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Tag: "patterns" at biology news

Scientists fetch useful information from dog genome publications

... called PLPTA . The discovery of highly variable patterns of SINE insertion between individual dogs suggests that SINEs may play a significant role in canine disease and diversity. Sizing up skeletal variation Portuguese Water Dogs (PWDs) were originally derived from two kennels that disagreed on an ...

Dog genome sequenced

... called PLPTA . The discovery of highly variable patterns of SINE insertion between individual dogs suggests that SINEs may play a significant role in canine disease and diversity. Sizing up skeletal variation Portuguese Water Dogs (PWDs) were originally derived from two kennels that disagreed on an ...

New maps reveal true extent of human footprint on Earth

...d other SAGE researchers are tracking the changing patterns of agricultural land use around the world, including a look at related factors such as global crop yields and fertilizer use. Distilling that information into computer-generated maps, the scientists will present their early findings during the fall m...

Scientist measures role of science's coolest player: The snow

...temperatures, cloud cover, atmospheric circulation patterns and soil moisture levels. Aside from his temperature-related projections, Vavrus also made the counterintuitive finding that in the absence of snow, total regions of permafrost-the permanently frozen soil of the cold north-are likely to expand in ar...

Scientists directly view immune cells interacting to avert autoimmunity

...l responses. The ultimate hope here is that seeing patterns of T cell activation may ultimately allow similar imaging to be used for diagnostic purposes," Krummel said. Immunologists have long sought to harness the potent immunosuppressive properties of the regulatory T cells to treat autoimmune diseases and...

Common molecular 'signature' identified in solid tumors

...man cancer, had a hunch that there might be shared patterns of miRNA among certain cancers. Under his direction, researchers looked for miRNA activity, or expression, in 540 samples of lung, breast, stomach, prostate, colon and pancreatic tumors and in the normal tissue surrounding them. Using microarray te...

Infants can organise visual information at just four months

...hat's happening in adults and assume that the same patterns of performance would be observed in children", says Dr Farran. "But often there are quite different patterns. In cognitive development, small differences can cascade over time, so it's very important to get a grip on what's going on at the start and ...

Patterns in genome organization may partially explain how microbial cells work

...ers reported large- and small-scale organizational patterns in the genomes of 135 bacteria ranging from those ... that thrives in boiling hot springs, also exhibit patterns in their genomes that are highly nonrandom. "This high degree of organization of prokaryotic genome...

Sequencing our seas

... microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just part of why it's such an exciting time for all ecologists." The researchers will continue to investigate the significance of these and other findings in more detailed studies. ...

Wyoming cloud seeding experiment begins this month

... microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just part of why it's such an exciting time for all ecologists." The researchers will continue to investigate the significance of these and other findings in more detailed studies. ...

Vaccine provides 100 percent protection against avian flu virus in animal study

... microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just part of why it's such an exciting time for all ecologists." The researchers will continue to investigate the significance of these and other findings in more detailed studies. ...

Newly identified mechanism helps explain why people of African descent are more vulnerable to TB

... of host scavenger cells to recognition of certain patterns of molecules found on pathogens, which has been retained in evolution from fruit flies to humans. A set of receptors on macrophages in humans called Toll-like receptors contribute to innate immune responses. The researchers describe a novel pathway u...

Carnegie Mellon scientists show brain uses optimal code for sound

...r natural sounds, they corresponded exactly to the patterns observed by neurophysiologists in the auditory nerves. "We've found that timing of just a sparse number of spikes actually encodes the whole range of nature sounds, including components of speech such as vowels and consonants, and natural environmen...

MIT chemist discovers secret behind nature's medicines

...tein. The X-rays scatter off the crystal, creating patterns that can be reconstructed as a three-dimensional model for study. Normally, iron-containing enzymes have three amino acids that hold the iron in the active site. In this enzyme, however, one of the typical amino acids was substituted with a much sho...

Powerful new tool for studying brain development

...on. "Our ability to link images of gene expression patterns to information on those genes in other databases i...alled microarray analysis to study gene expression patterns in samples of human brain tumors called ependymomas. By comparing the gene expression patterns in hu...

Alcoholism, smoking and genetics among Plains American Indians

... & Experimental Research , researchers examine patterns of alcohol and tobacco use among Plains American Indians, as well as the influence that a catechol-O-methyltransferase (COMT) functional polymorphism called Val158Met may have on these behaviors. "The shared heritability between smoking and alcohol...

'Uniquely human' component of language found in gregarious birds

Although linguists have argued that certain patterns of language organization are the exclusive provinc...ave discovered the same capacity to recognize such patterns and distinguish between them in Sturnus vulgaris, the common European starling. In the April 27, 20...

Pleasing plant shapes explained by new computer model

...s around a central axis that results in the spiral patterns seen in most plants ?beginning at the molecular-le...spaced intervals. This creates the striking spiral patterns of seeds observed in sunflowers, daisies, and many other plants. Other patterns, such as branching ...

Scientists discover interplay between genes and viruses in tiny ocean plankton

...nditions under which they thrive. These geographic patterns relate to environmental variables such as temperature, predators, light and nutrients. Chisholm is trying to learn how the microbes function as a system in which they have co-evolved with each other, and with the chemistry and physics of the oceans....

Boosting newborns' immune responses

...is team has uncovered in newborns' immune response patterns may serve an evolutionary purpose. Nature may suppress babies' production of inflammatory cytokines like TNF-alpha and IL-12 before birth because they can trigger preterm labor, while increasing production of adenosine and IL-6, which may have a prot...

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