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Tag: "making" at biology news

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

...s the energy required for a cell membrane to bend, making it easier for the virus to infect immune cells. The finding, in press in Biophysical Journal, will provide vital data to conduct future computer simulations of HIV dynamics to help further drug discovery and prevent deadly infections. “We found that...

FDA sees nanotech challenges in every product category it regulates

...k Force report clearly states that size matters in making risk management decisions. Because the chemical, physical and biological properties of nanoscale materials are often different from their larger counterparts, they potentially lead to different safety issues. The report’s recommendations that FDA pro...

Researchers discover inherited mutation for leukemia

... two or three people within a family are affected, making it difficult to do the genetic studies needed to find possible mutations, Plass says. The family examined in this research was identified by collaborator Henry Lynch at Creighton University. The researchers are now studying the chemical pathw...

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

...ents, the team showed that the mice simply weren’t making fewer plaques, but rather that the body was better at getting rid of the plaques. The team suspects the involvement of brain cells called microglia, the major immune cell that rushes to injury sites and helps repair and clean up wounds in the brain. ...

Researchers find 24 species believed new to science in Suriname rainforest

...sphere, more than all the world’s cars and trucks, making conservation of the Amazon rainforest a crucial strategy for minimizing climate change. The burgeoning global carbon market creates new economic value for carbon stored in standing rainforest, providing fresh incentive for developing nations such as ...

Discovery in orange cauliflower may lead to more nutritious crops

...offer an alternate and complementary technique for making staple crops more nutritious. Li, in collaboration with Joyce Van Eck from the Boyce Thompson Institute for Plant Research at Cornell, is currently working on transgenic potatoes, altering genes to increase both the metabolic sink and beta-carotene...

Envisat captures first image of Sargassum from space

..., the oceans have a profound influence on climate, making them major areas of interest 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...

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

...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 destruction by most of the agents now used against it, he said., When a malaria par...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...th ways into mice to see if it survives and starts making proper connections. “The reason for using ovaries is when you have cancer, if you need chemotherapy, you often don’t have time to go through stimulation cycles to get oocytes,” says Dr. Emmi. “You are concentrating on getting rid of cancer cells.”...

In mice, drug protects against diabetes and atherosclerosis

...aP2 protein. "There was no traditional model of making a drug to inhibit this type of protein," said Hotamisligil. "Many people were skeptical that it could be done at all." The result was the drug known as BMS309403, described in the Nature article as a "rationally designed, potent, and selective inh...

Stroke study sheds light on left-right brain divide

...o be responsible for aspects of language, decision making and learning. The team found that people who had damage to their left side were more likely to realise they had made a mistake, and then correct it, compared to those who had damage to their right frontal lobes. Funded by the Wellcome Trust, the rese...

U-M researchers discover gene switched off in cancer can be turned on

...xic side effects, unlike traditional chemotherapy, making them more tolerable as a long-term treatment or in combination with other drugs. “Tumors are not the same from one person to the next, and even the cells within a single tumor are not the same. Giving a single drug or drug combination to 500 peopl...

Researchers examine carbon capture and storage to combat global warming

...l reservoirs, where it increases oil production by making the oil expand and ''thin out'' such that it flows...onds form between the carbon dioxide and the coal, making the method potentially more secure than others, the researchers said. Even better, the process ca...

Undergraduate research shows leaderless honeybee organizing

...ration signal to prepare the queen for swarming by making intrusions into her “court” and vibrating her hund...at a fevered pitch. Piping, which consists of bees making contact and vibrating their wing muscles rapidly, appears to be a general instruction to fly. The...

Massive herds of animals found to still exist in Southern Sudan

...technique of flying systematically along transects making observations of all wildlife, livestock, human activities and habitat. Observers on each side of the aircraft counted animals that they observed between two sets of rods placed on the wings of the plane. Using statistical techniques of extrapolation,...

Australian wins prestigious prize in biodiversity informatics

...Flemons said "I am honoured by the award. GBIF is making a significant contribution to biodiversity informa...ix of skill sets." The Prize winner also works on making desktop software tools into web-based tools that can be shared across the Internet. Sharing analyti...

Penn researchers link cell's protein recycling systems

...ause it is easy to visualize. They discovered that making the lysosomal system more or less active dramatically influenced the severity of neurodegeneration. “We found that whenever we knocked the lysosome system down, neurodegeneration always got worse,” says Taylor. “Then when we activated the autopha...

Plastic that grows on trees

...y different byproducts,” including levulinic acid, making product purification expensive and uncompetitive with petroleum-based chemicals. Zhang, lead author and former post doc Haibo Zhao, and colleagues John Holladay and Heather Brown, all from PNNL, were able to coax HMF yields upward of 70 percent fr...

Marine phytoplankton changes form to protect itself from different predators

... advantage. “We found that these organisms were making the right choice,” Hay said. “They were shifting to the shape that made them largely immune to whichever predator was attacking, and this shift suppressed either the feeding or growth and reproduction of the consumer to which they were responding.” ...

Mutating the entire genome

... mixing and recombining pieces of two chromosomes, making it easier to breed mice with human cancers. Such m... between genes also can mutate to cause disease by making the genes they control malfunction. “We know how to knock out genes, and that technology is very...

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