosfomycin in a cost-effective manner and create more potent derivatives of it." Previously, four essential genes and a portion of fosfomycin's biosynthetic pathway had been proposed, but researchers were unable to produce fosfomycin in a non-native host. Zhao's findings indicate that the presenc...

How does a zebrafish grow a new tail?

...x parts might provide the information necessary to create treatments for people whose hearts, spinal cords, eyes or arms and legs have been badly hurt. Scientists have discovered some of the genes and cell-to-cell communication pathways that enable zebrafish to restore their tail fins. "The ability to ...

Jefferson researchers uncover new way nature turns genes on and off

... show in case of bxd RNAs," Dr. Mazo notes. "These create an enormous potential to regulate the neighboring coding genes in a time- and tissue-specific manner. This is a new type of transcriptional regulation mechanism for higher eukaryotes, and it is very likely that it is conserved in mammals." Underst...

Electronic chip, interacting with the brain, modifies pathways for controlling movement

...that the brain's nerve signals can be harnessed to create changes within itself. The researchers tested a miniature, self-contained device with a tiny computer chip. The devices were placed on top of the heads of monkeys who were free to carry out their usual behaviors, including sleep. Called a Neurochip...

Dust to gust

...th sides by enormous basalt mountain ridges, which create a cone-shaped crater with a narrow opening in the northeast. Winds that "drain" into the valley focus on this funnel-like opening similarly to the way light is focused by an optical lens, creating a large wind tunnel of sorts. As a result, gusts of s...

USC team reveals structure of APOBEC family protein

...Uncontrolled, of course, the APOBEC proteins could create havoc in a cell. But normally, under the cell's tight regulation, "these are the good guys," Chen said. When Courtney Prochnow, a graduate student in Chen's lab, first revealed the atomic structure of the enzyme, the research team was surprised b...

Sandia research to focus on early detection of harmful algal blooms

...ough the development of advanced technologies that create new water supplies, decrease demand through water-use efficiency, and provide decision-informing tools to the institutions responsible for balancing supply and demand. ...

Immune cell communication key to hunting viruses, Jefferson immunologists show

...ersity in Philadelphia have used nanotechnology to create a novel "biosensor" to solve in part a perplexing problem in immunology: how immune system cells called killer T-cells hunt down invading viruses. They found that surprisingly little virus can turn on the killer T-cells, thanks to some complicated...

Alarming decline in Nepal's rhinos and tigers in former Maoist stronghold

... as possible, while arrangements are being made to create new antipoaching posts around the entire Babai Valley. "This is clearly a very disturbing situation, and one that needs urgent action. But with the strong commitments already made by the Nepal government and given the new political climate of peac...

Scientists' cell discovery unearths evolutionary clues

... single cell organisms communicate and interact to create multi-cellular structures in response to changing environmental conditions. Previously, there was almost no molecular data for social amoeba ?Dictyostelia ?which are a hugely diverse and ancient group. Social amoebas are a group of organisms with ...

Bacterial 'switch gene' regulates how oceans emit sulfur into atmosphere

...ne that controls whether or not these sea drifters create DMS that rises into the air. "Isolating and discovering a novel, keystone bacterium from the ocean first, and then sequencing its genome enabled this team to find the genes involved in the DMSP cycle," said Matthew Kane, program director in the Nat...

Researchers find that bumblebees' flower choice matters

.... He divides each of the plants in the garden to create an exact copy of each population. Imagine having 20 sets of identical twins, he says, and dividing them into two groups that are exact copies of one another. That is what Karron has done with his garden, only he has produced many identical sets so ...

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