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Tag: "clues" at biology news

Secrets of the deep may hold key to life on other planets

...fferent to anything else on earth and even give us clues to how life could exist onother planets. The creatures live around hydrothermal vents - incredibly hot environments in the deep sea - and are unique because they depend on bacteria living inside them for their own survival. These bacteria take thei...

Secrets to antibody's success against West Nile Virus surprise scientists

...sically binds to the virus has provided intriguing clues to how it may block infection. Scientists found evidence suggesting that the antibody prevents the virus from rearranging the protein envelope that surrounds its genetic material after it enters a host cell. To reproduce, a virus must alter its en...

Reversal of role for a viral protein associated with the development of lymphoma

...cates that most recursive splicing events leave no clues in the final mRNA. This is why they have not been detected before now." These previously undetected events could have profound implications for predicting what constitutes a gene and for studying gene expression, mutation and evolution, according t...

Carnegie Mellon University research reveals how cells process large genes

...cates that most recursive splicing events leave no clues in the final mRNA. This is why they have not been detected before now." These previously undetected events could have profound implications for predicting what constitutes a gene and for studying gene expression, mutation and evolution, according t...

Overbearing colored light may reveal a second mechanism by which birds interpret magnetic signals

...orient to magnetic signals, researchers have found clues to suggest that birds' orientation abilities may be more complex than previously thought and that birds may be able to interpret magnetic signals by more than one mechanism. The work is reported in Current Biology by a team including Thorsten Ritz, o...

Frog peptides block HIV in lab study

...re important because they provide the first direct clues about how the brain alters the state of consciousness during sleep. Consciousness is a scientifically murky realm as little research has been conducted on how the brain sustains and alters the various states of mind. Tononi, one of the few scientists...

Deep sleep short-circuits brain's grid of connectivity

...re important because they provide the first direct clues about how the brain alters the state of consciousness during sleep. Consciousness is a scientifically murky realm as little research has been conducted on how the brain sustains and alters the various states of mind. Tononi, one of the few scientists...

Pinpointing the cause of a neurodegenerative disorder

... killed Purkinje cells. "We had been accumulating clues that the glutamine tract expansion is clearly what is important for disease because that's the mutation," said Zoghbi. "But we also concluded that there was something else beyond the glutamine that's really mediating the toxicity of the protein." Tho...

Can our genes tell the story of our divergence?

...nctions, in immunity or spermatogenesis, may offer clues to selective pressures. It could be, for example, that there is a battle between the interests of sperm cells (favoring genetic changes that increase cell number and decrease cell death), and the need for the organism to avoid cancer. Future studies...

Genomic sequences processed in minutes, rather than weeks

...the gene's sequences are analyzed they can provide clues to diseases and possible treatments. Using ScalaB...erstand the body's cellular machinery and discover clues to some types of cancer. And it will help in developing drugs or detection methods to be used for pa...

International Team Determines Geographic Origin of Leprosy

...rn genetic techniques, these researchers uncovered clues to the origin of a disease that, since ancient times, has been one of the most stigmatizing," notes NIAID Director Anthony S. Fauci, M.D. "Their findings may help public health officials better track and treat leprosy, which remains a significant pro...

Deep thinking: Scientists sequence a cold-loving marine microbe

...nts, and food treatments. Psychrophiles could hold clues to microbial life on other planets, as well, such as the frozen surface of Mars or one of Jupiter's moons, Europa. As yet, however, there's little chance that deciphering C. psychrerythraea's genome will yield insights into another cool character, it...

UI researcher studies deafness in fruit flies, humans

... VIIA, is conserved in these ears. In looking for clues to inherited deafness in humans, Eberl begins with the "love song" of the fruit fly. Although they may seem an odd choice, the fruit fly and its love song are very effective tools for learning about the molecular and cellular mechanisms involved in h...

Genome study of beneficial microbe may help boost plant health

...tects plants from diseases. The research provides clues to better explain how the helpful microbe, Pseudomonas fluorescens Pf-5, naturally safeguards roots and seeds from infection by harmful microbes that cause plant diseases. The genome paper will be published in Nature Biotechnology and was scheduled t...

Malaria mechanism revealed

...d blood cells, researchers have uncovered valuable clues for rational antimalarial drug design and vaccine development. The findings are reported in the July 29 issue of the journal Cell. Malaria causes approximately 400 million clinical cases and 2 million deaths annually, with more than 80% of deaths oc...

High-powered gene profiles provide clues to genes involved in common form of lung cancer

...n-small cell lung cancer. The findings provide new clues about the location of genes potentially involved in the most common type of lung cancer –?and one of the deadliest of all malignancies –?and a range of possible targets for future therapies. The study will be reported in the Proceedings of the Natio...

DOE JGI launches IMG public online microbial genome data clearinghouse

...ecies selected from the organism browser may yield clues of what its role might be in your particular species," said Andersen. "The interface is quite intuitive, which is a benefit for someone like me that does not like to read manuals." John Taylor, professor of plant and microbial biology at UC Berkeley...

Discovery clarifies role of peptide in biological clock

...ent to laboratory mice in hopes of unraveling more clues about our biological clock. VIP is not "very important person," but vasoactive intestinal polypeptide (VIP), a neuropeptide originally found in the gut, that is also made by a specialized group of neurons in the brain. Erik Herzog, Ph.D., Washingto...

Secret of smallpox's success may lead to bioterror cure

...counter-attack. Jacobs notes that there have been clues to this property of the virus present in historical results from using vaccinia, or cowpox, to immunize against smallpox. In most people, exposure to vaccinia generally only causes a mild infection in humans before the immune system responds and elim...

New tumor-suppressor gene discovered

...ppress the growth of tumors. "We did not find many clues when we compared the sequence of the mats gene with the sequence of other genes in the public databases," Lai says. "But we did find a counterpart to the mats gene in yeast. This yeast counterpart is known to make a protein that forms a complex with ...

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