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Tag: "appear" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...ts in the DNA of 486 people infected with HIV that appear to have helped some of the patients fight off the ... specific gene variants in key immune system cells appear to be much better at controlling the proliferation of the virus after infection. These gene variants...

Research identifies protein that signals flowering in squash plants

...STANS (CO) and FLOWERING LOCUS T (FT). CO does not appear to travel long distances through the phloem, but rather, it strongly influences the production of another substance (i.e. florigen) that does. Recent work in a number of laboratories has focused on a role for FT protein and/or FT mRNA as the florigen...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...ectious disease characterized by raised bumps that appear on the face and body of an infected person. There is no specific treatment for smallpox disease, and the only prevention is vaccination. The World Health Organization declared the disease eradicated in 1980 with the success of a worldwide vaccination...

Researchers track how spores break out of dormant state

...y of the outer spore coat rodlet structures, which appear to be structurally similar to amyloid fibrils that have been associated with neural degenerative diseases, such as Alzheimer’s and prion diseases. “The extreme physical and chemical resistance of Bacillus spores suggests that evolutionary forces have...

Research team identifies new Alzheimer's gene

...th other genes, including APOE4. The study results appear in the June 7 issue of the prestigious peer-reviewed journal, Neuron. Alzheimer’s disease is the most common form of disabling memory and thinking problems in older people. The progressive neurological disorder afflicts an estimated 5 million Americ...

New bacterium discovered -- related to cause of trench fever

...vestigate the genetic make-up of all bacteria that appear in any new or unusual infection. This kind of sleuthing allowed the researchers to discover the new organism, Bartonella rochalimae. Koehler considers the on-going research and discovery crucial to treating patients and preventing disease. “Wh...

Columbine flowers develop long nectar spurs in response to pollinators

...e National Science Foundation (NSF). Their results appear in this week's issue of the journal Nature. Dar...systems. "In the case of these flowers, changes appear to happen relatively rapidly in response to changes in pollinators," said Zamer....

'Lucky 13' as new gene discovery offers further hope for childhood blindness

...s around. However, mutations in the LCA5 gene only appear to cause defects in the retina. "We already know of a dozen genes which, when mutated, cause LCA," says Professor Chris Inglehearn from the Leeds Institute of Molecular Medicine at St James's Hospital, Leeds. "This new gene is the thirteenth and a...

U-M researchers discover gene switched off in cancer can be turned on

...at the U-M Medical School. Results of the study appear in the advanced online publication of the journal Oncogene. The researchers sought to understand why BRM is not expressed in certain cancer cell lines. They found no mutations to the gene but rather that it was just silent – essentially like a swi...

Undergraduate research shows leaderless honeybee organizing

...nt that it is time to divide the colony and swarm, appear to be decided by the dynamics of the group itself. Social interactions, environmental pressures or group dynamics in some still-unknown way initiate a string of behaviors that effectively manage complex group activities. “It is a real challenge t...

Newly discovered antibody may be body's natural defense against Alzheimer's

...isease. While monomers are produced from birth and appear to be relatively benign, oligomers have been implicated as potent toxins responsible for Alzheimer's-linked memory loss and brain cell death. This has led many scientists to speculate that oligomers may be the main culprit in Alzheimer's and therefor...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...eper health benefits than originally thought. They appear to fight off the negative impacts that testosterone can have on an animal’s health. The researchers, Kevin McGraw an assistant professor in ASU’s School of Life Sciences and Daniel Ardia, of Franklin and Marshall College in Pennsylvania, focused ...

New findings challenge established views on human genome

... of functional elements in the human genome do not appear to have been obviously constrained during evolutio...ctions among species despite having sequences that appear dissimilar. Other highlights of the ENCODE work include: Identification of numerous previous...

The kapok connection -- Study explains rainforest similarities

..., funded by the National Science Foundation (NSF), appear online this week in the journal Molecular Ecology. "This research provides vital information for one of the most highly threatened areas of the planet, tropical rainforests," said Sam Scheiner, program director in NSF's Division of Environmental B...

Potato wart eyed as risk to potato production

...he disease causes unsightly growths that initially appear white, and then turn brown or black as they decay, rendering the potato tuber unrecognizable and inedible. There is a zero tolerance for the fungus that causes potato wart. As a result, this disease has been placed on the USDA’s "Select Agent Lis...

CU study reveals why starling females cheat

... men for personal reasons, superb starling females appear to stray from their mates for the sake of their ch...ves and their mates, though other species of birds appear to adopt similar mating strategies. "This is the first study to show that individuals from the sa...

Researchers develop buckyballs to fight allergy

...une 19 issue of the Journal of Immunology and will appear in the July 1 print issue of the journal. “This discovery is exciting because it points to the possibility that these novel materials can one day lead to new therapies,” said Chris Kepley, Ph.D., M.B.A., assistant professor in the Department of In...

Male circumcision overstated as prevention tool against AIDS

...y of polygamy in these Muslim communities does not appear to contribute to hi gher AIDS prevalence as previously speculated. In a frequently cited academic paper, Daniel Halperin, an H.I.V. specialist at the Harvard Center for Population and Development and one of the world’s leading advocates for male circ...

AAAS decries latest stem cell veto

...r are still in the early stages of development and appear to already be eligible for NIH funding. AAAS stron...r are still in the early stages of development and appear to already be eligible for NIH funding. AAAS strongly believes that it is only through federal suppo...

Researchers use MRI to predict recovery after spinal cord injury

... aggressive clinical strategy for patients who may appear to have a severe SCI but may indeed have the capacity for substantial neurological recovery." According to the National Spinal Cord Association, 250,000 to 400,000 people in the United States are living with SCI or spinal dysfunction. An estimated...

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