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Tag: "takes" at biology news

Tiny polyps gorge themselves to survive coral bleaching

...loser and closer to their thermal threshold, so it takes less of a warming event than it did before to cause a catastrophe." Coral are symbiontic organisms that host one-celled algae within their bodies for mutual benefit. The coral polyp, a relative of jellyfish and anemones, provides a safe home within...

Terahertz imaging may reduce breast cancer surgeries

...t for histopathologic examination, which typically takes several days. Thus, surgeons don't know if all the tumor has been removed until well after the surgical procedure has been completed, and often, repeat surgeries have to be scheduled. For the first time, however, terahertz imaging has the potential t...

Human albumin from tobacco plants

...roduced into the chloroplast, where photosynthesis takes place and where the genomes can multiply up to 10,000 times. A property highly valued by the experts has to be added to these positive results: the production of albumin from plants using this technique does not involve the escape of genes through ...

The closest look ever at the cell's machines

...tely we hope to achieve a 'molecular anatomy' that takes us from the level of the entire cell to the much deeper level of all the molecules and atoms that make it up." Baker's yeast is evolutionary related to the cells of animals and humans, which means that the findings will be more widely applicable. "...

Nanotechnology may find disease before it starts

... go to specific locations in the body. "The liver takes up foreign substances in the body, so it's not surprising that that's where we saw the particles," Rosol said. "But we ultimately want to be able to make these particles to go to the mammary glands or other tissues we're interested in." The ultrasou...

Next good dinosaur news likely to come from small packages

... of the adage "you are what you eat." "It just takes two or three pinches of bone powder to find molecular evidence," Ostrom said. "We have protein sequences from material believed to be in range of half a million years old. We are carefully working our way back in time." She said it appears some pro...

Sweet 'water taste' paradoxically predicts sweet taste inhibitors

...rin with a sensory experience in which plain water takes on a sweet taste has guided researchers to an increased understanding of how humans detect sweet taste. Reporting in an advance online publication in Nature, scientists from the Monell Chemical Senses Center describe how certain artificial sweeten...

Clock molecule's sensitivity to lithium sheds light on bipolar disorder

... which again inhibits bmal and clock. "The time it takes for that to happen determines the length of the cycle–roughly 24 hours–and keeps the clock going," explains Lazar. Penn colleague and coauthor Peter Klein, MD, PhD, Assistant Professor of Medicine, discovered a few years ago that the drug lithium, u...

Ancient DNA provides clues to the evolution of social behavior

...would say that sociality is so complicated that it takes a while to evolve, but maybe if a species has to be social to survive, social behavior could evolve pretty rapidly.'' If so, the study of rare Patagonian tuco-tucos could have implications for understanding the evolution of sociality in other specie...

Amazon rainforest greens up in the dry season

...t began collecting data in 2000. Once a day, MODIS takes a picture of each spot on the Earth. Each pixel in the images represents a square of about 820 feet (250 meters) on a side. If it's too cloudy at one spot one day, the next day's picture may be fine. Five years' worth of pictures means the scientist...

Viral protein helps infected T cells stick to uninfected cells

...hensive Cancer Center. "It shows that this virus takes advantage of something that T cells do normally, but, in this case, the virus is stimulating the interaction with other T cells rather than a normal immune response." HTLV-1 infects an estimated 15 to 25 million people worldwide. About 5 percent of...

Attractive birds more immune against bird flu

...she chooses males with a large forehead spots, she takes not only the healthiest males but also the ones with the best immune defence against future virus infections." The study also shows that the male collared flycatcher can change the size of the forehead spot during the mating season and that males th...

Molecule by molecule, new assay shows real-time gene activity

... processes, the expression of many important genes takes place at very low levels, making it difficult or impossible to observe using current technologies," says Xie, professor of chemistry and chemical biology in Harvard's Faculty of Arts and Sciences. "Our experiments provide the most sensitive means to ...

Researchers reveal lung's unique innate immune system

...es between the respiratory and circulatory systems takes place ?are protected from invading microbes by the alveolar macrophage. Macrophages are white blood cells involved in the inflammatory response throughout the body, cells normally on the alert for invaders to kill. Alveolar macrophages are unique ...

Genomics-based vaccine could prevent deadly cattle disease

...fever is significant reward, itself. "This disease takes an enormous toll on the local society and economy of rural areas across eastern and central Africa, including Maasai and other pastoral communities," he says. In particular, East Coast fever kills cattle kept by families trying to rise out of pove...

Deep-rooted plants have much greater impact on climate than experts thought

...reater evaporation from the leaves of water, which takes heat with it. Thus, the summer dry-season temperatures are cooler than would be expected. "When Jung-Eun incorporated this into the global climate model, we were better able to explain our observations and may be able to even predict future climate ...

It's in the genes: Study opens door to new treatment of the blues

...y safe and effective, they are still not ideal. It takes long-term treatment before seeing clinical benefit, and potential side effects are a serious problem. The findings of this study provide exciting new leads and point to potential strategies, such as developing drugs capable of targeting specific prot...

Research details how a virus hijacks cell signals to cause infection

...irus that causes meningitis and heart inflammation takes a "back door" approach to evade natural barriers, ... infection." In describing how the coxsackievirus takes advantage of signaling pathways, added Dr. Bergelson, his investigations revealed steps in a virus's...

UCLA scientists uncover mechanism of response to targeted therapy

...research, published this month in Nature Medicine, takes researchers a step closer to personalized medicine - treating cancer patients not with a one-size-fits-all therapy but with a treatment based on the specific molecular signature of their cancer cells. "We knew there were certain kidney cancer patien...

Georgia Tech accelerates drug discovery with new IBM supercomputing cluster

...flexibility of the systems also reduce the time it takes to complete research projects, allowing the Center more time to explore new commercial opportunities in the fields of pharmaceutical science and healthcare. ...

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