Live in Biological News

Milestone in live microscopy focus of $2 million NIH grant

A proposal by a team of UC Davis scientists to develop the world's first electron microscope capable of filming live biological processes has been awarded a $2 million grant from the National Institutes of Health. The team's plan is to extend the capabilities of a powerful new imaging tool call...

Alzheimer cell death in Zebrafish: Demise of neurons observed live for the first time

Extensive death of nerve cells leads to severe dementia in patients with Alzheimer's disease. Until now, it has only been possible to investigate the neuronal devastation in post mortem animal models, and by using complicated methods. Researchers at the German Center for Neurodegenerative Disease ...

Healthy food availability could depend on where you live -- so does the quality of your diet

The availability of healthy food choices and your quality of diet is associated with where you live, according to two studies conducted by researchers at the Johns Hopkins Bloomberg School of Public Health. Researchers examined healthy food availability and diet quality among Baltimore City and Ba...

Single adult stem cell can self renew, repair tissue damage in live mammal

The first demonstration that a single adult stem cell can self-renew in a mammal was reported at the American Society for Cell Biology (ASCB) 48th Annual Meeting, Dec. 13-17, 2008 in San Francisco. The transplanted adult stem cell and its differentiated descendants restored lost function to mi...

Solar-powered sea-slugs live like plants, prof says

COLLEGE STATION, Nov. 25, 2008 The lowly sea slug, "Elysia chlorotica," may not seem like the most exciting of creatures, but don't be fooled: it behaves like a plant and is solar-powered, says a Texas A&M University biologist who has been studying these tiny creatures for the past decade and, al...

Flies may reveal evolutionary step to live birth

A species of fruit fly from the Seychelles Islands often lays larvae instead of eggs, UC San Diego biologists have discovered. Clues to how animals switch from laying eggs to live birth may be found in the well-studied species' ecology and genes. The fly is one of a dozen species of Drosophila ...

Deprived of a sense of smell, worms live longer

Many animals live longer when raised on low calorie diets. But now researchers at Washington University School of Medicine in St. Louis have shown that they can extend the life spans of roundworms even when the worms are well fed it just takes a chemical that blocks their sense of smell. Three...

Colorful spy tactics track live cells supporting cancerous tumors

A new advance in cellular imaging is allowing scientists to better understand the movement of cells in the area around tumors, also known as the tumor microenvironment. In a recent article published in Disease Models & Mechanisms (DMM), dmm.biologists.org , Zena Werb and colleagues used optimiz...

Why some primates, but not humans, can live with immunodeficiency viruses and not progress to AIDS

Key differences in immune system signaling and the production of specific immune regulatory molecules may explain why some primates are able to live with an immunodeficiency virus infection without progressing to AIDS-like illness, unlike other primate species, including rhesus macaques and humans...

Using live fish, new tool a sentinel for environmental contamination

WEST LAFAYETTE, Ind. - Researchers have harnessed the sensitivity of days-old fish embryos to create a tool capable of detecting a range of harmful chemicals. By measuring rates of oxygen use in developing fish, which are sensitive to contaminants and stressful conditions, the technology could ...

Vobile Launches VideoDNA Live; Enables Real-Time Digital Content Protection for Live Broadcast Events

Major deployment for 2008 Beijing Olympics LAS VEGAS, April 16 /PRNewswire/ -- (National Association of Broadcasters Show 2008) -- Vobile, a leading provider of video content identification and management products and services, today announced the release of VideoDNA(TM) Live, a...

Antioxidant users don't live longer, analysis of studies concludes

The vitamin industry has long touted antioxidants as a way to improve health by filling in gaps in diet, but a new review of studies found no evidence that the nutrition supplements extend life. Worse, the review authors said that some antioxidants could increase risk for death. The reviewers w...

Where college students live can impact their weight, eating and exercise habits

SAN DIEGO, CA Endometriosis is a poorly understood condition that incapacitates and affects the productivity and lifestyle of millions of women around the world. In the US, it affects approximately six million women and adolescents at a cost of some $1.6 billion per year. It is a chronic painful...

