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Tag: "helps" at biology news

Viral protein influences key cell-signaling pathway

...asmic reticulum (RER). Among other things, the RER helps regulate the amount of calcium in the cell. The investigators found that the p12 protein allows calcium to leak out of the RER, thereby causing calcium levels to rise elsewhere in the cell. "Calcium is exquisitely regulated in cells," Lairmore says....

Flocking together: Study shows how animal groups find their way

... finding, published in the Feb. 3 issue of Nature, helps settle age-old questions about how animals coordinate their actions. Previously, scientists had looked for subtle signals or other explicit systems that animals may use in disseminating information through groups. The new study showed that such compl...

Stem Cell Research Shows Potential for Replacing Tissue Damaged in Heart Attacks

...nd in the myocardium tissue, or heat muscles, that helps pump the chambers of the heart. “After a patient has a heart attack, significant numbers of these cardiac myocytes die, and the damaged heart muscle is replaced by scar tissue that isn’t able to contract and help the heart beat. This problem is one...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...equences share an overlapping set of shapes, which helps explain why species with shared sequences have the ability to infect each other. Surewicz says the next step in their research will be to examine fibril shape differences at much higher resolution. Their experiments also used a shortened version of ...

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

...esigned to streamline drug development. The method helps better determine which drugs are worth studying in people and at which dose, avoiding the typically lengthy and expensive trial-and-error approach that can take years. “About one new antibiotic a year is approved,?said Derendorf, who will discuss th...

Multi-purpose protein regulates new protein synthesis and immune cell development

A signaling protein called IRE1, which helps stressed-out cells make new proteins, may be more ... XBP1 mRNA. Other scientists have shown that XBP1 helps immune cells called B lymphocytes develop into antibody-generating plasma cells. Plasma cells secret...

Birds brains reveal source of songs

... effect, scientists theorized that the AFP circuit helps the juvenile compare its immature efforts with its parent's (usually the father's) example. That hypothesis, however, did not explain how all the playful variability in the little bird's babble arose in the first place. For years, nobody had followe...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...ome, it enhances the experience. Our research also helps to explain why a person in love feels 'driven' to ... region (and related regions of the basal ganglia) helps to direct one's actions toward attaining one's goals. For neuroscientists," she said, "these finding...

Reservoirs may accelerate the spread of invasive aquatic species, researchers say

...der Zanden propose they could provide a haven that helps invaders from saline and brackish habitats adapt to fresh water. Several invasive species are suspected to have benefited from the use of reservoirs as avenues, including Daphnia lumholtzi, a water flea from the Old World tropics, and the copepod Eu...

Solutions that reduce death of marine life reeled in by International Smart Gear Competition

...nfish between the lower and upper parts of the net helps to reduce the time the trawler crew spends sorting on deck. This enhances profitability: it allows more time for productive fishing and also prevents shrimp from being crushed under the weight of fish and bycatch hauled up on deck, making the shrimp ...

Brain-mapping technique aids understanding of sleep, wakefulness

...n the brain that produce the protein orexin, which helps keep animals awake. In humans, a lack of, or deficiency in, orexin causes narcolepsy, a rare disease in which people uncontrollably fall asleep, have excessive daytime sleepiness and experience sudden muscle weakness called cataplexy. Because orexin...

Revolutionary nanotechnology illuminates brain cells at work

... that is involved with emotional reactions, and it helps store learned information in memory. When neurons are activated, they secrete glutamate, and we could see this activity under the microscope by watching the color change. We stimulated the neurons and watched them secrete glutamate in response. We al...

Leprosy microbes lead scientists to immune discovery

...wo separate armies of defensive cells. The finding helps explain why, when threatened by microbes like the leprosy bug, this initial defense sometimes succeeds in limiting the damage, but in other cases yields to a dangerous, spreading infection. Led by Stephan R. Krutzik of UCLA, a team of scientists tha...

Are rice and wheat behind China's population boom?

... people did, in combination with millet and wheat, helps explain the foundation of China's huge population today." ...

Edible bivalves as a source of human pathogens: signals between vibrios and the bivalve host.

...at pass between vibrios and bivalve host cells and helps to explain how these processes develop in natural conditions and determine the fate of vibrios in the bivalve host. ...

Biochemists report discovery of structure of major piece of telomerase; implications for cancer

...e of a major domain of telomerase, the enzyme that helps maintain telomeres ?small pieces of DNA on the ends of chromosomes that act as protective caps -- allowing DNA ends to be copied completely when cells are replicated. This is the first major piece of telomerase for which the structure is known. Telo...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...ish (Science 1999)." The paper by the Scripps team helps to clarify the scientific basis of the next decade's challenge for fisheries and ecosystem management. ...

Science study holds implications for gene therapy and stem cell biology

..."This is a step forward in our research because it helps us understand which genes are involved in regulating stem cell growth," Dr. Baum said. "This is frontier research. In other words, to date, scientists know little about stem cells, particularly how they grow and what factors cause them to compete wit...

Thai spice helps cut blood sugar swings

...ugh to be a condiment or flavoring and yet somehow helps us keep our weight down. Consider hydroxycitric acid (HCA), known variously as Brindle berry or Malabar tamarind, which is used in Indian and Thai food as a condiment and flavoring agent. In Indian folk medicine as a dried powder or tea it's indicat...

Ariadne Genomics Announces the Release of PathwayStudio?Central, Client-Server Software for Biological Pathway Analysis

... biological text analysis. “PathwayStudio?Central helps scientists to keep current with literature using embedded MedScan information extraction tool that can “read?scientific text and extract functional relationships on the fly? said Ilya Mazo, President of Ariadne Genomics. “They can get an immediate vi...

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