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Tag: "unlikely" at biology news

Research identifies protein that signals flowering in squash plants

...ant’s floral meristems, indicating that FT mRNA is unlikely to be the florigenic signal in this system. Next, heterografting studies were conducted using flowering Cucurbita maxima (pumpkin) stocks (the stock is the portion below the graft union containing the roots) grafted to non-induced, LD-grown C. moscha...

Studies to find better ways to preserve human eggs, ovarian tissue under way

... the resulting embryo dies. Plus, fertilization is unlikely since freezing often hardens the egg’s outer shell that sperm must penetrate. “That is why we have tried to develop technology without freezing,” says Dr. Song, who has pioneered use of vitrification in blood vessels, cartilage and heart valves. ...

The kapok connection -- Study explains rainforest similarities

... the species level. Although single seeds are very unlikely to survive an oceanic voyage and then successfully become established elsewhere, such improbable events become probable over 10 to 15 million years." Dick studied the rainforest form of Ceiba pentandra, a species of kapok that grows taller than a ...

Researchers demonstrate way to control tree height

...e researchers said, dwarfed trees such as this are unlikely to be any kind of threat to spread, because they would compete very poorly with normal or wild trees. In virtually all tree species, low height is a disadvantage as trees compete for sunshine. Another possible value, from that perspective, is that th...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

...f an actual pandemic outbreak, especially as it is unlikely that a vaccine fully matched to the strain will be...termined. The first doses of a matched vaccine are unlikely to become available within the early months of the pandemic, making prophylaxis and treatment with a...

How brain pacemakers erase diseased messages

...a condition like epilepsy, however, it's extremely unlikely that a person would have a seizure in the doctor's office," he said. "Therefore, it might take months of trial and error to find the optimal setting." Grill's new model promises to streamline the process. ...

Get a whiff of this: Smell test could sniff out serious health problems

...lt.? So what does it mean if a child, or someone unlikely to have an age-related disease, flunks the sniff test? “If they fail our test, that’s a pretty good indication that there’s something wrong with their sense of smell. Maybe there’s an obstruction ?a deviated septum or polyps,?Frank says. “Perhaps the...

How trees manage water in arid environments

...f water at the onset of the monsoon in July. As unlikely as it may seem, Arizona does experience a monsoon every summer. Certain roads have yellow warning signs posted -- "Do Not Cross When Flooded." Though these signs may seem out of place in the middle of a desert, they have a serious purpose. In Arizona...

Anxiety disorders surprisingly common yet often untreated

... unless prompted by the patient or test results is unlikely to assess the patient’s mental status. "Doctors like to quantify things. We can objectively measure blood pressure, blood sugar or cholesterol, but symptoms of anxiety can be missed in a busy primary care practice. The seven-question GAD-7 and re...

Why doesn't the immune system attack the small intestine?

...by Shannon Turley, PhD, of Dana-Farber identify an unlikely group of peacemakers: lymph node cells that instruct key immune system cells to leave healthy tissue alone. The finding, which illuminates a previously unknown corner of the human immune system, may lead to new forms of treatment for autoimmune disea...

Grape expectations for healthier wine

...don't store grapes for prolonged periods, they are unlikely to use ozone in any preservation process. He agreed, however that the ozone process could be tweaked to replace problematic sulphites added to wine during the liquification process, presenting the possibility of healthier more hypoallergenic wines. ...

Cancer vaccines -- Taking a jab at cancer by stimulating the immune system

...ttsburgh’s Department of Immunology. "While we are unlikely to run large-scale trials with this particular form of the vaccine due to difficulty in its manufacturing, we have learned a tremendous amount from the subjects that benefited from the trial, which may translate well into more practical vaccine formu...

Selective marker found to indicate aggressive form of breast cancer

...in in a clinical screening setting. While it seems unlikely that a blood test would be sufficient, DiRenzo believes that a non-invasive test that collects samples from mammary ducts may enable the development of a screening tool for at-risk patients. ...

Map predicting spread of avian flu

...e). The authors suggest local control measures are unlikely to be able to halt an unfolding epidemic in these areas. The paper, published in the Open Access journal PLoS Computational Biology, arrives at these conclusions through a computational (or mathematical) modeling method, an approach which has alr...

Stem cell transplants explored at Stanford as a possible treatment for hearing loss

...lants - are important because drug treatments are unlikely to help everyone. For some people with genetically caused hearing disorders, he explained, no drug is likely to help. "For them, stem cell transplantation may be the answer," he said But for the majority of those with hearing loss, particularly...

Statin plus cancer drug deliver combo punch to brain cancer cells

... a statin and an experimental antitumor drug. The unlikely pairing of cholesterol-lowering lovastatin and cyclopamine killed 63 percent of medulloblastoma cells grown in the laboratory. By contrast, using either agent alone wiped out fewer than 20 percent of cells. The Hopkins researchers published their f...

Coated nanoparticles solve sticky drug-delivery problem

...s particles past the mucus, Hanes' team studied an unlikely model: viruses. Earlier research led by Richard Cone, a professor in the Department of Biophysics at Johns Hopkins, had established that some viruses are able to make their way through the human mucus barrier. Hanes and his colleagues decided to look...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...e March 30 issue of the journal Science, tying two unlikely links in the food web to the same fate. A team of Canadian and American ecologists, led by world-renowned fisheries biologist Ransom Myers at Dalhousie University, has found that overfishing the largest predatory sharks, such as the bull, great whi...

British cattle give TB to badgers, finds UC Davis expert

... wild badgers to prevent tuberculosis in cattle is unlikely to succeed, according to a newstudy led by Rosie Woodroffe, an ecologist at the University ofCalifornia, Davis, and a member of Britain's Independent Scientific Group on Cattle TB. In Britain, farming interests and badger protectionists have battled...

A fisheye view of the deadliest breast cancer

...California, San Diego (UCSD), have come up with an unlikely yet extremely promising ally: a transparent fish suitable for xenografts. More properly, it’s a transgenic zebrafish, a tropical minnow native to streams around the Bay of Bengal and common to aquariums around the world, which was chemically trea...

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