Transgenic trees hold promise for pulp and paper industries
...t and accomplished the first successful dual-gene alteration in forestry science. Their results are described in the current issue of the Proceedings of the National Academy of Sciences (PNAS). According to Chiang, the NC State research shows not only a decrease in lignin but also an increase in cellulose in t...Modern blood vessel measurements test belief that magnetic fields can influence blood flow
...which are thought to be intimately involved in the alteration of network flow resistance because they are situated in a position to directly regulate capillary blood flow. Relatively small changes in vessel diameter can influence the network resistance and lead to substantial changes in tissue perfusion. While...Process triggered by some anti-cancer drugs causes tumors in mice, study finds
...er mechanisms, said Jaenisch, adding that the same alteration of cellular chemistry that controls some cancers is now seen to cause cancer in other tissues. At the moment we have two totally opposite results when we look in two different tissues. In the intestines, hypomethylation protects against cancer, and i...Genetic abnormalities found in some ALS patients
...bute to ALS. "They may result in the disruption or alteration of susceptibility genes that haven't been identified yet," Meyer said. "Another possibility could be that an underlying mechanism of ALS that has yet to be determined could promote the development of these chromosomal abnormalities." Meyer said that ...Gene may produce drought-resistant plants
..., removal of the WAX2 gene product causes dramatic alteration in the cuticle membrane, and the plant no longer is able to prevent water loss." Jenks said he believes that when the cuticle membrane structure is changed because of the wax2 malfunction of the WAX2 gene, the protective wax within the cuticle membra...Born under the sun: UV light and the origin of life
...his damage occurs within a gene it can lead to the alteration of that gene, which may cause cancer....'Man's best friend' may be even better
...c response that manifested in bronchoconstriction, alteration of a breathing pattern, increase in bronchial mucociliary clearance, and temporary cardiovascular depression. The researchers believed that, in these dogs, exclusive exposure of the upper respiratory tract to the same ragweed allergen would precipit...Telomere shortening may be early marker of cancer activity
...nnot think of any other specific somatic molecular alteration that occurs this early across such a large number of types of human intra-epithelial neoplasia," said Angelo M. De Marzo, M.D., Ph.D., Associate Professor at the Johns Hopkins University School of Medicine, and lead investigator of the studies. "The...Nation on the verge of 'new era in modern river management'
... up in which groups are pushing for the removal or alteration of dams and dikes and other structural adjustments intended to restore rivers to a more natural, free-flowing condition," said Lowry. "As we enter the 21st century, river management priorities are shifting in ways that recognize the importance of riv...Purdue developing less costly model for studying human disease
...They currently are working to introduce a specific alteration into embryonic stem cells. It takes two generations to produce an adult fish with a specific genetic mutation once the change is made to the original embryo's sperm and eggs. Zebrafish as model animals for genetic research offer a number of advantage......eir knowledge, the first report of smoking-induced alteration of skeletal muscle glycogen synthesis. An important systemic factor in postexercise muscle glycogen recovery is the efficiency with which plasma glucose is delivered to the exercised muscle. Although cigarette smoking has been shown to inhibit nitri......s results from biopterin oxidation, rather than an alteration in biopterin synthesis. Comparison of healthy and diabetic mice revealed that overexpression of GTPCH increases endothelial BH4 synthesis and preserves NO-mediated endothelial function. The data indicate that endothelial BH4 is an important regulator...Genetic differences revealed by SNPS play a role in risk, prevention and outcome for cancer
...to as "snips," they are considered the most common alteration found in our hereditary makeup, far exceeding the better-known genetic miscue, the mutation. Tracking down and isolating SNPs, some believe, is tantamount to locating a holy grail for the study of human disease. Unlocking their mysteries not only wo...Diabetes drug may be new tool in treating breast cancer
... increase in Cyclin D1 may represent a key genetic alteration underlying the transition from normal breast tissue to breast cancer. These findings suggest that drugs that block the effects of Cyclin D1 may be useful in stopping the conversion of normal tissue to malignant tissue. The discoverer of the human Cy...Researchers measure effects of flow regulation and diking on salmon habitat loss
...Island. "Taken individually, diking and flow-cycle alteration would have reduced spring-freshet shallow water ha...ed. To better understand the impacts of hydrologic alteration on salmon populations in the tidal-fluvial environment (the area between the estuary and the river) ...Purdue researchers solve decades-old corn, sorghum problem
...gene similar to Br2 disrupt auxin flow, leading to alteration of the plant's form. "After discovering that p-glycoproteins control hormonal movement in Arabidopsis, we were able to apply that information to demonstrate that the same mechanism underlies a well-described phenomenon in corn," Murphy said. "The kin...Newly identified gene may halt fuzzy, moldy fruit
...n just alter it so there is more or less of it. An alteration of the gene then can control multiple genes further down the pathway," he said. "This way we could increase yield and quality of some plants depending on the conditions and/or diseases that may affect them."...Pack rat middens give unique view on evolution and climate change in past million years
...ith its evolving cousins. However, a major climate alteration about 800,000 years ago dramatically shifted the population balance toward the evolving vole and away from the original vole population. The original vole population still took about 800,000 years to die out, because it lived as recently as 9,500 yea...Articles on life in tropical island streams published in BioScience
...understood, and many of them are affected by human alteration of their physical and biological characteristics. Tropical island watersheds are often influenced by major fluctuations in precipitation and tend to be more "event driven" than temperate stream ecosystems. There is growing recognition of the importan...Major mutations, not many small changes, might lead way to new species
... the spectrum of light they don't see. In another alteration as part of the experiment, M. cardinalis, usually favored by hummingbirds, responded with petals that were dark pink rather than deep red. These flowers appealed equally to hummingbirds and bees. Bradshaw and Schemske say altering just the genetic r...