Reveals in Biological News

Study reveals a reprogrammed role for the androgen receptor

BOSTONThe androgen receptor a protein ignition switch for prostate cancer cell growth and division is a master of adaptability. When drug therapy deprives the receptor of androgen hormones, thereby halting cell proliferation, the receptor manages to find an alternate growth route. A new study by...

UAB study reveals bone coupling factor key to skeletal health

BIRMINGHAM, Ala. Researchers at the University of Alabama at Birmingham (UAB) have discovered a molecular coupling factor that helps bones grow and remodel themselves to stay strong, a finding that could lead to better bone-building therapies and new osteoporosis drugs, the researchers said Th...

1-finger exercise reveals unexpected limits to dexterity

"Push your finger as hard as you can against the surface. Now as hard as you can but move it slowly - follow the ticking clock. Now faster. Now faster." These were the commands for volunteers in a simple experiment that casts doubt on old ideas about mechanisms to control hand muscles. Complete...

First ever worldwide census analysis of caribou/reindeer numbers reveals dramatic decline

Caribou and reindeer numbers worldwide have plunged almost 60% in the last three decades. The dramatic revelation came out of the first ever comprehensive census analysis of this iconic species carried out by biologists at the University of Alberta. The results have recently been published i...

Gene activity reveals dynamic stroma microenvironment in prostate cancer

HOUSTON -- (June 9, 2009) As stroma the supportive framework of the prostate gland react to prostate cancer, changes in the expression of genes occur that induce the formation of new structures such as blood vessels, nerves and parts of nerves, said researchers at Baylor College of Medicine in ...

ESA map reveals European shipping routes like never before

A synoptic view of European shipping routes can be seen for the first time thanks to a new map created using seven years of radar data from ESA's Envisat satellite. Earth observation satellites have been providing ship-detecting services for several years, but this is the first time this amount...

U of Minnesota research reveals critical role of evolutionary processes in species coexistence

A team of researchers, led by the University of Minnesota, addressing long-standing conflicts in ecology and evolutionary science, has provided key directions for the future of community ecology. The team comprehensively synthesized emerging work that applies knowledge of evolutionary relationshi...

Diuscovery in amber reveals ancient biology of termites

CORVALLIS, Ore. The analysis of a termite entombed for 100 million years in an ancient piece of amber has revealed the oldest example of "mutualism" ever discovered between an animal and microorganism, and also shows the unusual biology that helped make this one of the most successful, although f...

Study reveals conflict between doctors, midwives over homebirth

CORVALLIS, Ore. Two Oregon State University researchers have uncovered a pattern of distrust and sometimes outright antagonism among physicians at hospitals and midwives who are transporting their home-birth clients to the hospital because of complications. Oregon State University assistant...

First neuroimaging study examining motor execution in children with autism reveals new insights

(Baltimore, MD) In the first neuroimaging study to examine motor execution in children with autism, researchers at the Kennedy Krieger Institute have uncovered important new insight into the neurological basis of autism. The study, published online in the journal Brain 's April 23 Brain Advanced...

KINAXOs Cellular Target Profiling reveals mTOR as a new target of Celebrex

Martinsried, Germany, April 29, 2009 / b3c newswire / - Kinaxo Biotechnologies GmbH has successfully applied its Cellular Target Profiling® technology to identify the protein kinase mTOR as a new cellular target of celecoxib (Celebrex®, Pfizer). Celecoxib is a non-steroidal, anti-infla...

New study reveals the protein that makes phosphate chains in yeast

It can be found in all life forms, and serves a multitude of purposes, from energy storage to stress response to bone calcification. This molecular jack-of-all trades is polyphosphate, a long chain of phosphate molecules. Researchers at the European Molecular Biology Laboratory (EMBL) in Heidelber...

Study reveals potential to amass more carbon in eastern North American forests

MADISON With climate change looming, the hunt for places that can soak up carbon dioxide from the atmosphere is on. Obvious "sinks" for the greenhouse gas include the oceans and the enormous trees of tropical rainforests. But temperate forests also play a role, and new research now suggests t...

