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Pattern in Biological News

Cancer's distinctive pattern of gene expression could aid early screening and prevention

AUGUSTA, Ga. Distinctive patterns of genes turned off or left on in healthy versus cancerous cells could enable early screening for many common cancers and maybe help avoid them, Medical College of Georgia scientists say. Researchers are comparing chemical alterations, called DNA methylatio...

Clarke clarifies pattern recognition theory

Recent commentary has suggested that the extent to which anomaly theories have become ingrained in the minds of academics and popular commentators alike has led to certain common assumptions and misconceptions about Clarke's pattern recognition theory of humour. "There are two major misconcepti...

Fish cancer gene linked to pigment pattern that attracts mates

ATHENS, Ohio (Aug. 18, 2008) Though skin cancer is deadly to male fish, it also has one perk: The black melanoma splotches arise from attractive natural markings that lure female mates. A new study published in the Proceedings of the National Academy of Sciences this week shows that the melanom...

Fat intake negatively influences the sleep pattern in healthy adults

WESTCHESTER, Ill. Total fat intake and dinner fat intake seem to influence negatively the sleep pattern in healthy adults, according to a research abstract that will be presented on Tuesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS). The study,...

Courtship pattern shaped by emergence of a new gene in fruit flies

When a young gene known as sphinx is inactivated in the common fruit fly, it leads to increased male-male courtship, scientists report in the May 27, 2008, issue of the Proceedings of the National Academy of Sciences. High levels of male-male courtship are widespread in many fly species, but no...

Brain pattern associated with genetic risk of obsessive compulsive disorder

Cambridge researchers have discovered that individuals with obsessive compulsive disorder (OCD) and their close family members have distinctive patterns in their brain structure. This is the first time that scientists have associated an anatomical trait with familial risk for the disorder. The...

Unique pattern of gene expression can indicate acetaminophen overdose

In a new study, researchers found they could detect toxic levels of acetaminophen in laboratory animals by analyzing gene expression in the blood. This study by the National Institute of Environmental Health Sciences (NIEHS), part of the National Institutes of Health, could be a first step in dev...

Simple explanation for complex pattern of feather development

Biologists testing a mathematical model of the mechanism birds use to control the growth of complex feathers found that plumed feather structures involve the coordination of at least two genes that activate and that inhibit barb growth. "Understanding these mechanisms of feather growth gives a wh...

Scientists discover global pattern of big fish diversity in open oceans

A new study released in Science (via Science Express http://www.sciencexpress.org) on July 28th reveals a striking downward trend in the diversity of fish in the open ocean ?the largest and least known part of our planet. Teasing apart the effects of climate change and fishing over the past 50 year...

Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia

A new study is providing scientists with a better understanding of why some pediatric acute lymphoblastic leukemia (ALL) patients fail to respond to treatment even when existing clinical predictive criteria point towards a positive treatment outcome. The research, published in the April issue of Ca...

Urban water ecology at the ESA annual meeting

... terrestrial insects comprised up to 100 percent of the diet of fish in undeveloped lakes, in contrast to a maximum of 2 percent in developed lakes, a pattern that was also apparent at the regional and national scale. Francis' research also showed that trout in developed lakes had a 50 percent lower daily ...

August 2009 Geology and GSA Today media highlights

...eriod suggest changes in precipitation and temperature may be the cause. These short-term cycles share similarities with other records documenting the pattern of El Nio events over the past 5000 years, which suggest that such events have become more frequent and intense in this time. Middle Miocene o...

Jet-propelled imaging for an ultrafast light source

...the orientation of the sample from the diffraction pattern itself, even when as few as four percent of the pi...ly the LCLS will be able to get a good diffraction pattern from a target like this with a single ultrabright ...omputer processing was able to derive an excellent pattern by averaging diffraction from a series of samples....

Sex in the Caribbean: Environmental change drives evolutionary change -- eventually

.... But not everyone agreed that the extinctions which occurred 1-2 million years later in the Caribbean were caused by the formation of the Isthmusa pattern also seen in corals and molluscs. Now these authors have the evidence to be sure. "It's important to distinguish between ecological extinctionwhen t...

