How roots control plant shoots
...only seven weeks from seed to seed, and fertilizes itself so mutant strains can be maintained as seeds. Most plants are believed to have genes similar to those in thale cress, which is related to broccoli, cauliflower, Brussels sprouts, cabbage and mustard. Scientists already knew that a variety of hormon...Protein energy profiles offer clues about amyloids
...y protein has a characteristic shape, and it folds itself into that shape very soon -- generally in less tha...ctions that take place when a single protein folds itself into its characteristic shape. Despite this mystery and complexity, Clementi and colleagues believe ...Society for Psychophysiology Research
...ildren may modify not only the antisocial behavior itself but even the way the brain processes frustrating information. EFFECTS OF COCAINE ON ATTENTION SWITCHING WITHIN AND BETWEEN VERBAL AND VISUOSPATIAL WORKING MEMORY Andrea Kbler, University of Tbingen, Germany Kevin, Murphy Trinity College Dublin, ...Study describes basic mechanism in cell growth control involving damaged DNA
...one major way to regulate its own activity, to rid itself of proteins no longer needed, including the tumor suppressor protein p53," said Xiong. This protein stops the cell from growing or kills it, he added. "If the cell is growing happily, it would not want p53 around. So it places ubiquitin on it, slatin...Technique for genetically modifying blood stem cells brings cure for blood diseases closer
...required more than one gamma-globin gene to insert itself into the cell; red cells derived from transduced H...chance that one of them would inadvertently insert itself into the middle of a normal gene on a chromosome and disrupt it. "When it comes to avoiding disr...Time-lapse movies show brain cells move like a two-stroke engine
...ays a role in organizing the cytoskeleton. This in itself was an interesting discovery. "The centrosome has a large number of proteins that make up its structure. Most other known proteins in the centrosome are structural," says Hatten. "mPar6 is the first signaling protein found there." Watching the cells ...Biomedical engineers at case develop first sliver-sized sensor to monitor glucose levels
...ce worn by the person for data processing. Sensing itself does not require a battery, or the collection of blood samples, and needs very little energy if a watchlike signal processor is used. With no wires across the skin, there is no deterioration of the skin surface or other areas inside the skin and no d...ASPB opposes proposed ban of GMOs in Humboldt county ballot measure M
... not a complex protein. This flawed definition in itself may make the proposed ordinance unenforceable. A review of the scientific literature shows that genetically engineered foods are safe to eat. For example, the National Research Council and Institute of Medicine of the National Academi...Gene-altered mouse is model for rare autoimmune syndrome
... up to 0.6 percent of the population. It manifests itself in middle age, mostly in women. "Most patients do not see a physician unless it becomes very serious or other problems arise, such as fatigue, arthritis, or inflammation of the lungs, kidneys or blood vessels," he said. Treatment for the disorder ...OHSU study: Bacterial switching mechanism key to survival
...stem that requires a protein known as HPr. HPr can itself be phosphorylated in two ways, with one form binding the CCR master regulatory protein, CcpA, and allowing them to then bind a large number of specific DNA sites on the bacterial chromosome. Such binding, in turn, redirects the metabolic program of t...NIH funds new bioinformatics resources at UT Southwestern
... both what is happening as the microbe establishes itself in the body and as the body attempts to fight it off. Understanding the interface between the infectious agent and the immune response will allow researchers to define potential drug and vaccine targets. The ImmPort system focuses on immune-system di...Retinal stem cells can regenerate after transplant
...enetics involved in disease," says Coles. "The eye itself is telling the stem cells what to do, so when we go to a disease model, it is important to know what those signals from the eye are so we can inhibit them or protect the cells." The other researchers involved in this study are U of T's Prof. Roderick...IC-medtech licenses promising cancer therapeutic from Summa Health System
... self-destruction in which the cell literally cuts itself into small pieces. This discovery was the first of its kind and to this point, cells were considered to die only by apoptosis (programmed cell death) or necrosis (toxic cell death or injury.)" According to Tom Miller, CEO of IC-MedTech, his...Gene therapy approach reverses diabetic neuropathy in animal model, Pitt study finds
...ctor to support its highly safe design. The vector itself is highly defective and incapable of reproducing itself," noted Dr. Goss. "Most of us have been exposed to herpes simplex virus and we need to be concerned that in a patient with wild type virus there is no possibility of our vector recombining with ...Actin muscles in on DNA transcription
...A polymerase II, the enzyme that will later detach itself from the complex and proceed on down the DNA string, stitching together the RNA message. "We were looking for a motor, but we found something completely different," de Lanerolle said. He suspects that actin does act as a motor once RNA polymerase II ...Stress impairs thinking via mania-linked enzyme
...o says side effects will likely rule out tamoxifen itself as a practical treatment for mania. "While there are likely other pathways involved, PKC appears to be very important for bipolar disorder," he noted. The fact that the current anti-manic drugs ultimately reduce PKC activity suggests that PKC may be...Crucial evolutionary link points to origins of modern cells
...need," Rout adds. "Thus, the eukaryotic cell freed itself from relying on only a cell wall for many of its membrane-associated functions, and allowed the cell to develop a host of intricate new internal processes." Scientists believe the emergence of organelles, compartments in the eukaryotic cell's c...Look at past sea-level rise points to troubling future
...posit that sand on the leeward side, so the island itself remains a stable barrier, even though it marches slowly toward shore." Anderson's research has found that rising seas can overwhelm fragile coastal structures like barrier islands and river delta headlands, the vast wetlands that are deposited by riv...UCLA scientists uncork fountain of youth for HIV-fighting cells
... the AIDS patient's exhausted immune system defend itself against HIV. The researchers extracted immune cells from the blood of HIV-infected persons and tested what would happen if telomerase remained permanently switched on in the cell. "By exploiting telomerase's growth influence on telomeres, we though......o arrived at Hopkins in September 2003. "The probe itself shows that Epac changes shape when it's activated, which had not been directly observed. And while some scientists had suggested cyclic AMP could get into the mitochondria, our studies are the first to show that it's there." Stimulating cyclic ...