Tentacles of venom: New study reveals all octopuses are venomous

Once thought to be only the realm of the blue-ringed octopus, researchers have now shown that all octopuses and cuttlefish, and some squid are venomous. The work indicates that they all share a common, ancient venomous ancestor and highlights new avenues for drug discovery. Conducted by scienti...

New method for detection of phosphoproteins reveals regulator of melanoma invasion

Scientists have developed a new approach for surveying phosphorylation, a process that is regulated by critical cell signaling pathways and regulates several key cellular signaling events. The research, published by Cell Press in the April 10th issue of the journal Molecular Cell , describes the ...

Study reveals potential to amass more carbon in eastern North American forests

MADISON With climate change looming, the hunt for places that can soak up carbon dioxide from the atmosphere is on. Obvious "sinks" for the greenhouse gas include the oceans and the enormous trees of tropical rainforests. But temperate forests also play a role, and new research now suggests t...

Model tissue system reveals cellular communication via amino acids

A team of researchers from the Massachusetts General Hospital Center for Engineering in Medicine (MGH-CEM) has found the first evidence of cell-to-cell communication by amino acids, the building blocks of proteins, rather than by known protein signaling agents such as growth factors or cytokines. ...

UW-Madison study reveals new options for people with PKU

MADISON For people with the genetic condition known as phenylketonuria (PKU), diet is a constant struggle. They can eat virtually no protein, and instead get their daily dose of this key macronutrient by drinking a bitter-tasting formula of amino acids. Yet drink it they must; deviating from this...

New research reveals the earliest evidence for corn in the New World

Among the hundreds of plants that have been domesticated in the New World, none has received as much attention or been subject to as much debate as corn, or maize (Zea mays L.), arguably the most important crop of the Americas. Controversies have existed for years over what the wild ancestor of ma...

Great Basin's Bear Lake reveals records of past climate

Boulder, CO, USA The Geological Society of America presents a new Special Paper, Paleoenvironments of Bear Lake, Utah and Idaho, and Its Catchment . This volume is the culmination of more than a decade of coordinated investigations aimed at a holistic understanding of the long-lived Bear Lake, w...

Microscope reveals how bacteria 'breathe' toxic metals

COLUMBUS, Ohio -- Researchers are studying some common soil bacteria that "inhale" toxic metals and "exhale" them in a non-toxic form. The bacteria might one day be used to clean up toxic chemicals left over from nuclear weapons production decades ago. Using a unique combination of microscop...

Study of protein structures reveals key events in evolutionary history

A new study of proteins, the molecular machines that drive all life, also sheds light on the history of living organisms. The study, in the journal Structure , reveals that after eons of gradual evolution, proteins suddenly experienced a "big bang" of innovation. The active regions of many pro...

Analysis of fresh strawberries reveals consumer preferences

WINTER HAVEN, FLFresh strawberries. Just the mention of this iconic spring and early summer fruit can elicit mouthwatering memories of shortcake, fruity drinks and sweet desserts. Researchers interested in learning more about this evocative fruit have determined that "sensory quality" of strawberr...

Reversing ecology reveals ancient environments

From hair color to the ancestral line of parasitic bacteria, scientists can glean a lot from genes. But imagine if genes also revealed where you lived or who you spent time with. It turns out they do, if you know where and how to look. Stanford researchers with collaborators at Tel-Aviv Univers...

Polar research reveals new evidence of global environmental change

This release is available in French and Spanish . The wide-ranging IPY findings result from more than 160 endorsed science projects assembled from researchers in more than 60 countries. Launched in March 2007, the IPY covers a two-year period to March 2009 to allow for observations durin...

Comparative genomics reveals molecular evolution of Q fever pathogen

Blacksburg, Va. Scientists from the National Institute of Allergy and Infectious Diseases, Texas A&M Health Center, and the Virginia Bioinformatics Institute at Virginia Tech have uncovered genetic clues about why some strains of the pathogen Coxiella burnetii are more virulent than others. ...

Landmark national study reveals significance of green practices in attractions industry

(St. Louis, Missouri): The results of a national survey released by PGAV Destination Consulting, a planning and design firm in the international entertainment, tourism and hospitality industries, in collaboration with the world-renowned Missouri Botanical Garden, reveal an important understanding...