Indonesia Now Using MegaMatcher Biometric Technology in Integrated Passport Issuance System

...he Fingerprint Verification Competitions (FVC). Drawing from years of academic research in the fields of neuroinformatics, image processing and pattern recognition, Neurotechnology was founded in 1990 in Vilnius, Lithuania under the name Neurotechnologija and released its first fingerprint identificat...

Researchers develop 'brain-reading' methods

...different processing tasks have their own distinct pattern of neural connections stretching across the brain,...nections for different functions. By examining the pattern of neural connections, you can predict with a high...zing a multitude of mental tasks with their unique pattern of neural circuitry and also represent a potential...

Scientists discover gene mutation responsible for hereditary neuroendocrine tumor

...ng evidence that hSDH5 is the PGL2 gene. The seven individuals who inherited the mutation from their mothers are unaffected, suggesting an inheritance pattern that is specific to the parent of origin. The researchers also discovered that, as in yeast, the inactivation of hSDH5 dramatically impaired the ac...

Fujitsu PalmSecure Certified Under International Common Criteria Evaluation Assurance Level 2

...'s palm vein pattern, generating a unique biometric template that is matched against pre-registered users' palm vein patterns. This advanced, vascular pattern recognition technology provides a highly reliable type of authentication -- PalmSecure's false acceptance ratio is just 0.00008 percent -- in a form f...

Early-life experience linked to chronic diseases later in life: UBC research

...Department of Medical Genetics and a scientist at the Centre for Molecular Medicine and Therapeutics at the Child & Family Research Institute. This pattern of responses might contribute to the higher rates of infectious, respiratory, and cardiovascular diseases as well as some forms of cancer among people...

A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline

... said William Thies, PhD, Chief Medical & Scientific Officer at the Alzheimer's Association. Dietary Approaches to Stop Hypertension (DASH) Eating pattern May Reduce Age-Related Cognitive Decline The Dietary Approaches to Stop Hypertension (DASH) diet is often recommended by physicians to people with ...

Munich researchers discover new target for tailored antibiotics

...ch team of Professor Groll, Dr. Eppinger, and Dr. Grwert has now succeeded in cracking the closed-state X-ray structure that shows the precise folding pattern of the protein chain and the chemical environment of the active site cavity. The crystal structure opened the door to a detailed examination of the...

Hush little baby... Linking genes, brain and behavior in children

... to a combination of a certain gene and a specific pattern of brain activity. The pattern of brain activity in the frontal cortex of the bra...ronment inside their bodies) and conclude that the pattern of brain activity (that is, greater activation in ...

Parascript Signature Verification Technology Used by Moscow Law Firm to Detect Signature Fraud in $160,000 Debt Collection Case

...R, Colo., June 22 /PRNewswire/ -- Parascript, LLC, the image analysis and pattern recognition technology provider, today announced that it has partnered with...gful information from images. Employing patented digital image analysis and pattern recognition technologies, the Parascript image analysis suite improves deci...

Research shows that 'invisible hand' guides evolution of cooperative turn-taking

...ell in initiating and sustaining this type of cooperation." "But where cooperation involves turn-taking, a 'tit for tat' instinct could sustain the pattern once it was established but could not initiate it in the first place. For example, in a mating pair of penguins who both went foraging or both incubat...

The tiny difference in the genes of bacteria

...ts binding a tandem of six repetitions. Then, the researchers analyzed the tandem repeats marked with dyed fragments: Every bacteria strain differs in pattern and size of the measured tandem repeats. "With this method, we are able to differentiate more then 120 Vibrio parahaemolyticus strains," says Manf...

Study finds role for parasites in evolution of sex

...Some clonal types disappeared entirely. Meanwhile, sexual snail populations remained much more stable over time. This, the authors say, is exactly the pattern predicted by the parasite hypothesis. "The rise and fall of these female-only lineages was surprisingly fast and consistent with the prediction of...

Battle of the sexes benefits offspring, says research

... to share their parental duties." The researchers analysed data published over the last 30 years on parenting in birds to see if there was a common pattern in the behaviour of all the species studied. Dr Harrison said: "In our study we found that if one parent starts slacking off or deserts, its mate w...

