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Researchers in Biological News

Mary had a lot of lambs: Researchers identify way to accelerate sheep breeding

Mary had a little lamb, but only once a year. However, Cornell Sheep Program researchers have discovered an unusual form of a gene that prompts ewes to breed out of season as well as conceive at younger ages and more frequently. They conducted a simple genetic test to identify the presence of t...

University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA

The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO 2 ) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO 2 by the oceans, the alarming growth of atmospheric CO 2 concentration would be substantially...

UBC researchers find first-ever 'wanderlust gene' in tiny bony fish

A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University of British Columbia study. Measuring three to 10 centimetres, stickleback fish originated in the ocean b...

Pitt researchers find promising candidate protein for cancer prevention vaccines

PITTSBURGH, Aug. 4 Researchers at the University of Pittsburgh School of Medicine have learned that some healthy people naturally developed an immune response against a protein that is made in excess levels in many cancers, including breast, lung, and head and neck cancers. The finding suggests t...

K-State researchers say after-school programs should promote activity, healthy nutrition

Children's after-school activities often consist of sedentary behavior such as watching television, but after-school programs that offer physical activity and healthy snacks could be the best place for children's health. David Dzewaltowski, head of the department of kinesiology at Kansas State ...

MU researchers create drought conditions to unearth solutions

COLUMBIA, Mo. Droughts have devastating effects on farmers. In most of the world, droughts are the leading cause of crop failure. Droughts increase consumer costs, kill livestock, reduce crop yields, and trigger wildfires and dust storms, which lead to malnutrition and famine, social unrest and p...

UCSF researchers identify new drug target for Kaposi's sarcoma

UCSF researchers have identified a new potential drug target for the herpes virus that causes Kaposi's sarcoma, re-opening the possibility of using the class of drugs called protease inhibitors against the full herpes family of viruses, which for 20 years has been deemed too difficult to attain. ...

Fox Chase researchers uncover one force behind the MYC oncogene in many cancers

Philadelphia (July 27, 2009) DLX5, a gene crucial for embryonic development, promotes cancer by activating the expression of the known oncogene, MYC, according to researchers from Fox Chase Cancer Center. Since the DLX5 gene is inactive in normal adults, it may be an ideal target for future anti-...

UBC researchers help push for standard DNA barcodes for plants

Two University of British Columbia researchers are part of an international team recommending standards for the DNA barcoding of land plants, a step they hope will lead to a universal system for identifying over 400,000 species, and ultimately boost conservation efforts. Barcodes based on porti...

ISU researchers find possible treatment for spinal muscular atrophy

AMES, Iowa - Spinal Muscular Atrophy is the second-leading cause of infant mortality in the world. Ravindra Singh, associate professor in biomedical sciences at Iowa State University's College of Veterinary Medicine, would like to see Spinal Muscular Atrophy lose its high ranking and even slide ...

Iowa State University researchers develop process for 'surgical' genetic changes

AMES, Iowa - Research led by scientists at Iowa State University's Plant Sciences Institute has resulted in a process that will make genetic changes in plant genes much more efficient, practical and safe. The breakthrough was developed by David Wright, an associate scientist, and Jeffery Townsen...

UCLA researchers discover new molecular pathway for targeting cancer, disease

A UCLA study has identified a way to turn off a key signaling pathway involved in physiological processes that can also stimulate the development of cancer and other diseases. The findings may lead to new treatments and targeted drugs using this approach. In the study, which is currently ava...

Munich researchers discover new target for tailored antibiotics

This release is available in German . More and more strains of bacteria are developing resistance to previously life-saving antibiotics. Researchers at TUM, the Technische Universitaet Muenchen, have shed light on a metabolic step that appears in many aggressive microorganisms -- such as t...

Baylor researchers unravel mystery of DNA conformation

HOUSTON An iconic photograph ( http://img.timeinc.net/time/80days/images/530228.jpg ) of Nobel laureates Drs. Francis Crick and James Watson show the pair discussing with a rigid model of the famous double helix. The interaction represented produced the famous explanation of the structure of ...

