Tag: "mysterious" at biology news

Genome sequencing sheds light on bacterium harmful to newborns

...alf of which have unknown functions. Some of these mysterious genes are similar to genes identified in other organisms, but more than half of them have never been seen before. This bacterium has a novel metabolic system. Like all bacteria of the genus Ureaplasma, it can "digest" urea, a substance commonly fou...

Science: Prion proteins may signal trouble -- literally

... (TSEs), the purpose of normal prions has remained mysterious until recently. According to research teams directed by Odile Kellermann of the Institute Pasteur in Paris and Jean-Marie Launay of Hospital Lariboisire, unraveling the signal-carrying pathway of the normal prion (PrP c ) will help reveal what tri...

MIT tool impacts multi-billion dollar drug

...YSTERIOUS WORLD The new analytical tool probes the mysterious world of complex sugars. Although these compounds have recently been shown to play important roles in processes from viral infection to tissue development, "the field has lagged far behind the mainstream work on proteins and DNA," said Ram Sasisekhar...

New developments in mouse genome biology

...ues present the sequence of a large segment of the mysterious mouse t-complex, a genome region packed with genes involved in embryonic development. The mouse t-complex has long attracted interest because mutations thoughout this region cause lethal developmental defects. Ko and colleagues determined the sequen...

UCSD researchers find genetic key to puzzling congenital disease

...nadvertently discovered the gene responsible for a mysterious human congenital disease. The researchers genetically engineered mice to lose the function of the IKK-gamma gene to study its impact. They noticed that male offspring died during development, and the females that survived developed prominent skin ...

How stress maintains population levels

... help FeederWatchers collect information about the mysterious new disease. From this evolved the House Finch Disease Survey. "Fortunately, we were in position to act quickly and therefore had an unprecedented opportunity to monitor a wildlife disease from its origin and follow it as it spread," says Laura K...

Smoking during pregnancy found to increase risk of cleft lip and palate

...egnancy. It also suggests a possible cause for the mysterious defect. The results were recently published in the journal Plastic and Reconstructive Surgery. "Not only can smoking cause prematurity and low birth weight, we now believe it can cause this devastating problem as well," says co-author Kevin Chung, M...

Concorde to blame for missing pigeons?

Concorde may be to blame for the mysterious disappearance of thousands of racing pigeons. A geophysicist in California has found evidence that shock waves from supersonic aircraft stop homing pigeons hearing the low-frequency sound that may help them find their way home. Pigeon racing has bec...

Human stem cell research leads Science's top ten list of the best scientific advances in 1999

... Science's Top Advance of 1998) suggested that a mysterious energy pushing the universe's expansion might fill in the missing matter. This year, new information from a variety of locations showed ripples in the microwave background, the afterglow of the Big Bang, that are exactly the right size to imply a fla...

New treatment may relieve chronic pain, as reported in the 19 November issue of Science

...om the specific pain of a migraine headache to the mysterious all-over body pain of fibromyalgia. In all of its incarnations, chronic pain seems to be the result of faulty signaling by a small group of neurons in the spinal cord. These signals can either make patients hypersensitive to stimuli that are minimall...

Peering at a machine that pries DNA apart

..., these interactions make the system work in still mysterious ways. The crystal structure of the helicase does not, actually, represent theway this enzyme occurs in real life. In T7, the helicase is a double-deckerprotein with two enzyme activities. The large helicase donut sits atop a smallerone that i...

Reports from special environmental health issue explore links to autoimmune diseases - diabetes, lupus, multiple scleroris and arthritis

...ged response. The potential causes of this mysterious family of diseases are describedin the October supplement to Environmental Health Perspectives, the journal ofthe National Institute of Environmental Health Sciences. The supplement, titledLinking Environmental Agents and Autoimmune Diseases, contain...

Male courtship pheromone identified

...n jordani. But, as scientistslearn more about this mysterious world of chemical communication, it seemslikely that there may be many other pheromones that affect behavior and matingin many animal species, including humans. "It's very unusual in nature to find a pheromone that male vertebratesuse in cour...

