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Tag: "along" at biology news

Protein averts cell suicide but might contribute to cancer

...or a new partner. The DNA-making machinery travels along the old half, building the new half according to the bases it finds on the old half. When it meets an ‘A' on the old half, it pairs it with a ‘T' on the new half (and vice versa); when it meets a ‘G' on the old half, it pairs it with a ‘C' on the new...

HIV dementia alarmingly high in Africa

...is so high in sub-Saharan Africa that HIV dementia along with Alzheimer’s disease and dementia from strokes may be among the most common forms of dementia in the world. In the first study of HIV dementia on the African continent using rigorous neurological and neuropsychological tests, 31 percent of a sma...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...e bull, great white, dusky, and hammerhead sharks, along the Atlantic Coast of the United States has led to... a dozen different research surveys from 1970-2005 along the eastern U.S. coast, the research team has found that their original study underestimated the ext...

Molecular motors and brakes work together in cells

...ed. The new "daughter" microtubule grows and moves along the mother microtubule. In time, the daughter grows beyond the end of the mother to ultimately produce two microtubules, connected by the cross-linking MAP ase1p. "Imagine that the daughter microtubule is a short train on the track of the mother ...

Endangered shortnose sturgeon saved in Hudson River

...turgeon, which lives in large rivers and estuaries along the Atlantic coast of North America, has increased by more than 400 percent in the Hudson River since the 1970s, report Mark Bain, associate professor of natural resources at Cornell, and his colleagues in the online publication PLoS ONE. However, th...

Prion disease treatable if caught early

... neurological pathology of the disease is reversed along with the cognitive and behavioral deficits. In their studies, the researchers measured the effects of prion disease on the animals?ability to discriminate novel objects in their cage and on normal burrowing behavior. In both cases, deficits in tho...

T-ray breakthrough could make detecting disease far easier

...rily has a limited ability to allow T-rays to flow along it, but our idea was to overcome this by corrugating its surface with a series of grooves, in effect creating an artificial material or 'metamaterial' as far as the T-rays are concerned." "In this way, the T-rays can be focused to the tip of the w...

Salmon farms kill wild fish, study shows

...ut to sea. Fish farms put adult salmon in net pens along the migration routes. The result is a cloud of sea lice through which the juveniles must migrate. "It takes only one or two sea lice to kill a juvenile pink or chum salmon," said Krkosek. "The juveniles are so vulnerable because they are so small ?on...

Unique gene regulation gives chilly bugs survival advantage at bottom of the world

... feed on algae and waste material. Penguins live along the Antarctic coast, where the average summertime temperature is around 36°F (2°C). In laboratory experiments, the researchers exposed the larvae and adults to 39.2°F (4°C) and to 68°F (20°C). They wanted to see if the larval and adult midges showed ...

Invasive ants territorial when neighbors are not kin

...n ants from different supercolonies occur commonly along territorial borders." The distance between nests...numbers of workers. Thomas collected dead workers along small sections of the borders weekly. She estimated that border skirmishes around one of the smalle...

Evolution of Old World fruit flies on three continents mirrors climate change

...nge is occurring, and that genetic change is going along with it," said Raymond Huey, a University of Washington biology professor who is co-author of a paper describing the findings, published Aug. 31 in Science Express, the online edition of the journal Science. The research deals with an Old World fr...

NASA satellite data helps assess the health of Florida's coral reef

...omprehensive assessment of the resiliency of reefs along the entire National Marine Sanctuary that stretches about 300 miles from Martin County to the Dry Tortugas in the Florida Keys. Scientists are trying to determine why some reefs are resilient to environmental changes and impacts. The work may also id...

Researchers seek to design first treatment for neuroAIDS

...ut to be GSK-3b inhibitors. Gelbard and Maggirwar; along with received in 1999 one of the first grants from the National Institutes of Mental Health designed to convert basic neuroscience into new neuroAIDS drugs. Based on their work, Stephen Dewhurst, Ph.D., dean's professor of Microbiology and Immunol...

Cracking the egg

...from both parents. There are many startling events along the way, but one of the most fundamental and impor...al steps associated with it have remained the same along the vertebrate evolutionary pathway. But at the same time there's evidence of instability in other a...

Heart smart: new drug improves blood flow

...nd prevention. This discovery is an important step along the way." ...

NHGRI aims to make DNA sequencing faster, more cost effective

... Design Polymers and Nanopore Arrays" This group along with their industrial partner LingVitae AS, will c... A novel sequencing instrument will be fabricated, along with additional analysis tools, with the aim of producing a viable, low-cost sequencing system. T...

Hair-growth drug artificially lowers PSA levels in prostate cancer screening, study finds

...and co-principal investigator of The Lancet study, along with Dr. Anthony D'Amico of Brigham and Women's Hospital and Dana-Farber Cancer Institute in Boston. "It is important for physicians to know that many young men take Propecia and that their PSA level is lowered artificially. Doctors need to adjust th...

The power of one: A simpler, cheaper method for cell fusion

...que works by aligning an uncertain number of cells along an electrical field before zapping them with pulses of electricity. Lu's technology is more precise. "In my device, the narrow section in the microfluidic channel is so small that only two to three cells fit into it," Lu said. Lu said he believ...

Researchers identify neurons that assign value during learning

...t no negative stimulus was presented to the larvae along with the odor. Conversely, if an odor is presented while a different group of neurons--releasing octopamine and/or tyramine--are experimentally light-activated, the odor becomes attractive. These findings demonstrate that antagonistic subsets of neur...

'Failed' experiment yields a biocontrol agent that doesn't trigger antibiotic resistance

...tential of the basic work done in his lab that he, along with professor of oncology Richard Burgess, started a company called ConjuGon - "because you conjugate and it's gone!" -- to develop the technology and ultimately bring it to human trials, which are currently planned for 2007 or 2008. A patent for h...

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