Tag: "helps" at biology news

Experiments illuminate workings of biological clocks

...TIM) present in a fly's brain is a key signal that helps tosynchronize the biological to the day-night cycle. In their current work, theHHMI team was able to demonstrate the biochemical mechanism that reduces levelsof TIM, a key to clock synchrony. Light itself doesn't directly reset the clock. Rather, li...

New technique identifies M. tuberculosis genes

...teria, have a two-component regulatory system that helps themfirst interact with their environment, then turn on certain genes to thrive inthe environment. Other genes identified are similar to genes of other pathogenic bacteria thathave been implicated as important in the virulence of those organisms. St...

Researchers say hormones are key to evolution of insect metamorphosis

...w life patterns have evolved. "Any innovation that helps you generate species that account for more than halfof all living animals is not a trivial innovation," he said....

Researchers discover hemoglobin's enzymatic nature

...se nitricoxide to kick start an enzymatic reaction helps explain the complicatedinterplay of hemoglobin and the three gases involved in respiration, oxygen,carbon dioxide and nitric oxide. "The worm is evolving the first indications of a respiratory functioninvolving oxygen concentrations," Stamler said. ...

Jefferson scientists propose mechanism to control the body's red blood cell and platelet production

...ical College have uncovered a potentialswitch that helps control the manufacture of red blood cells and blo...blood cells using a hormone, erythropoietin, which helps immaturered blood cells mature. But at the same time, too many cells can cause sluggishcirculation a...

Uncovering the role of water vapor in climate change

...monitor the amount of water vapor in theatmosphere helps scientists investigate a range of questions related to weatherand climate, Businger says. Businger will report results of his study at theconference. Several other researchers at the conference will discuss new ways toachieve a better under...

Symposium by ISPRS and the U-M College of Engineering

.... To make sense of a complex picture, sometimes it helps to take astep back and get the long view. But when it comes to seeing the complexpicture of the world's carbon budget--where human activity releases greenhousegases, and where the Earth's natural systems gobble them back up again--thatlong view is f...

Harvard Medical School researchers discover first in a new class of mitosis inhibitors

...ing monastrol in ongoing studies ofexactly how Eg5 helps build and maintain the mitotic spindle. Mitchisonsuspects, however, that there is more to Eg5. For example, spindle microtubulesare not static; they constantly slide towards the poles. Kapoor is wonderingwhether Eg5 acts like a "smart glue" that som...

Whitaker Foundation funds Washington University biomedical engineering facility

... and having the support of The Whitaker Foundation helps Washington University to meet those challenges." Shepley Bulfinch Richardson and Abbott, a Boston architectural firm that specializes in buildings for the fields of education and medicine, has submitted a conceptual design for a three-story, 96,000-g...

Exercise improves learning and memory

...have evidence for it, and it appears that exercise helps this happen." Sejnowski, Salk colleague Fred Gage,...s have shown that exercise increases alertness and helps people to think more clearly. Recently, Gage demonstrated that new nerve cells grow in the adult hum...

Desert bees hedge their bets, wait for the wet

... have rainfall-induced emergence is remarkable and helps further explain why bees are so diverse in arid regions." According to Danforth, "This past year was a good year for the bees. As humans we do a lot of bet-hedging, too. We use a bet-hedging strategy when we buy mutual funds for investments. As hum...

Yale yeast genome study could lead to further understanding of diseases like cancer

... of DNA throughout the yeast genome. This method helps characterize the yeast gene by determining when th...ofessor of biophysicsand biochemistry at Yale. "It helps us understand both the geneticblueprint and what that blueprint actually does." The study establis...

Understanding key protein in Fragile X syndrome

...NP complex. One is similar to a yeast protein that helps unwind mRNA during translation. Because translation is known to be governed in part by changes in mRNA structure, this protein may also play an important role in regulating the process. Identifying the proteins in the RNP complex is important, said W...

Parathyroid tumors can be removed safely in outpatient procedure

...pulation of the vocalcord nerve. This information helps the surgeon protect the nerve from injury." Parathyroid glands make parathyroid hormone, which helps the body regulate calcium levels. Butif one of the glands enlarges (a condition called hyperparath...

Meet the chemical that lets sea creatures thrive

THE secret of deep-sea living is a molecule that helps proteins keep their shape under thecrushing pressu...State University in Baton Rouge to find outif TMAO helps keep the animals' proteins in working order. They took the same enzyme from threespecies of scorpion...

Big brother has a lot to answer for

...es on the right hand than the left, which possibly helps their grip. But five asymmetries did seem to be random: hand and ear width, and the lengths of the ear, third and fifth finger. Having an older brother predisposed an individual to be less symmetrical. The more older brothers, the more marked the ...

X-rays may show way to better Alzheimer's drugs

...s releasing acetylcholine a neurotransmitter that helps ferry messages in the form of nerve impulses between brain cells. The acetylcholine shortage that ensues is compounded by the action of acetylcholinesterase (AChE), the enzyme which breaks down acetylcholine in the body at an astonishing rate of 2...

Research highlights from Pacific Northwest National Laboratory

...ommercially through Enabling Technologies Inc. It helps companies comply with regulatory requirements, reduce data entry time and reduce waste through sharing and exchanging of materials. ETI offers CMS as part of an integrated laboratory management system....

Scientists link gene to uterine dysfunction

...ctive cells within the uterine lining, tissue that helps the uterus receive and support developing embryos. Choo and colleagues speculate CENP-B plays a role in cell divisions that remodel the lining during estrus and pregnancy, although future studies are necessary to explore this hypothesis. More studi...

Study may help clarify how cells grow

...signals between proteins and enzymes within cells, helps clarify how those signals initiate or limit cell growth. Although still too basic for clinical use, the findings suggest the possibility of new drugs that would target specific growth-inducing molecules within cancer cells. A report of the study app...

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