Scientists discover second gene for disorder described by Darwin

... each generation of one family'smale members. The mysterious condition became apparent in the very young,manifesting itself with poorly developed teeth, sparse hair on the head andbody, and excessively dry skin due to underdeveloped sweat glands. Thesecharacteristics were the origin of the disorder's tongue-t...

DNA: A sloppier copier

...atelysuggests a possible tie-in to one of the most mysterious aspects of the humanimmune system. The globulin gene, which controls the production of B-cells, isnotoriously mutation prone. This propensity, called "somatic hypermutability," is a crucial part of theeffectiveness of the immune system's B-cells. T...

Researchers identify new type of potentially fatal tick-borne disease

...stant professor of pediatrics, discovered that the mysterious sequencematched DNA from E. ewingii, which was known to infect dogs. "We realized right away that we were on to something very interesting --that this bacterium previously known to cause illness in dogs had beendiscovered in humans," Storch ...

New components of machinery that carries genetic information from nucleus

...ugh, said York, the experiments indicated that the mysterious genes coded forkinases, or at least their regulators, transformed IP3 to IP4, and IP5 to IP6. According to York, still to be determined is whether IP6 directly orindirectly affects the transport of mRNA from the nucleus. IP6 may merelyregula...

Purdue Scientist Wants To Find Out What Went Sour With Flowers

...er researcher Natalia Dudareva is on the scent ofa mysterious disappearance. "Selective breeding has reduced flower scent to almost nothing," saysDudareva, a Purdue University assistant professor in the Department ofHorticulture and Landscape Architecture. "Flowers are bred for color, size andshelf life w...

Discovery Of Mechanism Causing Colon Cancer

...ege of Medicine in New York, has now put these two mysterious puzzle pieces together. In a test-tube study, the scientists discovered how both beta-catenin and cyclin D1 are involved in causing colon cancer. First, the levels of beta-catenin increase to excessively high levels in one of two different scenarios....

Melatonin Shapes Brain Structure In Songbirds

...e Johns Hopkins University have alsoidentified the mysterious hormone melatonin as a critical ingredient thatregulates those invigorating song bursts and fine-tunes the profound effects oftestosterone on the brain. "We think this is exciting," said Gregory Ball , a professor ofpsychology, who studies the inter...

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(Date:7/30/2014)... New York City, NY (PRWEB) July 30, 2014 ... Memorial & Museum at Ground Zero, the Ground Zero Museum ... confusion in recent tour bookings. Says the Museum Workshop's Carole ... tour and museum on all the major travel sites who ... Our description is now crystal clear as to what we ...
(Date:7/30/2014)... NY, July 30, 2014We have pills to ease pain, to ... conditions, and to enhance our sexual and athletic prowess. Why ... and could we benefit from taking fewer pills? This provocative ... The Role and Fantasy of Pills in Modern Medicine ," ... , a peer-reviewed publication from Mary Ann Liebert, Inc., publishers. ...
(Date:7/30/2014)... WEDNESDAY, July 30, 2014 (HealthDay News) -- Medical costs ... States are more than $32 billion each year, according ... Control and Prevention. The yearly financial toll of ... to reach an estimated $49 billion by 2020. ... for COPD, which provide state public health practitioners with ...
(Date:7/30/2014)... in Manchester have identified a protein that could help ... a treatment that makes radiotherapy more effective, according to ... Cancer (BJC). , The team from The University ... that patients whose bladder tumour had high levels of ... from having carbogen oxygen mixed with carbon dioxide ...
(Date:7/30/2014)... Up to 20 percent of Parkinson,s disease (PD) ... but largely unrecognized challenge: the occurrence of impulse ... behavior, eating, or spending. Yet the presence of ... complicate treatment options. A team of investigators from ... of Pennsylvania and the Parkinson,s Disease Research, Education ...
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