Technology uses live cells to detect food-borne pathogens, toxins

WEST LAFAYETTE, Ind. - Researchers have developed a new technology that can simultaneously screen thousands of samples of food or water for several dangerous food-borne pathogens in one to two hours. The technique, which has potential biosecurity and food safety applications, also can estimate ...

Why juniper trees can live on less water

DURHAM, N.C. -- An ability to avoid the plant equivalent of vapor lock and a favorable evolutionary history may explain the unusual drought resistance of junipers, some varieties of which are now spreading rapidly in water-starved regions of the western United States, a Duke University study has f...

Carnegie Mellon scientists develop fluorescent proteins for live cell imaging, biosensor design

PITTSBURGH Scientists at Carnegie Mellon Universitys Molecular Biosensor and Imaging Center have developed new fluorogen activating proteins (FAPs) that will become a key component of novel molecular biosensor technology being created at Carnegie Mellon. The FAPs, which can be used to monitor bio...

Drug aimed at 2 bioterror agents blocks live viral infection, Weill Cornell team reports

NEW YORK (Dec. 19, 2007) -- Two deadly and highly infectious viruses -- both potential bioterror threats -- may have met their match in a new drug developed by scientists at Weill Cornell Medical College in New York City. Hendra and Nipah viruses are related, newly recognized zoonotic viruses t...

RNA interference therapy heals growth deficiency disorder in a live animal

A team of Vanderbilt researchers have demonstrated for the first time that a new type of gene therapy, called RNA interference, can heal a genetic disorder in a live animal. The study, which was published online Nov. 15 by the journal Endocrinology, shows that RNA interference can rescue a strain...

Team of scientists develops non-invasive method to track nerve-cell development in live human brain

A team of scientists including researchers at Cold Spring Harbor Laboratory (CSHL) have identified and validated the first biomarker that permits neural stem and progenitor cells (NPCs) to be tracked, non-invasively, in the brains of living human subjects. This important advance could lead to sign...

Why do so many species live in tropical forests and coral reefs?

The latest development in a major debate over a controversial hypothesis of biodiversity and species abundance is the subject of a paper to be published in the 1 November 2007 issue of the journal Nature. The authors report good agreement between the species richness of two of the world's most vu...

Going live with click chemistry

Click chemistry, one of the most exciting and proficient new techniques for labeling biomolecules in vitro, has now been extended to studies in the context of live cells as well. This breakthrough opens the door for applications to live cell imaging of numerous biomolecules, including glycans, pro...

New deep-sea observatory goes live

Moss Landing, California--Off the coast of Central California, in the inky darkness of the deep sea, a bright orange metal pyramid about the size of two compact cars sits quietly on the seafloor. Nestled within the metal pyramid is the heart of the Monterey Accelerated Research System (MARS)the fi...

Why do oysters choose to live where they could be eaten?

There are many reasons why living in dense groups with others of your own kind is a good idea. Oftentimes, aggregations of a species serve as protection from predators and harsh environments or may be beneficial to future reproductive success. However, in the case of oyster larvae, the selection of...

Better health twice as likely for nonsmokers who live and work with smoking restrictions

In the first study of its kind to evaluate how smoking restrictions in the workplace and at home affect health status, researchers at the Mailman School of Public Health found that nonsmokers who live under both a total household and total workplace smoking ban are over two and a half times more li...

Older men treated for early prostate cancer live longer than those who are not

Recent findings from an observational study by researchers at the University of Pennsylvania School of Medicine suggest that men between 65 and 80 years of age who received treatment for early stage, localized prostate cancer lived significantly longer than men who did not receive treatment. The st...

Evolutionary forces explain why women live longer than men

Despite research efforts to find modern factors that would explain the different life expectancies of men and women, the gap is actually ancient and universal, according to University of Michigan researchers. "Women live longer in almost every country, and the sex difference in lifespan has been ...

