Plants Thrive With Insect-Induced Immune Responses
...ed off at the base of the leaf stem or petiole and another groupwhose plants received neither caterpillar nor clipping damage. Naturally occurring plant-eating insects were plucked from the plants in allgroups so that only the test group plants received feeding-induced signals totrigger an immune response --...Researchers Take Major Step Toward Cracking Ebola Code
...rgenetics to insert this protein on the surface of another virus---a mouseretrovirus---which carried a reporter gene (a gene that encodes a protein whoseactivity can be readily measured in the laboratory) to identify infected cells. Researchers had hypothesized that the secreted form of glycoprotein (sGP) mi...Phase Out Planned For One Of Top Five U.S. Pesticides, Plant Doctors Respond
...the U.S. is applied to soils prior to planting,and another 11% is used on commodities to control pests afterharvest. Without the good work agricultural scientists, like plantpathologists, are putting into finding and implementing alternativepest control tools, the loss of methyl bromide could have a fargreat...Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
... The discovery of rapping highlights the role of another hormone,estrogen, produced by females. Estrogen circulating in sexually receptivefemales acts on the neurons that control their mating song to strengthen theconnection between neurons and vocal muscles, the scientists have found. "Theeffect resembl...Hormone Control Of Rare Leukemia Sheds Light On Molecular Basis Of Cancer
...e retinoic acid receptor (RAR) onchromosome 17. In another 4 percent of the cases, the protein is a fusionbetween the RAR and a gene for a protein of unknown function called PLZF. "The involvement of the retinoic acid receptor in both forms of APL iskey to understanding the complex genetics of t......Sivan, who conducted the research with Erez Braun, another physicist, andchemist Yoav Eichen. Wires are the foundation of any circuit because they link circuitcomponents to each other and to the outside world. The Technion team constructedtheir prototype nanowire between two gold electrodes separated...Lactose-Intolerant People Should Drink More Milk, Expert Says
...n give subjects a glass of milk with breakfast and another with dinner and they exhibit almost no symptoms. "Further, we just completed a study at Purdue last summer with a group of African-American adolescent girls who were part of a calcium diet study. On the first day of the study many complained about ha...Leftover Fetal Cells May Affect Development Of Scleroderma
...f NIAID'sautoimmunity section, "because they offer another potential explanation, inaddition to sex hormones, for the higher incidence of autoimmune diseases inwomen. While these data are not definitive, they are provocative because oftheir implications." Scleroderma, or systemic sclerosis, affects people ...Common Infection Linked To High Blood Pressure
...ibodies had a four-times-higher risk for suffering another heart attack orneeding treatment to restore blood flow to the heart than did survivors with nodetectable antibodies in their blood. Cook says his study was designed to determine whether the bacterium wasassociated with severe high blood pres...Candidate Regulator Of The Temporal Component Of Neurotransmitter Release Identified
...naptic communication. In addition, they provide another glimpse at the way cells recruit proteins that have long been used in evolution into the highly specialized machinery of neurotransmitter release....Researcher Identifies Two New Violet Species In Central America
...wering shrubs or trees don't happen often, whichis another reason we're excited about this work," Ballard said. The research, reported in a recent issue of the journal Novon, wasco-authored by Mark Allen Wetter of the University of Wisconsin-Madison, andNelson Zamora of the Instituto Nacional de Biod...Study Shows: Just Say NO To Bone Loss
...r adding antibody, biochemical tests revealed that another free radical,superoxide, was elevated, and, following the burst of superoxide production,there was an increase in NO. This was followed by decreases in bone resorptionand production of acid phosphatase, an enzyme produced by osteoclasts that helpsde...Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
... Oneway we reduce food-borne illnesses is to add another spice to the recipe. Of course that makes the food taste different, and thepeople who learn to like the new taste are healthier for it." For biology student Billing, the spice research for a senior honors thesis tookher to an unfamiliar field, food...New Dating Technique May Revise Geologic Time Scale
...he ups and downs of sea level," saysPatrick Smith, another investigator from the department of physics at U of T."Each grain is a different clock." This new knowledge has applications in the oil exploration industrysince the sea level conditions for forming glaucony are similar to thoserequired for t...Allergies To Rubber Affect 12.5 Percent Of Health Care Workers
...allergicreactions to proteins from the gloves, but another 10 percent are "sensitized"to the proteins: they have special antibodies linked to allergies and specificfor the rubber proteins, but no allergy symptoms yet. "They have produced IgE antibodies, and when these antibodiesre-encounter rubber pr...Heart and Soul: The Blood Vessels And Brain Use Common Guide
...e brain areas,causing the affected axon to veer in another direction. This finding turns VEGF from a growth factor thought until now to actonly on endothelial cells into one that may have a broader range of action, saysKlagsbrun. For one, his group found that breast and prostate cancer cells makelarg...Mouse Gene Reveals Clues To Human Deafness
..., namedDFNA15. It was located on chromosome 5 near another gene for inherited deafnessidentified by King and Lynch in an extended Costa Rican family only a few monthsearlier (reported in the Nov. 14, 1997 issue of Science). Avraham contacted theUW geneticists, and the groups began working together. T...New Gene Therapy Technique Results In 60 Percent Tumor Regression Rate
...eren't dividing. The high levelof gene expression, another benefit to the T7 system, is due to its design,Wagner says. While other gene therapy techniques use only DNA genetic material,the T7 method uses DNA prebound with T7 RNA polymerase -- a protein that causesthe gene to begin producing RNA immediately, ...Soy Protein With Phytoestrogens Inhibit Atherosclerosis Progression As Well As Premarin
...lso had a beneficial effect ontriglycerides and on another cholesterol component, apolipoprotein A1. The LDL+VLDL cholesterol was the only cholesterol factor that wassignificantly associated with a change in the size of the atheroscleroticplaque, accounting for about 20 percent of the variability. ......School, New YorkCity. "It's also in agreement with another trend in heart attack riskmanagement, namely, the concept of global risk assessment." Triglycerides are the form in which fat exists in meats, cheese, fish,nuts, vegetable oils, and the greasy layer on the surface of soup stocks or in apan i...