Tag: "spots" at biology news
New DNA repair enzyme makes mistakes to save lives of cells
...L-Q, has the exceptional ability to bypass damaged spots
in the DNA sequence that are caused by a cell's normal wear and tear or other abuses. In addition, it is the only known enzyme that orchestrates not only one, but two steps involved in bypassing common types of DNA damage. POL-Q is one of 15 differe...
National Eye Institute funds search for genetic key to corneal disease
...as Medical School at Houston. "Thiel-Behnke causes spots
of varying shape they can look sort of like a fin... and is accompanied by a sharp, stabbing pain. The spots
can be visually debilitating." The cornea is the curved, transparent layer at the very front of the ...
Health concerns: Mosquito mapping may help
... will allow health officials to target disease hot spots
and determine whether insecticides used for control are working ( http://agnews.tamu.edu/dailynews/stories/ENTO/May2804a.htm ). Information will be contributed and made available to governmental officials, state health officials and universities....
Plant pathologists offer soybean rust identification and management tips
...tan being the most severe. The appearance of brown spots
on soybean leaves is the first sign of infection. When the leaf is turned over, a plant infected with soybean rust will have raised pustules with rust spores inside. As rust severity increases, premature defoliation and early maturation of plants is ...
Citrus shows promise for certain childhood cancer
...our organs," he said. "So, a compound comes in and spots
those cells with the unusual metabolism and kills them by degrading the cells' protein and fragmenting their DNA until the cells succumb. "Apoptosis is beneficial. It's the immunity system in the body that causes the w...
Story tips from the Department of Energy's Oak Ridge National Laboratory, January 2005
...argins and quickly identify the development of hot spots
that could cause catastrophic failure. The new sensors, which combine fiber optics with luminescence technology, feature temperature accuracy to within plus- or minus-half a degree Celsius, humidity accuracy within 1 percent and temperature response ...
Priming embryonic stem cells to fulfill their promise
...ised primarily of just five proteins. They applied spots
of all 32 possible combinations of the five proteins as engineered niches onto the surface of gel-coated slides, and then added mouse embryonic stem cells to the niches. After the cells were allowed to grow, the researchers assayed their progression ...
Wisconsin scientists find portal to show animals evolve
...'s reproductive advantage, so, too, do the colored spots
that decorate the wings of a particular male fruit fly. To the ladies, the spots
- waved frenetically by suitors in the fruit fly courtship ritual - connote sex appeal. To a team...
Weizmann Institute scientists discover how substitutions are made for injured genes
...tics research, have potential stand-ins in various spots
around the genome. Though not identical to the original gene, they make a protein that is sufficiently similar to the one it produces to pass muster. Many scientists believed that both genetic substitutes and the main gene were expressed simultaneous...
NYU and MSKCC research provides model for understanding chemically induced cancer initiation
...ing the effects of methylation at p53 mutation hot spots
on the properties of carcinogen-DNA lesions. Current thinking in the field of chemical carcinogenesis is that the mutation-prone, or error-free processing of such carcinogen-damaged p53 genes by DNA repair proteins and DNA and RNA polymerases can det...
Discovery may lead to better Candidiasis drug
...nown as thrush, a disease characterized by whitish spots
and ulcers on the membranes of the mouth, tongue and throat. It affects primarily people with weakened immune systems caused by antibiotics, chemotherapy or by diseases such as AIDS. Thrush also affects many denture wearers. The condition can be t...
Remote imagery aids in detecting and managing plant disease
...ter U.S. Army pilots reported that cotton root rot spots
were readily visible from the air at high altitudes. These spots
were then photographed by hanging a camera over the side of the aircraft. The stark contrast between...
Sugar beet virus mutation requires Texas touch
...for help. They would see rhizomania in isolated spots
in a few fields, but withina few years, it would spread across entire production areas, Rush said.His team responded by studying the ecological and epidemiological aspectsof the pathogen and disease what could producers do to reduce theincidence and...
Brain may be less plastic than hoped
... that, in adult animals, neurons "filled in" blank spots
in the motor and visual cortex after these areas f...of four monkeys with a laser, creating small blind spots
on the same sides of the field of vision. The retina sends signals that the brain interprets as ligh...
Decoding the logic of olfaction
... type of odorant receptor converge at two specific spots
in the olfactory bulb, such that individual struct... single odorant does not just stimulate one or two spots
in the cortex," said Buck. "Instead it stimulates a very small subset of neurons that are sparsely d...
Study: 'homemade' gene expression technology unreliable
...ne can build up hundreds of thousands of different spots
on this glass array," Spencer said. But as commercial platforms improved over time, many laboratory or "home-built" platforms have not, he said. "The fruits of the research done on some of the early homemade and early commercial platforms have enter...
GINA collaboration to boost response to summer fires
...om space, fire personnel will be able to track hot spots
and fire movement, even under heavy smoke that may ground mapping aircraft. Data from Landsat 5 and MODIS satellites will be available to fire crews and other users in less than 24 hours through the GINA network. Landsat 5 satellite data is now capt...
Macromolecules on surface control mobility in phospholipid bilayers
...earchers then recorded lipid movement at different spots
on the membrane. "The measurement method is somewhat like shining a floodlight at one spot on a dance floor, with couples waltzing in and out of the light," said Granick, who also is a researcher at the Frederick Seitz Materials Research Laboratory a...
Life detection instrument passes key test on road to Mars
... was selected by NASA scientists as one of the key spots
to test instruments destined for Mars, primarily because of its oxidizing, acidic soil, which is similar to the rusty red oxidized iron surface of Mars. Skelley and colleagues Pascale Ehrenfreund, professor of astrochemistry at Leiden University in T...
Woods Hole Research Center plans controlled burn in Amazon rainforest
...erature and humidity will be monitored at multiple spots
in each forest pre- and post- burn, to detect changes in the microclimate of the forest; and soil moisture will be measured at set points in the parcels at regular intervals, to see how the changes in canopy may effect the water available in the soil...
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