Discovery of an American salamander where it shouldn't be: Korea
...masse ever in their lives." He noted that numerous plants and animals in Asia and eastern North America shar...e American alligator. About 65 genera of flowering plants in Asia also have close relatives in the eastern U.S. After Karsen found the salamander and was unab...Biologists determine genetic blueprint of social amoeba
...and other organisms. "The cells which gave rise to plants and animals had more types of genes available to them than are presently found in either plants or animals," explains William Loomis, a professor of biology at UCSD and one of the key members of t...Researchers discover new longer-living flower
...ted geraniums and regals for many years. The first plants will become available to flower growers in fall 2005 and to consumers next spring....Killer dinosaurs turned vegetarian
...ientists do not yet know if the creature ate meat, plants or both, says James Kirkland, Utah state paleontol...n. It had leaf-shaped teeth designed for shredding plants rather than the triangular, blade-like serrated teeth of its meat-eating relatives. Its pelvis was b...Employing ecology to predict and manage emerging infectious diseases
..."When trying to unravel the infectious diseases of plants and animals, the macroscope of ecologists can provide just as much information as the microscope of microbiologists, veterinarians, and physicians. Infectious diseases exist within an ecological context." Traditionally, infectious disease has been v...Fungus-farming termites descend from an African rain forest Eve
...tively favourable areas to which most domesticable plants and animals were native. From the homelands of domestication, agriculture has later spread to other regions, including to much more unfavourable areas. This occurred either by the adoption of an agricultural lifestyle by local hunter-gatherers, or, a...High fidelity keeps human DNA assembly line humming
...aid. RNA polymerases are found in bacteria, yeast, plants and humans. The design has endured because of this fidelity mechanism for RNA synthesis. "This is a tried and true design and our study explains why this is an enduring design." The paper, "Dynamic Error Correction and Regulation of Downstream Bubble...DOE JGI announces 2006 Community Sequencing Program portfolio
...nkey flower promises a better understanding of how plants can help remediate soil contaminated with toxic me...enetics, physiology, development, and structure of plants in general and how they respond to disease and environmental stresses; A metagenomic community of ...Evidence of 600-million-year old fungi-algae symbiosis discovered in marine fossils
...-marine deposits about 400 million years old, when plants began to massively colonize the land. But did cyanobacteria or other algae form similar relationships with fungi in the marine environment, perhaps long before the evolution of land plants?" Present-day examples of such relationships in the sea are a...PNAS highlights for the week of May 16 - 20
...insects' gut, making it more lethal. Rice and corn plants with this BtRB fusion gene were shown to be more toxic to a wider range of insects than plants with Bt alone. Corn plants producing low levels of BtRB killed 75% of stem borer larvae, compared wi...Scientists identify genes responsible for 'black rot' disease in vegetables
... total of 16,512 Xcc mutants on individual cabbage plants and, of these, 172 proved to be non-pathogenic. Upon further characterization of the 172 non-pathogenic mutants, the researchers came up with a non-redundant list of 75 genes or non-coding regions that are involved in Xcc pathogenicity. Interestingl...Sugar beet virus mutation requires Texas touch
...owing in Texas are in thelaboratory. But those few plants are getting to the root of problemsthroughout the ...he virus isolate iscultured in test tubes, and the plants are no longer needed. "We're trying to find out why this genetically mutated pathogen is ableto o...Ancient immune defense mechanism is no match for HIV-1
...nse mechanism that was previously observed only in plants and invertebrates. The research also reveals exac...NAi and SRS remains physiologically conserved from plants and invertebrates to higher vertebrate animals," explains Dr. Jeang. "Our finding that Tat is an SR...Marshes tell story of medieval drought, little ice age, and European settlers near NYC
...r species growing along those lines, like tropical plants around the equator, or tundra and northern or bore...00s to late 1800s, the vegetation changed again to plants that favored cooler and wetter climates. The core records revealed increases in spruce and hemlock t...Researchers find gene that may be at root of potato blight
... few cells die. It's one mechanism of defense some plants have." Until now, researchers knew little about P...ted Phytophthora species cause root rot in soybean plants as well as sudden oak death, which is devastating stands of oak trees along California 's coast and ...Alarm pheromone causes aphids to sprout wings
...t leave their host plant when mature. Because some plants can also release (E)--farnesene, they could in theory manipulate aphids into flying away. However, aphids were shown to react mainly to the frequency of pheromone release and not the actual quantity present, possibly to avoid manipulation by plants....Human cells can 'silence' HIV genes
...hat humans use an immune defense process common in plants and invertebrates to battle a virus. The new findi...menon, called RNA silencing, was detected first in plants and later in insects. Although plants and insects lack the sophisticated immune defenses of higher o...Polymer expert writes text about better, inexpensive ways to create plastic
...the world where grinding, purification and coating plants are available. The products are then transported elsewhere. Synthetic fillers, such as fiberglass, are produced by different companies and then coated on site with protective chemicals to prevent abrasion and increase compatibility. Bioactive filler...The evolutionary triumph of flower power
...he first time the whys and wherefores of flowering plants in an evolutionary context. While flowers origina...uch as edible or medicinal flowers, most flowering plants grown in the flower industry today are not used for any purpose other than emotional satisfaction. "...Burnt coal from the age of dinosaurs sheds light on today's global warming
... oceans of oxygen, warms the planet, and kills off plants and animal species. Now, a new theory holds that OAEs in particular the Toarcian OAE, which occurred about 183 million years ago during the age of dinosaurs are triggered by the burning of vast underground coalfields. These coalfields were set a...