UTSA infectious disease researchers advancing vaccine against Valley fever

San Antonio Medical mycologists in The South Texas Center for Emerging Infectious Diseases (STCEID) and the Department of Biology at The University of Texas at San Antonio (UTSA) have significantly advanced the fight against San Joaquin Valley Fever, a respiratory infection of humans, commonly ca...

Canadian researchers set to study impact of nanomaterials on aquatic ecosystems

Edmonton A team of Canadian scientists and engineers, led by the University of Alberta and the National Research Council of Canada, will collaborate on a $3.39 million, three-year study to assess the potential effects of nanoparticles in specific water environments. "Nanotechnology is a very ...

Ben-Gurion U. researchers reveal connection between cancer and human evolution

BEER-SHEVA, ISRAEL, July 2, 2009 Researchers at Ben-Gurion University of the Negev (BGU) have discovered that gene mutations that once helped humans survive may increase the possibility for diseases, including cancer. The findings were recently the cover story in the journal Genome Research . ...

University of Leicester researchers discover new fluorescent silicon nanoparticles

Researchers in the Department of Physics and Astronomy at the University of Leicester have developed a new synthesis method, which has led them to the discovery of fluorescent silicon nanoparticles and may ultimately help track the uptake of drugs by the body's cells. Dr Klaus von Haeften expla...

Stanford researchers publish comprehensive model for medical device development

WASHINGTON, DCIn an effort to increase understanding of the medical device development process and help companies execute the bench-to-bedside process of product development more effectively, researchers at Stanford University have published the first comprehensive model representing the medical d...

Caltech researchers explore how cells reconcile mixed messages in decisions about growth

PASADENA, Calif.The cells in our body are constantly receiving mixed messages. For instance, an epithelial cell might be exposed to one signal telling it to divide and, simultaneously, another telling it to stop dividing. Understanding the process by which these competing environmental cues are re...

UC Davis researchers visualize formation of a new synapse

(SACRAMENTO, Calif.) A protein called neuroligin that is implicated in some forms of autism is critical to the construction of a working synapse, locking neurons together like "molecular Velcro," a study lead by a team of UC Davis researchers has found. Published online in the June issue of th...

UBC researchers develop new method to study gambling addictions

UBC researchers have created the world's first animal laboratory experiment to successfully model human gambling. The advance will help scientists develop and test new treatments for gambling addictions, a devastating condition that affects millions worldwide. In addition to showing that rats ...

UCLA cancer researchers develop model that may help identify cancer stem cells

Researchers at UCLA's Jonsson Comprehensive Cancer Center, on a quest to find lung cancer stem cells, have developed a unique model to allow further investigation into the cells that many believe may be at the root of all lung cancers. If researchers could find a way to isolate and grow lung c...

Duke, Harvard researchers to monitor bonobo reintroduction

DURHAM, N.C. -- American researchers who have been studying the rare and threatened bonobo ape will lead monitoring efforts after a group of orphan bonobos are returned to the wild in the Congo for the first time this month. On June 14 and 28, for the first time ever, a group of 18 orphan bonob...

Rice University researchers ask if biofuels will lead to a 'drink or drive'

Rice University scientists warned that the United States must be careful that the new emphasis on developing biofuels as an alternative to imported oil takes into account potential damage to the nation's water resources. "The ongoing, rapid growth in biofuels production could have far-reaching ...

Aussie and Kiwi researchers make double MS genetic discovery

Australian and New Zealand researchers have accelerated research into Multiple Sclerosis by discovering two new locations of genes which will help to unravel the causes of MS and other autoimmune disease. Their findings will be published today in the prestigious journal Nature Genetics . ...

Universitat Autonoma de Barcelona researchers first to clone mice in Spain

Researchers at the Department of Cell Biology, Physiology and Immunology at Universitat Autnoma de Barcelona (UAB) are the first to have cloned mice in Spain. Cloe, Cleo and Clona are three female brown-coloured mice and were born respectively on 12 May, 3 June and 10 June. By means of nuclear tra...