Researchers appeal for new regulations to save coral reefs from live fish trade

Researchers are calling for tighter controls on the live reef fish trade, a growing threat to coral reefs, in letters to the international journal Science. Twenty of the world's leading marine scientists, including a team from the Department of Zoology, University of Cambridge, have called for a...

Sandia work launched on space shuttle shows live cells influence growth of nanostructures

Albuquerque, N.M. -- Far above the heads of Earthlings, arrays of single-cell creatures are circling Earth in nanostructures. The sample devices are riding on the International Space Station (courtesy of Sandia National Laboratories and the University of New Mexico, NASA and US Air Force) to tes...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

The saying goes that a picture is worth a thousand words. But these pictures could one day be worth much more -- the lives saved by the development of new vaccines. Harvard University researcher Ulrich H. von Andrian showed the immune system of a live mouse being challenged by a foreign microbe d...

New journal article urges use of animal serum-free media for growing live cells

In the March issue of Trends in Biotechnology, scientists and doctors with the Physicians Committee for Responsible Medicine (PCRM) recommend using only animal serum-free media to grow live cells in the laboratory. At issue is the use of fetal calf serum, which is obtained by puncturing the heart o...

Most embryos produced during IVF do not result in live births

Researchers at Yale School of Medicine have found that 85 percent of embryos transferred during in vitro fertilization fail to become live births, highlighting the need for improving diagnostic techniques to identify viable embryos. Published in the August issue of Fertility and Sterility, the st...

Scientists devise way to measure RNA synthesis on the fly in a live cell

A team of scientists at the University of Chicago has developed a non-invasive laboratory technique that allows them to instantly map when genes are switching off and on in a living bacterium as it becomes exposed to antibiotics and other changes in its environment. The technique, which is annou...

Novel live reporting system to track cells

New findings show an iron storage molecule in the cell can serve as an advanced tool for mapping gene expression. Future gene therapy may use a technique in which non-invasive magnetic resonance imaging (MRI) is used to track this molecule. The results of this research, conducted by Prof. Michal Ne...

Argonne to showcase science and technology at community open house

...rgonne conducts basic scientific research to better understand the world we live in, develops and evaluates advanced energy sources, promotes environmental ...ientific glassblower demonstrate his craft Monitor climate change with live data feeds from around the world Ride an energy bike to generate elect...

Moving to the US increases cancer risk for Hispanics

... certain cancers and worse cancer outcomes if they live in the United States, than they do if they live in their homelands. "Hispanics are not all the...iving in the United States compared with those who live in their countries of origin. Colorectal cancer ri...

Venomous sea snakes play heads or tails with their predators

...between the Yellow-lipped Sea Krait and other sea snakes is that they spend almost equal time on land and in the sea," said Rasmussen. "They therefore live in two worlds where two very different rules of survival apply. It remains to be confirmed whether Sea kraits use their sea defence tactic of motionin...

Scary ancient spiders revealed in 3-D models, thanks to new imaging technique

...the Earth during the Carboniferous period, 359 299 million years ago. This was a time before the dinosaurs, when life was emerging from the oceans to live on land. During this period, the world's continents were merging together near the equator to form one supercontinent and the first tropical rainfores...

Sustainable agriculture at the ESA Annual Meeting

...t, rice, maize and soy are based on an annual system, in which crop plants live one year, are harvested, and are replanted the following year. These syste...ils over time. Perennial systems, on the other hand, contain plants that live longer than one year despite being harvested annually. Many agricultural sc...

Aware, Inc. Reports Second Quarter 2009 Financial Results

... DSL test and home networking markets with a collection of technology, products and services." Note: Aware's conference call will be broadcast live over the Internet today, July 30, 2009 at 5:00 p.m. Eastern Time. To listen to the call, please go to www.aware.com/ir . The conference call may...

Douglas-fir, geoducks make strange bedfellows in studying climate change

...e dredging up shells of dead geoducks from the ocean floor," Black said, "and we hope we can append their growth patterns to chronology developed from live individuals. If so, it may be possible to extend geoduck chronologies over several centuries and greatly extend our climate histories." Black is wo...