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Tag: "life" at biology news

A new mechanism of regulating RNA degradation

... transcription, by moderating the activity and the life span of the RNA itself. One major pathway for suc... know that it plays a major role in regulating the life span of numerous RNAs, and thus controls gene activity. To better understand what controls the NMD ...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

... transcription, by moderating the activity and the life span of the RNA itself. One major pathway for suc... know that it plays a major role in regulating the life span of numerous RNAs, and thus controls gene activity. To better understand what controls the NMD ...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

New keys to understanding the evolution of life on Earth may be found in the microbes and minerals... floor may most closely mimic the environment when life began. "There is a great deal of interest in the microbes of the Earth's crust because the strategi...

W.M. Keck Foundation funds study of friendly microbes

...o better understand the evolution and diversity of life on Earth, as well as help create new methods to diagnose and treat patients with common and uncommon diseases. "The CGS represents a community of faculty and students with expertise in the biological, computational and physical sciences," Gordon say...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

... Colorado at Boulder researchers saybodes well for life in extreme environments on other planets and could... most abundantelement in the universe. If there is life elsewhere, it could be thathydrogen is its fuel," Spear said. "We've seen evidence of water onMars, ...

Neuronal 'traffic jam' marks early Alzheimer's disease

...s, said Goldstein. "What we saw quite early in the life of those animals -- well before any plaque deposition -- were obvious axonal defects," said Goldstein. "We saw large swellings in their axons. And when we looked at those swellings using electron microscopy and biochemical markers, they looked just l...

Timing is everything: First step in protein building revealed

...eidea is to really know at the molecular level how life is puttogether," says Jon Lorsch, Ph.D., professor of biophysics andbiophysical chemistry, one of the departments in Johns Hopkins'Institute for Basic Biomedical Sciences. "We see disease largely as anincorrect timing event -- the wrong thing happeni...

Plants, animals share molecular growth mechanisms

... genes have survived through time as multicellular life evolved, they have been conserved in both plants and animals, Szymanski said. So, some of the plant proteins that comprise the ARP2/3 and the WAVE complexes are interchangeable with proteins in animals. Others proteins are not interchangeable, and Sz...

Scientists Replicate Hepatitis C Virus in Laboratory

...culture will allow researchers to better study the life cycle and biology of this virus and to test potent...s system only represents the tail end of the viral life cycle ?viral replication, assembly and release from host cells. Another HCV model system is needed t...

Ecological destruction fuels emerging diseases

...ed understanding of their often complex multi-host life cycles. "It's very difficult to link these things up," he says. "It's very time consuming to do that, but without that information we don't know how these parasites are transmitted." And without basic systematics and taxonomic information about par...

Combination therapy boosts effectiveness of telomere-directed cancer cell death

...chromosomes that play a key rolein controlling the life span of cells. With every cell division,telomeres get a bit shorter until eventually they become so short thatthe enzymes that copy DNA for cell division no longer work properly andthe cell stops dividing. In a sense, telomeres function as a kind ofc...

GATA: a graphic alignment tool for comparative sequence analysis

...chromosomes that play a key rolein controlling the life span of cells. With every cell division,telomeres get a bit shorter until eventually they become so short thatthe enzymes that copy DNA for cell division no longer work properly andthe cell stops dividing. In a sense, telomeres function as a kind ofc...

Research on Worms Yields Clues on Aging

...humans had the unexpected effect of prolonging the life span of C.Elegans: A class of anti-seizure medicat...sodemonstrated that anticonvulsants did not extend life by protecting theworms from pathogenic bacteria in their environment.Ethosuximide and trimethadione ...

Finding Cures For Tropical Diseases: Is Open Source An Answer?

There's aparadigm in life science and drug development : only "lucrative""markets" get exploited by R&D companies. In many occasions I'veseen very promising drugs candidates or related research get cannedbecause no money was to be made with it, even if millions would have...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

... fight the virus at different stages of the virus' life cycle. First, they inhibit viral RNA and protein synthesis. If this fails, interferons block the virus from forming particles which can be released and infect other neurons. This is critical, since the immune system does not kill infected precious ne...

The secret lives of whales

... whale-fall species help scientists understand how life has diversified in specialized habitats in the dee...lifecycles. If we want to understand the nature of life ?what evolution can do—we must understand these habitats before extinctions occur.?/p> Blue Voic...

Molecular machine may lead to new drugs to combat human diseases

...ng and pasting apparently has been conserved since life evolved. "It's thought that RNA, or a molecule related to RNA, possibly were the first biomolecules, because they are capable of both performing work and carrying around their own genetic code," Golden said. She and her research team used an intron...

A bacterial genome reveals new targets to combat infectious disease

...compromises the nematode's ability to complete its life cycle within its human host. Thus, understanding the details of this relationship may help identify new strategies for controlling diseases caused by filarial nematodes. In a new study published in the freely-available online journal PLoS Biology, Ba...

Gene variations explain drug dose required to control seizures

...s to reduce trial and error and improve quality of life for patients," he added. Epilepsy and seizures affect 2.5 million Americans of all ages, with approximately 181,000 new cases diagnosed each year. Phenytoin and carbamazepine are important first-line anti-epileptic drugs that are widely prescribed t...

Solution to Pollution: New Bacteria Eats Toxic Waste

...as well as the people in it. Through this project, life is imitating art and through these unique bacteria the world may stay a little cleaner, said Sims. ...

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Breaking Biology News(10 mins):BGI reports a novel gene for salt tolerance found in wild soybean 2Baboons groom early in the day to get benefits later 2
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