Study reveals effects of unconscious exposure to advertisements

Troy, N.Y. Fads have been a staple of American pop culture for decades, from spandex in the 1980s to skinny jeans today. But while going from fad to flop may seem like the result of fickle consumers, a new study suggests that this is exactly what should be expected for a highly efficient, rationa...

Bonefish census reveals population holding steady

VIRGINIA KEY, Fla. -- If you're looking for bonefish from Miami down to the Marquesas Islands, you have about 321,000 to choose from, and that is down slightly from the average of previous censusesmostly due to increased participation among those who are counting, researchers speculate. The Univer...

UBC researcher reveals humpback whales' dining habits -- and costs

As most American families sit down to Thanksgiving dinner, a University of British Columbia researcher is revealing how one of the largest animals on earth feasts on the smallest of prey and at what cost. Some large marine mammals are known for their extraordinarily long dive times. Elephant s...

Biomedical engineers' detective work reveals antibiotic mechanism

(Boston) -- A series of genetic clues led a team of Boston University biomedical engineers to uncover exactly how certain antibiotics kill bacteria. The findings could help rejuvenate the efficacy of older antibiotics and reveal new antibiotic targets within bacterial cells. "The research speak...

First comprehensive genomic study of common cold reveals new treatment targets

Cincinnati, OH (October 24, 2008) Today, scientists from Procter & Gamble (P&G), the University of Calgary and the University of Virginia announced results from the first study to examine the entire human genome's response to the most common cold virus, human rhinovirus. The research confirmed, ...

New Study Reveals the Emotional Impact and Effectiveness of Negative Campaigning

Signal Patterns' SP Labs Election Patterns Report explains the impact of negative campaigning tactics and the emotions of voters; report also reveals that openness and conscientiousness are best predictors of candidate preference and other key findings PLEASANTVILLE, N.Y., Oct. 23 /PRNewswir...

Making flies sick reveals new role for growth factors in immunity

A Salmonella infection is not a positive experience. However, by infecting the common laboratory fruit fly Drosophila melanogaster with a Salmonella strain known for causing humans intestinal grief, researchers in the School of Life Sciences at Arizona State University have shed light on some ke...

Tick-borne encephalitis virus reveals its access code

Fritz et al. have identified an amino acid switch that flaviviruses flip to gain access to cells. Flaviviruses such as tick-borne encephalitis virus (TBEV), yellow fever, and dengue are dangerous human pathogens. These membrane-encircled viruses enter cells by being gobbled up into endosomes and ...

UGA study reveals ecosystem-level consequences of frog extinctions

Athens, Ga. Streams that once sang with the croaks, chirps and ribbits of dozens of frog species have gone silent. They're victims of a fungus that's decimating amphibian populations worldwide. Such catastrophic declines have been documented for more than a decade, but until recently scientist...

Study reveals specific gene in adolescent men with delinquent peers

TALLAHASSEE, Fla. -- Birds of a feather flock together, according to the old adage, and adolescent males who possess a certain type of variation in a specific gene are more likely to flock to delinquent peers, according to a landmark study led by Florida State University criminologist Kevin M. Bea...

Study reveals homeowner perceptions in fire-prone areas

Most residents in fire-prone communities surrounded by the San Bernardino National Forest have taken steps to protect their homes from wildland fires, according to a U.S. Forest Service study completed this summer. "The Experience of Community Residents in a Fire-Prone Ecosystem: A Case Study on...

Study reveals how viruses collectively decide the fate of a bacterial cell

A new study suggests that bacteria-infecting viruses called phages can make collective decisions about whether to kill host cells immediately after infection or enter a latent state to remain within the host cell. The research, published in the September 15 issue of the Biophysical Journal, ...

Photo reveals rare okapi survived poaching onslaught

NEW YORK (September 10, 2008)A set of stripy legs in a camera trap photo snapped in an African forest indicates something to cheer about, say researchers from the Wildlife Conservation Society. The legs belong to an okapia rare forest giraffewhich apparently has survived in the Democratic Republic...