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Tag: "closely" at biology news

Bioartificial kidney under study at MCG

..., can help turn the tide for some patients by more closely mimicking the many important functions of the kidney. In ICUs today, doctors may opt for newer continuous dialysis therapies in which patients with renal failure receive dialysis around the clock. With more standard intermittent therapy, patients ge...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...years ago. Conditions below the sea floor may most closely mimic the environment when life began. "There is a great deal of interest in the microbes of the Earth's crust because the strategies by which they survive may be similar to the earliest strategies of life on Earth, and perhaps also on other planeta...

Elusive HIV shape change revealed; Key clue to how virus infects cells

... Boston Laboratory of Molecular Medicine, used the closely related simian immunodeficiency virus (SIV) as a stand-in for HIV. By aiming an X-ray beam through a crystallized form of gp120, they obtained the first high-resolution three-dimensional images of the protein in its unbound form. They surmounted cons...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...keytechniques and technologies that allowed him to closely track changesin live brain cells in mice with an A..., confirmingearlier research results. Then Brendza closely monitored the swellingsfor three days."We thought that clearing the plaques would halt the progressi...

Key molecule in plant photo-protection identified

...keytechniques and technologies that allowed him to closely track changesin live brain cells in mice with an A..., confirmingearlier research results. Then Brendza closely monitored the swellingsfor three days."We thought that clearing the plaques would halt the progressi...

Affymetrix Unveils Plans to Double Plant and Animal Genome Microarray Offering

... GeneChip brandplatform. In 2004 Affymetrix worked closely with global researchcommunities to launch eight plant and animal genome arrays: Vitisvinifera (grape), soybean, wheat, rice, maize, bovine, chicken, andporcine."By underwriting the design fees required to produce these new arrays,Affymetrix is puttin...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

... this new finding by following their patients more closely over the long term, and by looking specifically for heart rhythm irregularities in vulnerable individuals. They encourage physicians to be especially thorough when performing medical exams, and in taking patient histories to be alert for signs of hea...

Scientists seek answers on what activates deadly anthrax spores

.... The group also would like to understand another closely related bacterium, Bacillus cereus, one strain of which can produce anthrax-like symptoms. The research team includes Conn Mallett, Ph.D., Derek Parsonage, Ph.D., graduate students Carleitta Paige, Jamie Wallen, and Tim Colussi, and senior research ...

The secret lives of whales

...k has observed that the distribution of singers is closely matched to the distribution of zooplankton, and suspects that shifts in singer distribution coincide with shifts in food distribution. Now, he is studying reactions of whales to sound pollution, tracking how whales move away or go quiet as human acti...

Researchers reveal the infectious impact of salmon farms on wild salmon

... are infected." The anchored farms, open cages of closely packed salmon, are aquatic feedlots providing the ideal conditions for the breeding and spread of sea lice amongst the adult fish. For the migrating wild salmon, the farm is a concentrated point source of infectious lice larvae. "We found lice level...

Sea skate experiment sheds light on human cell transport

... for a few reasons. Because skate red blood cells closely resemble cells in the human kidney, the findings shed light on how these organs cope with excess water. But Goldstein and Musch also believe the mechanisms that trigger this cellular "release valve" are universal. "We think that vesicle insertion, c...

Scientists decipher genome of fungus that can cause life-threatening infections

...arch, scientists have deciphered thegenomes of two closely related strains of Cryptococcus neoformans, afungu...e associated (CAP64) gene.Researchers compared two closely related genomes of C. neoformans thatdiffer markedly in their virulence properties. The results indi...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...ons for cells throughout the body, including those closely tied to brain disorders, cardiac illness, and other major conditions. He pointed out that clathrin is also important to cellular mechanisms other than endocytosis, including those occurring deep inside the cell. "Now that we have a better handle on...

Development of portable infectious disease detector

... presence of a singletoxin, or a limited number of closely related toxins. The ability tomonitor the health of small groups of cells, however, makes it possibleto detect the presence of unknown poisons as long as they affect cellmetabolism. Furthermore, by examining the impact that an unknown agenthas on dif...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...nt oxidative damage to the tissues. This damage is closely related to aging. Hence, perhaps, the many anti-ox...o us. Indeed, fruit flies, which have been studied closely for decades, die sooner from aging in a high-oxygen environment." Insects take in oxygen through sp...

Scientists discover unique microbe in California's largest lake

...adiation as well."All three of these organisms are closely related species ofAcaryochloris, but the other two live in the Pacific and must grow onor in an animal or plant to survive in nature," Wood says. "This newmicrobe opens up a whole new range of possible habitats where oxygencould be produced by photos...

NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention

...ic health officials are being well-advised to work closely together to monitor -- and hopefully prevent transmission of -- this strain of the virus by encouraging gay men, in particular, to practice safer sex and use condoms during all sexual encounters." "This case in New York underscores the crucial need ...

Nano-Probes Allow an Inside Look at Cell Nuclei

...r the past four years, Chen and Gerion have worked closely with members of the lab of Paul Alivisatos, a Berkeley Lab chemist in the Materials Sciences Division and Associate Laboratory Director who helped pioneer the development of nano-sized crystals of semiconductor materials. Called quantum dots, these m...

NC State scientist finds soft tissue in T. rex bones

... current data indicates that living birds are more closely related to dinosaurs than any other group, Schweitzer compared the findings from the T. rex with structures found in modern-day ostriches. In both samples, transparent branching blood vessels were present, and many of the small microstructures presen...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...ressed when the organism is in an environment that closely mimics an oral situation.?/p> To do this, Lamont and his colleagues compared the proteins secreted by P. gingivalis when grown in a medium containing human gum cell proteins with the proteins produced by the bacteria when grown in a neutral mediu...

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