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Tag: "account" at biology news

Carnegie Mellon scientists show brain uses optimal code for sound

...this work because we can give a simple theoretical account of the auditory code which predicts how we could optimize signal processing to one day allow for much more efficient data storage on everything from DVDs to iPods," Lewicki said. "For instance, if we could use a cochlear implant to 'talk' to the au...

UCLA imaging study of children with autism finds broken mirror neuron system

...utism. This is exciting because we finally have an account that can explain all core symptoms of this disorder." Conducted at the Semel Institute's Ahmanson-Lovelace Brain Mapping Center, the research used functional magnetic resonance imaging (fMRI) to measure brain activity in 10 high-functioning children...

Hepatitis B accounts for 40 percent of 'missing' Asian women

...on birth sex, Oster concludes that hepatitis B can account for about 45 percent of the "missing women" ?or, more specifically, for as many as 50 percent of the "missing women" in Egypt and West Asia; under 20 percent in Bangladesh, India, Pakistan and Nepal; and around 75 percent of the "missing women" in Ch...

Genes involved in biofilms

...sty2875 of Salmonella typhi . Thus, taking into account the structural homology between Bap and Esp, it was decided to analyse for a possiblerelationship between the presence of the esp gene and the ability to produce biofilm by E. faecalis. The results showed that the presence of the esp gene was involve...

Scientists narrow the time limits for the human and chimpanzee split

...nal approach that they developed, which takes into account more of the variability -- or statistical error--i... been discovered. "No study before has taken into account all of the error involved in estimating time with the molecular-clock method," said Sudhir Kumar, le...

Phenotype is influenced by nature, nurture and noise

...explain the variability that we couldn't otherwise account for." ...

Brain activity related to processing faces is similar in people with, without autism

...ichter said, adding that most such studies did not account for where the participants fixed their gaze during brain scanning. Because individuals with autism typically choose to look away from faces, the previous studies could not disentangle the effects of a preference to look away from faces from actual ...

Researchers quantify more noise in gene expression

...which will be very helpful to researchers eager to account for variations in gene expression as they build rigorous, comprehensive models of this and other types of cells." ...

War on terror meets war on cancer

...and outside the bacterial cells must be taken into account in trying to identify where the bacteria were grown based on the isotopic signature of the water in which they were cultured. Findings Suggest a New Way to Study Eating Disorders "One area where our results could prove very useful is in assessing...

Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see

...to be networked together to perform a function. To account for the tasks carried out in the larger areas, scientists assumed that the function of these columns varied smoothly across the cortex surface. Later research demonstrated that each of the six layers in the cortex is also wired into distinct circuits...

Scientists characterize proteome of human cornea

...luding keratoconus. "Corneal damage and disorders account for several million cases of impaired vision and are second to cataracts as the most important cause of blindness in the world," explains study author Dr. Jan J. Enghild of the University of Aarhus in Denmark. "Corneal infections by bacteria, fungi, ...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

...t become associated with their hosts, and this may account for the rapid rates of protein evolution observed. In addition, protein sequences of the two Blochmannia species exhibited different rates of evolution; divergence rates were approximately two times faster in B. floridanus than in B. pennsylvanicus....

Researcher says flu responders can learn from 1918 epidemic

...ding through coroner's records, Higgins found that account after account repeated the same pattern. "Someone might have gone to work on Monday, developed a headache Monday...

Study hints at role of stem cell genes in testicular, breast cancers

... The researchers focused on seminomas ?tumors that account for 50 percent of the cases of testicular cancer, the most frequent cancer in Caucasian males ages 15-40 -- and breast cancers, as represented by a sample of breast cancer cells grown in the culture dish and tissue from a Stage 3 breast tumor. Previ...

The right drug at the right time

...ve solvent used in quantum dot preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, heat-resistant oils that are used to move heat between processing units at chemical plants - can cost up to seven times less than ODE. Replacing ODE with the heat-transfer f...

Method slashes quantum dot costs by 80 percent

...ve solvent used in quantum dot preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, heat-resistant oils that are used to move heat between processing units at chemical plants - can cost up to seven times less than ODE. Replacing ODE with the heat-transfer f...

Complex gene interactions account for autism risk

...e first evidence that complex genetic interactions account for autism risk. The Duke team found that the brain mechanism that normally stops or slows nerve impulses contributes to the disease. The team's findings implicate the so-called GABA receptor genes, which are genes that code for key components of "o...

U-M scientists say fused genes trigger the development of prostate cancer

...e two possible bases occur in the population. SNPs account for the most common type of variation in DNA seque...or a mother, father and their child -- taking into account that haplotypes of the children are copies of the haplotypes of the parents. As a side effect of ...

California computer scientists double volume of data in NIH biotech repository

...e two possible bases occur in the population. SNPs account for the most common type of variation in DNA seque...or a mother, father and their child -- taking into account that haplotypes of the children are copies of the haplotypes of the parents. As a side effect of ...

New book expands biological classifications to account for 'alien' life

... of life," or biological classification system, to account for a variety of life forms that would not fit in the current system. Among them are viruses, long considered to be non-living bits of protein and nucleic acid but which Ward argues are as alive as the many parasites that infect humans and other org...

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