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International research team seeks to unravel flatworm regeneration

Planarian flatworms are only a few millimeters up to a few centimeters in length, live in freshwater and are the object of intense research, because they possess the extraordinary ability to regenerate lost tissue with the help of their stem cells (neoblasts) and even grow an entirely new worm out...

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 ...

Scientists unravel the mystery of white-nose syndrome

KNOXVILLE -- The mysterious disease that has killed more than 90 percent of wintering bats in some caves and mines from Vermont to Virginia during the last three years has raised numerous questions about the nature of the disease and how to control it. Leading experts in the fields of bat physi...

Research team wins funds to unravel a DNA mystery

An international research team headed by two researchers from the University of Adelaide, Australia, has been awarded a US$900,000 grant to help unravel the phenomenon of "DNA looping". DNA looping is responsible for controlling the expression of genes in cells. It is believed to play a key ro...

'Freaks' help scientist unravel nature and nurture

In 1940, a Dutch goat born without front legs learned to walk upright. So did Faith, a two-legged dog in Oklahoma. Johnny Eck, a "half-man" born without legs, grew naturally into a graceful hand-walker. And in Minnesota, conjoined twins Abigail and Brittany Hensel live successfully wit...

HWI scientist first in world to unravel structure of key breast cancer target enzyme

The molecular details of Aromatase, the key enzyme required for the body to make estrogen, are no longer a mystery thanks to the structural biology work done by the Ghosh lab at the Hauptman-Woodward Medical Research Institute (HWI) in Buffalo, New York. Dr. Debashis Ghosh's solution of the three...

Chemist receives NIH funding to unravel tricks of neuronal wiring

Joshua Maurer, Ph.D., assistant professor of chemistry in Arts & Sciences, has received a four-year, $1,216,000 grant from the National Institute of Mental Health for research titled "Unraveling Development: New Materials for Understanding Neuronal Wiring." Maurer's long term objective is to d...

Soybean grant gives researchers tools to unravel better bean

For millennia, people have grown soybeans and turned them into many useful products. But when it comes to understanding why a soybean grows, blooms or produces like it does, researchers are left with unanswered questions. University of Georgia professor Wayne Parrott aims to find the answers w...

Yale researchers unravel mystery of brain aneurysms

Yale researchers have taken the first critical steps in unraveling the mysteries of brain aneurysms, the often fatal rupturing of blood vessels that afflicts 500,000 people worldwide each year and nearly killed Vice President-elect Joseph Biden two decades ago. An international team led by Mur...

$2 million computer will help unravel major medical ailments

A federal grant will allow Johns Hopkins researchers to purchase a powerful $2 million computer that will speed up their efforts to find new ways to diagnose and treat brain disease, heart illnesses, cancer and other medical ailments. The Institute for Computational Medicine, based at Johns Ho...

MIT-led teams unravel heparin death mystery

CAMBRIDGE, Mass.--An international team of researchers led by MIT has explained how contaminated batches of the blood-thinner heparin were able to slip past traditional safety screens and kill dozens of patients recently in the United States and Germany. The team, led by Professor Ram Sasisekha...

Computation to unravel how genes are regulated and shed light on how cells become different

A closer alliance between computational and experimental researchers is needed to make progress towards one of biologys most challenging goals, understanding how epigenetic marks contribute to regulation of gene expression. This emerged from a recent workshop organised by the European Science Foun...

Honeybee researcher to unravel properties governing lifespan with support from Norway

Gro Amdam, associate professor in the School of Life Sciences at Arizona State University, has been awarded two grants totaling the U.S. equivalent of about $1.4 million from the Norwegian Research Council to investigate biochemical factors and social life history properties that can influence agi...

Scientists unravel the genetic coding of the pea

The pea is one of many important crop species that is unsuited to the Agrobacterium-based genetic modification techniques that are commonly used to work with crops. Researchers, reporting in the open access journal Genome Biology have now discovered the first high-throughput forward and reverse ge...

Scientists unravel plants' natural defenses

A team of researchers, led by the University of Sheffield and Queen Mary, University of London, has discovered how plants protect their leaves from damage by sunlight when they are faced with extreme climates. The new findings, which have been published in Nature, could have implications both for ...

Simulations unravel outer membrane transport mechanism

Biochemistry professor Emad Tajkhorshid and graduate student James Gumbart used two software programs developed in the U. of I.'s National Institutes of Health Resource for Macromolecular Modeling and Bioinformatics to painstakingly model a critical part of a mechanism by which bacteria take up ...

University of Alberta researchers unravel intricate animal patterns

There is a scene in the animated blockbuster "Finding Nemo" when a school of fish makes a rapid string of complicated patterns—an arrow, a portrait of young Nemo and other intricate designs. While the detailed shapes might be a bit outlandish for fish to form, the premise isn’t far off. But how doe...

Microfossils unravel climate history of tropical Africa

Scientists from the NIOZ Royal Netherlands Institute for Sea Research obtained for the first time a detailed temperature record for tropical central Africa over the past 25,000 years. They did this in cooperation with a German colleague from the University of Bremen, The scientists developed an ent...

Scientists unravel clue in cortisol production

When a person's under stress or injured, the adrenal gland releases cortisol to help restore the body's functions to normal. But the hormone's effects are many and varied, lowering the activity of the immune system, helping create memories with short-term exposure, while impairing learning if there...

Computer scientists unravel 'language of surgery'

Borrowing ideas from speech recognition research, Johns Hopkins computer scientists are building mathematical models to represent the safest and most effective ways to perform surgery, including tasks such as suturing, dissecting and joining tissue. The team's long-term goal is to develop an obj...

