Tag: "locate" at biology news

Talented sniffer: A receptor known for guiding sperm to egg plays a role in the nose

...tory receptor proteins. Having sperm successfully locate the egg is a crucial step in fertilization. Recent evidence had shown that hOR17-4, a human olfactory receptor protein that is unconventionally expressed on sperm cells, appears to play a key role in sperm-egg communication and chemotaxis prior to ga...

UF scientists have bionanotechnology recipe to find elusive bacteria

...ows. Dye-labeled antibodies are commonly used to locate bacteria in a sample, but traditional methods are not very sensitive -- the glow from one antibody-linked dye molecule just isn't easy to see, and that can create potential health risks. "Sometimes one bacterium makes the difference," Tan said. The...

Arctic mystery no longer: Dinosaurs walked Canada's great north

...es per day for one month with his research team to locate bones during the summer of 2003 and 2004. "You wouldn't expect it, yet dinosaurs and a great variety of plants lived in the High Arctic 240 to 65 million years ago." These were Larsson's first Arctic expeditions. He has also visited Western Africa fi...

UCLA scientists discover new way to fix defective gene

... the disease. Gatti's laboratory was the first to locate the ATM on chromosome 11 and then worked to successfully clone it....

Stimulating nerve cells with laser precision

... the procedure, making it tedious and difficult to locate the exact nerve. Optics, on the other hand, can deliver laser precision by stimulating only the nerve cell of interest. The idea of optical stimulation started as the scientists questioned whether they could accurately detect the...

NIH makes award to UNC for Genome Fingerprint Scanning program

...notated genetic sequences to identify proteins and locate novel genes. Proteomics, the study of how proteins interact and respond to changing conditions in complex systems, is increasingly being used to help decipher diseases such as cancer, diabetes, and Alzheimer's. "This powerful genome fingerprint scan...

Academy meeting highlights advances in detecting Amish, Jewish, and Icelandic genetic diseases

...lt of the Human Genome Project, we are now able to locate genetic mutations and know much more about a person's medical future than ever before. For genetic diseases that are endemic among certain peoples, such as the Icelandic, Ashkenazi Jewish, Old World Amish, and Micronesian populations, genetic testin...

Scientists uncover clues to the mystery of 'gene deserts'

...ve the paradox and to help researchers more easily locate critical segments along the vast stretches of DNA deserts, scientists from LLNL, LBNL, and the Pennsylvania State University developed computational tools to decipher gene regulation by comparing the genomes of many different species. When the...

New technique for tracking gene regulators

...ence of A, T, G, and C on these fragments and then locate their original positions on the genome, but it is ...ags are large enough to allow computer searches to locate their specific positions on the complete genome in a manner that is analogous to a laser scanner rea...

UCLA researchers detail the evolution of quantum dot imaging in the journal Science

...e). The qdot technology will enable researchers to locate a tumor within the body, look at it very precisely...e a big advantage to use the same tool to not only locate and identify the cancer, but also to treat it," Michalet said. "This technology is likely to explode...

'Man the Hunter' theory is debunked in new book

...iving. In this way there are more eyes and ears to locate the predators and more individuals to mob them if attacked or to confuse them by scattering. There are a number of reasons that living in groups is beneficial for animals that otherwise would be very prone to being preyed upon."...

Hypertension in African Americans linked to two genomic regions

.... Researchers can now use this information to help locate genes affecting hypertension. "When a specific gene variant associated with hypertension is identified, physicians will be able to test patients for their risk of hypertension to head it off early," Rao says. "In addition, research institutions and p...

UCI researchers identify trigger for onset of Alzheimer's, aiding search for new therapies

... tank where the mice were encouraged repeatedly to locate a hidden platform in the tank by making spatial associations in the room to facilitate their search. After the platform was removed, the researchers monitored in subsequent trials how fast the mice swam to where the platform used to be an indication...

Heart Center cardiologist performs rare liver catheter intervention on teen

...atheters reached the liver, the doctor was able to locate and measure the size of the PDV by injecting a dye while viewing through an x-ray camera. Justino then deployed a mesh-like occluder device through one of the catheters, thus filling the liver's large abnormal vein. The new device now blocks the sh...

Plants defy Mendel's inheritance laws, may prompt textbook changes

...cular markers - bits of DNA that help identify and locate genes in organisms - to determine whether a plant carried normal or mutant copies of the genes. "It seems that these hothead-containing plants keep a cryptic copy of everything that was in the previous generation, even though it doesn't show up in th...

Legendary Siberian tiger, Olga, killed by poachers

... Since January, however, they have been unable to locate her signal despite extensive aerial and ground searches over an area of about 10,000 square kilometers (3,800 square miles). Staff of the Siberian Tiger Project have documented many cases in which lost signals from radio collars are a result of poac...

Molecular motors cooperate in moving cellular cargo, study shows

...ing with One Nanometer Accuracy. The technique can locate a fluorescent dye to within 1.5 nanometers (one nanometer is a billionth of a meter, or about 10,000 times smaller than the width of a human hair). Recent improvements to FIONA now allow scientists to detect motion with millisecond time resolution. S...

Hey, now, what's that sound

...cesses sounds in order to recognize, identify, and locate the source of suspicious noises. "We're now reaping the benefits of more than a decade of low-level funding," explains Dr. Joel Davis, ONR program officer. "Dr. Berger was working on language, how humans understand words amid the noise of sounds they...

Glaciers from Antarctic peninsula in widespread retreat, Science study says

...y ice-free parts of Antarctica may use the maps to locate recently exposed islands. Others may use the maps to study how glacier retreat affects phytoplankton and sea edge communities. Nations interested in building research stations in Antarctica could consult the maps so as to avoid building near glaciers...

UCLA scientists pinpoint region of autism gene on chromosome 17

...es. As a result, scientists' previous attempts to locate a genetic risk factor have proved inconclusive. No researchers have been able to pinpoint a predisposing gene and then duplicate their efforts a key piece of proof required for scientific validity. FINDINGS For the first time, a team of UCLA gene...

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(Date:7/30/2014)... of the Entomological Society of America (ESA) has elected ... election as a Fellow acknowledges outstanding contributions to entomology ... extension, or administration. The following Fellows will be recognized ... which will be held November 16-19, 2014 in Portland, ... a professor with the Department of Plant, Soil and ...
(Date:7/30/2014)... Laboratory has received a pledge of $1 million from ... the Laboratory,s new Neurobehavioral Biometry Center. , ... will enable the Laboratory to develop a greater breadth ... ultimate goal of accelerating the pace of research to ... as a premier resource for the Laboratory and its ...
(Date:7/30/2014)... a changing climate threaten some of the world,s ... conservationists establish seed collections to save the seeds ... preserving some genetic diversity., For decades, these seed ... offer a one-size-fits-all approach for how many seeds ... samples regardless of species, pollination mode, growth habitat ...
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