A bird's eye view of art

... Shigeru Watanabe from Keio University in Japan, pigeons use both color and pattern cues to judge the paintings' beauty as defined by humans, as well as their ... difficult to distinguish between the paintings, showing that they also use pattern cues to make their beauty judgments. Hiding part of the picture did not aff...

The tiny difference in the genes of bacteria

...ts binding a tandem of six repetitions. Then, the researchers analyzed the tandem repeats marked with dyed fragments: Every bacteria strain differs in pattern and size of the measured tandem repeats. "With this method, we are able to differentiate more then 120 Vibrio parahaemolyticus strains," says Manf...

Gene expression findings a step toward better classification and treatment of juvenile arthritis

...echnology a method by which scientists can determine the relative levels of expression of thousands of different genes at the same time and compare a pattern from one subject with another the researchers looked for differences in the children's blood samples that corresponded with the different forms of JI...

DuoCort: New chronotherapy for adrenal insufficiency

...se profile that mimics the bodys natural secretion pattern of cortisol to improve outcomes for patients. Resu...e administration that mimics the natural secretion pattern of cortisol. The new DuoCort therapy showed no abs...ease into the bloodstream has a particular release pattern or using pumps that deliver medicine at specified ...

Researchers see evidence of memory in the songbird brain

...ther hand, if the system were completely resistant to disturbance, no memory would form, he said. Twenty-four hours after the initial stimulus, the pattern of activated genes was entirely different from that of the initial response, regardless of whether the bird heard the song again on day two or not, Cl...

In the warming West, climate most significant factor in fanning wildfires' flames

...study confirmed what scientists have long observed: that low precipitation and high temperatures dry out fuels and result in significant fire years, a pattern that dominates the northern and mountainous portions of the West. But it also provided new insight on the relationship between climate and fire, such ...

Computers aid in cracking deception in plants

...teraction, but detecting it experimentally is difficult due to the sheer volume of proteins involved. By applying concepts of machine learning and pattern recognition, Korkin will narrow the field of potential protein candidates by identifying protein binding sites in the soybean that match with those in...

Parascript Signature Verification Technology Used by Moscow Law Firm to Detect Signature Fraud in $160,000 Debt Collection Case

...R, Colo., June 22 /PRNewswire/ -- Parascript, LLC, the image analysis and pattern recognition technology provider, today announced that it has partnered with...gful information from images. Employing patented digital image analysis and pattern recognition technologies, the Parascript image analysis suite improves deci...

Geographic profiling applied to track hunting patterns of white sharks in South Africa

... is one of the most fundamental and fascinating interactions in nature, and sharks are some of the fiercest predators on Earth. However, their hunting pattern is difficult to study because it is rarely observed in the wild. As a result, shark predatory behavior has remained much of a mystery. Now, researcher...

Nonstick and laser-safe gold aids laser trapping of biomolecules

... orientation, it wont be active or, worse, it will only partially work, Perkins says. Ideally, scientists want to attach biomolecules in an optimal pattern on an otherwise nonstick surface. Gold posts are easy to lay down in desired patterns at the nanometer scale. Perkins group attached the DNA to the go...

New method separates cancer cells from normal cells

...ds. The researchers designed a channel with "spikes" coming out at 45-degree angles from the walls, alternating on opposite sides of the channel. This pattern funnels cancer cells in one direction while at the same time directing the normal cells in the opposite direction, as those cells "grab" the spikes an...

Broecker: 'What we need are tougher measures against climate change'

...rous books dealing with climate change. At the age of 77, he continues to engage in front-line research. His efforts are currently focused on "how the pattern of global precipitation will change as the planet warms", especially in the world's drylands. This means sifting through the climate records available...

Huntington's disease deciphered

...diminishes the system further. Eventually, the neuron falls below the threshold needed to maintain cell health." Brady's group has also linked this pattern of progressive neurodegeneration -- marked by a loss of signaling between neurons, a slow dying back of neurons, and eventual neuron death -- to damag...
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