University of Saskatchewan and Canadian Synchrotron researchers shed light on esophageal disease

SASKATOON, SASKATCHEWAN Canadian Light Source (CLS) staff scientist Luca Quaroni and Dr. Alan Casson, Head of the Department of Surgery at the University of Saskatchewan (U of S) used the synchrotron's infrared microscope to identify tissue afflicted with a condition known as Barrett's Esophagus f...

USC researchers present diabetes findings at American Diabetes Association Scientific Sessions

New Orleans, LA June 4, 2009---Researchers from the Keck School of Medicine of the University of Southern California will present new findings at the American Diabetes Association's scientific sessions June 5 9 in New Orleans, LA. Keck School of Medicine of USC faculty, students and post-doct...

MSU researchers receive $400,000 in first wave of stimulus funding

EAST LANSING, Mich. A pair of Michigan State University professors have received a total of nearly $400,000 for their cardiovascular research projects as part of the first wave of stimulus funding from federal agencies. The money, from the National Institutes of Health via the American Recover...

Penn researchers discover genetic risk factor for testicular cancer

(PHILADELPHIA) Researchers at the University of Pennsylvania School of Medicine have uncovered variation around two genes that are associated with an increased risk of testicular cancer. Testicular cancer is the most common cancer among young men, and its incidence among non-Hispanic Caucasian ...

Understanding plants' overactive immune system will help MU researchers build better crops

COLUMBIA, Mo. A plant's immune system protects the plant from harmful pathogens. If the system overreacts to pathogens, it can stunt plant growth and reduce seed production. Now, University of Missouri researchers have identified important suppressors that negatively regulate the responses of the...

Notre Dame researchers describe new tool for evaluating 'managed relocations'

Three University of Notre Dame researchers are among the authors of a new paper that describes a ground-breaking tool designed to help policy makers determine when and how to use an environmental strategy known as "managed relocation." Jessica Hellmann and Jason McLachlan, assistant professors...

UCSD researchers make first direct observations of biological particles in high-altitude ice clouds

A team of UC San Diego-led atmospheric chemistry researchers moved closer to what is considered the "holy grail" of climate change science when it made the first-ever direct detection of biological particles within ice clouds. The team, led by Kerri Pratt, a Ph.D. student of atmospheric chemist...

3-D kidney atlas created for researchers and physicians

Renal diseases shall be diagnosed earlier and treated more successfully in the future. Towards this aim, researchers from nine European countries*, coordinated by the Max Delbrck Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have been working for the past four-and-a half years to creat...

UMMS researchers isolate first 'neuroprotective' gene in patients with amyotrophic lateral sclerosis

WORCESTER, Mass. A genetic variant that substantially improves survival of individuals with amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, has been indentified by a consortium of researchers led by John Landers, PhD, Associate Professor of Neurology and Robert Brown, MD...

OHSU researchers study the idling brain

PORTLAND, Ore Oregon Health & Science University researchers, along with scientists at Washington University in St. Louis, are uncovering new information about the mind by studying the brain while it is at rest. It is believed this research will one day provide new tools for diagnosing mental hea...

Hebrew University researchers neutralize tumor growth in embryonic stem cell therapy

Jerusalem, May 5, 2009 Researchers at the Hebrew University of Jerusalem have discovered a method to potentially eliminate the tumor-risk factor in utilizing human embryonic stem cells. Their work paves the way for further progress in the promising field of stem cell therapy. Human embryonic ...

Stowers researchers develop whole genome sequencing approach for mutation discovery

The Stowers Institute's Hawley Lab and Molecular Biology Facility have developed a "whole-genome sequencing approach" to mapping mutations in fruit flies. The novel methodology promises to reduce the time and effort required to identify mutations of biological interest. The work was published in t...

Pfizer supports open access publishing for researchers in low-income countries

Today, Pfizer announced an agreement with BioMed Central to launch an open access waiver fund which will support automatic waivers of publication fees for authors from low-income countries. Thanks to the open access waiver fund, researchers in low-income countries can publish research articles ...
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