Tag: "base" at biology news
Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...k stem borer, the insect enters the plant near the base
and eats its way to the top of the stem where the rice grains form, either killing the plant or greatly reducing its yield. Because the transgenic plants do not produce an insect toxin -- just a proteinase inhibitor that disrupts insects' digestion ...
University of Cincinnati Biologists Find First Terrestrial Ecosystem That Survives Without Sun's Energy
...tudy of Romania's Movile Cave demonstratedthat the base
of the food web is chemoautotrophic. Microbes living deep inside the cave's air bells use theenergy released by oxidizing hydrogen sulfide to provide food forthe cave's numerous and unusual animals. The cave contains 48species, including 33 which ar...
Cooking And Salad Oils Could Lubricate Cars, Boats, Machines
... oils offer Third World countries with a good farm base
a real alternative to importing oil for lubricants." Highly saturated oils make the best lubricants because of their good stability, Duda said. However, highly saturated oils don't have the fluidity needed in cars, boats and...
Salvage Gene Is At The Root Of Many Mutations
...steep price: The arbitrary placement of a cytosine base
may change the genetic code and cause amutation. While individual mutations are seldom serious, "if you get that rare mutation that causes cancer, you're introuble," Nelson says. "There's every reason to believe that mutagenesis in humans will p...
Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
... is known that the pituitary gland, located at the base
of the brain,is essential for the body's resistance to bacteria. But the possibilitythat the pituitary gland may actually receive the message of illness anddirectly issue response orders, offers a new window for research, Kelleysaid. The mission now,...
North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...mpared with only 10 to 40 percent before it.At the base
of the food chain, plants are considered sensitive indicators ofenvironmental devastation. Because ferns reproduce through the use of hardyspores, the plants are regarded as key flora in colonizing the site of anatural disaster. Plants in parts of t...
Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side
...genetic erosion and selectively enrich the genetic base
of crop plants. Results from this research demonstrates that genes in wild rice and other wild relatives of crop plants can do spectacular things. All we're doing is using modern techniques to find those genes and harness them for human food produc...
World's Experts Plan Global Locator Service For Environmental Information
...ow to access it. This initiative will make use of base
standards that are so essential for people to find the environmental data and information they need." The agreement was reached among representatives to the Global Information Society initiative, which was convened at the suggestion of Vice ...
Molecular Imposter Rebuts Long
... molecule that veryclosely mimics the shape of the base
thymine in DNA.This thymine mimic lacks the slight...edcorrectly nearly all the time -- suggesting that base
shapeis more important than hydrogen bonds in ensuring accurate DNAreplication. "Most biochemis...
Duke University Students Devise Devices For The Disabled
...lansto study biomechanics in graduate school. The base
of Daniel's hockey goalie slider was adapted from the heavytrack of a professional Olympic rowing machine that Feldman managed to securefor free from Concept II Rowing Co. in Morrisville, Vt. "Dr. Bohs went to graduate school at Dartmouth with a col...
NIH Team Discovers Endocrine Tumor Gene
... cloning that involved assembling nearly 3 million base
pairs of continuous DNA in small fragments to identify new markers and genes that were candidates for MEN1. Drs. Liotta and Emmert-Buck and colleagues of NCI's laboratory of pathology joined the collaboration to study tumors from MEN1 patients ...
Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
...he sole contaminant, and its source was known. The base
staff were interested and supportive, as were the local state and federal officials, McCarty said. After the site was selected, the researchers gathered aquifer sands containing native bacteria and tested them in the laboratory to determine how the b...
Bacterium gobbles up chlorinated pollutants
...th an eco-industrial park, and a still-functioning base
in Fallon, Nev., where the U.S. Navy's "Top Gun" fighter pilots train. Like many other airbases, the New York and Nevada facilities harbor concentrations of toxins, especially around pits where crash-and-rescue personnel dumped jet fuel for firefigh...
Second Gene Responsible For Tuberous Sclerosis Complex Identified
...one of a variety of abnormalities,including single base
insertions, a larger deletion of 10 to 30 base
pairs ofDNA, or single base
mutations. The type of mutation seen in the TSC1 generesembles those se...
NIH's Genbank Database Logs Billionth Base
... Genome Project: the addition of the one billionth base
to the NIH's GenBank DNA sequence database. This achievement reflects the explosive progress of molecular biology in understanding the genetic blueprint and paving the way for exciting breakthroughs for science and medicine in the 21st century. Sai...
Early Menarche Puts Young Girls In Peril
...ith peril." Sexual liberalism without a feminist base
can have negative consequences for girls, said Brumberg in an invited address to the American Psychological Association in August -- an unusual invitation for a historian. Her analysis on the paradigm shift in girls' self perception from the l9th to...
E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab
...nism. Genes are encodedin the sequence of chemical base
pairs that make up the intertwining strands of DNA... 4,403 genes have been identified in the 4,639,221 base
pairs of DNA sequenced by the Wisconsin team. Of these, one-third are of completely unknown function...
Pea Plant Stem Growth Gene Cloned
... GA1. In the dwarf plants there is a change of one base
in the DNA sequence, which leads to a change of one amino acid in the resulting protein. In turn, this results in an enzyme that is still active in converting GA20 into GA1, but at 1/20th the rate. Therefore, dwarf peas are less efficient at synthe...
Study: Hydrogen Bonds Aren't Key To DNA Pairing After All
...rporate a nucleotide thatclosely resembles the DNA base
thymine but lacks the naturalbase's ability to for... When critics pointed out that adenine is the base
mostcommonly inserted when any template base
is damaged or missing, Kool and his partners turned the...
Geologist Finds Hidden Patterns Of Diversification In Ordovician Radiation
...y. Professor Miller has compiled an extensive data base
ofOrdovician fossils, including information about where they werefound, when they first appeared in the fossil record and the typeof environment in which they were found. When he compared rates of diversification at the local levelwith reported globa...
1 2 3 4 5 6 7 8 9 10