UCLA researchers unravel a mystery about DNA

UCLA researchers in collaboration with researchers at Rutgers University have solved longstanding mysteries surrounding DNA transcription, the first step in carrying out instructions contained in our genes. The breakthrough described in an article in the Nov. 17 issue of the journal Science reveals...

UGA scientists unravel 'molecular inch-worm' structure of walking-pneumonia bacterium

Researchers at the University of Georgia, using glow-in-the-dark proteins and microcinematography, have helped unravel the development and function of a complex organelle in the bacterium that causes "walking pneumonia." The researchers have described in new, precise detail the unique cell extens...

Researchers unravel DNA tangles and enzyme seamstresses

Almost three metres of tightly-coiled DNA strands fit into a cell's nucleus. As DNA replicates, the strands unwind and unfold and then re-package into chromosomes, the genetic blueprints of life ?but what happens if this process becomes entangled? Untangling the heaps of DNA strings during cell d...

UW scientists unravel critical genetic puzzle for flu virus replication

Like any other organism, an influenza virus's success in life is measured by its genetic track record, its ability to pass on genes from one generation to the next. But while much is known about the genes and inner workings of flu viruses, how the microbe organizes its genetic contents to seed fu...

University of Arizona plant scientists to unravel maize genome

Researchers at The University of Arizona's plant sciences department and UA's BIO5 Institute have received a $29 million federal grant as part of a consortium to unlock the genetic code of the corn plant. The knowledge gained from the Maize Genome Sequencing Project will enable plant scientists and...

UT Southwestern researchers unravel control of growing blood vessels

Researchers at UT Southwestern Medical Center have discovered a basic mechanism by which smooth muscle cells that line the blood vessels can grow ?sometimes abnormally ?suggesting methods of treatment for various coronary diseases. Abnormal growth of cells inside blood vessels is involved in hypert...

ORNL, UC Berkeley unravel real-world clues to Earth's mysteries

A microbial community thriving under bizarre natural conditions in California could be a gold mine to researchers in their quest to understand the complex biological relationships and how these inner workings might apply on a grander scale. In a paper to appear today on Science Online, researcher...

Scientists journey to southern Africa to unravel the secret world of elephant communication

It's a cloudless July afternoon in Etosha National Park in northern Namibia, and ecologist Caitlin O'Connell-Rodwell is scanning the horizon for elephants. "It's so fantastic here," she says. "We're constantly seeing elephants, rhinos, zebras, ostriches--it's the Garden of Eden." A research asso...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

Scientists have demonstrated a new way to assess the potentially damaging effects of prenatal drug exposure--a technique that could also be used to monitor a fetus's response to therapeutic drugs--using sophisticated, noninvasive medical imaging tools. Scientists at the U.S. Department of Energy's ...

Carnegie donates landmark clones to biology

...rce Center (ABRC is at Ohio State University) for other scientists to use to help advance fields from medicine to farming. These genes are now used to unravel the interaction of the membrane proteins amongst each other. Recent research at the Carnegie department has shown that cells across different speci...

August 2009 Geology and GSA Today media highlights

...und the archaeological sites of Mayapn and Chichn Itz. These base maps are valuable for documenting local strontium isotope ratios and will be used to unravel the migration history to and from these ancient Maya cities. Natural and anthropogenic sources of East Asian dust Gaojun Li et al., State La...

Reviews of microbial gene language published in special issue of Trends in Microbiology

...ersity of Maryland School of Medicine and a senior scientist on the PAMGO project, commented: "The surface has barely been scratched in the attempt to unravel the complex relationships between human health and the microbes that inhabit us. Here at the Institute for Genome Sciences we are managing the Data A...

Neural stem cell differentiation factor discovered

...nal differentiation factor in ischemic insults or neurodegenerative diseases such as Alzheimer or Parkinson predict both researchers. Future work will unravel in which diseases EGFL7 can unfold its therapeutic potential. ...

NIH funds $9.5 million for research on HIV and the human innate immune system

... of lead investigator Aaron Weinberg, professor and chair of the Department of Biological Sciences at the dental school, a team of 22 researchers will unravel changes in the human body's innate immune system in HIV-infected people on antiretroviral therapies to provide new insights into how the body keeps us...

Aussie and Kiwi researchers make double MS genetic discovery

...iple 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 ...asian women. "This Australasian team is competing on a global scale to unravel the complex genetics of MS. This is a significant discovery" says Professor...

Protein linked to mental retardation controls synapse maturation, plasticity, CSHL team finds

...when the gene that encodes it develops a mutation." By manipulating OPHN1 gene expression on the postsynaptic side of the gap, the team was able to unravel a key link between OPHN1 function and synaptic activity. They showed that neuronal activity, which triggers the activation of post-synaptic cellular ...

Translating the conversation between the brain and blood vessels

...sity of Iowa in 1960, little was known about the constant physiological chatter between the brain and the blood vessels. His research since has helped unravel how this chatter adjusts blood pressure and blood flow to meet the body's constantly changing demands. The work has already led to clinical advance...

Genetic switch potential key to new class of antibiotics

... preQ1 riboswitch fold also forces us to reevaluate the numerous, small non-protein-coding RNAs present in the human genome. In the future, we hope to unravel the biology of these molecules, which promises to be of enormous benefit in our understanding of gene regulation, as well as of human disease." ...

Plant biologists discover gene that switches on 'essence of male'

...tion, namely its dual role in sperm cell production and switching on their ability to fertilize. Professor Twell added that the study could help to unravel the evolutionary origins of plant sperm cells and provide new molecular tools for the manipulation of plant fertility and hybrid seed production as w...

It's for the birds

... record more than a century of information about bird migration, a veritable treasure trove for climate-change researchers because they will help them unravel the effects of climate change on bird behavior, said Jessica Zelt, coordinator of the North American Bird Phenology Program at the USGS Patuxent Wildl...
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