Rapid movements of living biomolecules visualised
...followed. For example, the researcher followed the tips of chromosomes (telomeres) in three dimensions over the course of time. The mobility of populations of molecules was visualised using FRAP (Fluorescence Recovery After Photobleaching). The fluorescent molecules in a small part of the cell are destroy...JCI table of contents, 16 June 2003
...******************************* Enzyme deficiency tips balance towards mutated DNA TITLE: Site-specific somatic mitochondrial DNA point mutations in patients with thymidine phosphorylase deficiency AUTHOR CONTACT: Michio Hirano Columbia University College of Physicians and Surgeons, New York, New York, ...Free shuttles can close the grocery gap
...costs and a host of other basics. It also contains tips on everything from parking to marketing opportunities. Some of our members already utilize shuttles in their businesses and have found them to be successful and profitable, said Peter Larkin, president of the California Grocers Association. This stu...Receptor found that guides nerve cells to their final connecting sites
...rocesses, often over long distances. The growing tips of these nerve cell processes are guided to their ... of growing nerve cells. This binding guides the tips of these nerve cells to their final destination by preventing them from entering the wrong pathway. ...Pheromone receptors need 'escorts'
...pheromone receptor proteins, were localized to the tips of neurons, called dendrites, where chemical reception takes place. Their studies showed that the M10 protein, as well as an "accessory" molecule, beta2-microglobulin, that accompanies such M10 proteins, directly interacted with the pheromone recept...Technological advances making life easier for people with physical and mental challenges
...ne's choice, however, if new technology heedlessly tips people who are blind away from studying Braille reading, it can do more harm than good, said Kent Cullers, the inspiration and real-life man behind the blind physicist character in the 1997 movie, Contact. "A whole generation of blind people is bein...A bed of microneedles: Johns Hopkins scientists' gadget measures muscle cell force
...s." Tan and his colleagues painted the needle tips with fibronectin, a protein that forms part of the natural scaffolding between cells. Each smooth muscle cell spread out on the bed of microneedles and then contracted, displacing the needles. From their experiments, the researchers have already di...Light shed on vision and hearing disorders
... and maintain highly specialized structures at the tips of the sensory cells of the inner ear. It is precisely these structures that are essential for hearing, but which are defective in patients with Usher Syndrome. Batiste Boeda, Aziz El-Amraoui, Amel Bahloul, Richard Goodyear, Laurent Daviet, Stephane ...Bloodworm's way with copper likely provides paradigm for new materials
...r enamel (the biting surface of teeth) and for the tips of serpent fangs. Most other organisms make bioce...s in invertebrate jaws and particularly in the jaw tips are not complicated. They have generally just two types of amino acids, glycine and histidine. The...Research reveals how an acid dissolves, molecule by molecule
...water molecules with the hydrogen-bromide molecule tips the energy balance of the hydrogen-bromide molecule to trigger its eventual dissolution. They also found that the process is complete by the time a fifth water molecule is added to the configuration. The combined energies of the four water molecules...Targeting enzymes that immortalize cancer cells: if you can't turn them off, round them up
...lomerase is always around, replacing lost telomere tips and allowing yeast to divide forever. Though in most human cells telomerase production is turned off, the enzyme is turned on in cells that turn over frequently - blood cells, skin cells and others that line surfaces (epithelial cells), and cancer c...Scientists prove how geckos stick, unlock secrets to making artificial gecko glue
...emistry. In other words, the size and shape of the tips of gecko foot hairs--not what they are made of--de...ew data to fabricate prototype synthetic foot-hair tips from two different materials. "Both artificial setal tips stuck as predicted," notes Autumn, assista...Bacterial control of zebra mussels, low power radio
...lp stop more lakes from being infested, follow the tips listed on Michigan Sea Grant's zebra mussel avoida...oiler Bay State Park, visitors can tune in and get tips on how to spot migrating whales, information about the park's natural history and weather updates. ...Protein complex found to regulate first step in human blood clotting
...preading out. Note the Arp2/3 complex (red) at the tips and bases of the long arms (arrows) and at the outer edge of the spreading platelet. [Images: Elaine Bearer] Since the first cell was observed under a microscope more than 200 years ago, scientists have sought to explain cellular shape change. Cell s...Happy 80th birthday, vitamin E!
...luding a quiz to see how much youre eating now and tips on food choices, visit www.GetYourE.org . And for almond recipes and information, visit www.AlmondsAreIn.com . Happy Birthday, vitamin E!...Labor-inducing folklore alive and well among pregnant women
...r not they believed any of the tips would really work. The study appears in a recent issue of the journal Birth. Schaffir gave each woman a questionnaire listing certain folk beliefs about hastening labor: frequent walking; ......han markers of the passage of time, telomeres, the tips of chromosomes, may harbor answers to the fundamental mechanisms of aging and cancer. Now, in the March 29 issue of Science, Rockefeller University researchers propose how these molecular clocks may ultimately count down the final days of a cell's r...Tether for water channels found: May impact research on brain swelling
... water channel protein, Aquaporin-4 (AQP4), to the tips of brain cells, Syntrophin keeps the openings for .... Usually pressed up to the blood vessel wall, the tips of astrocytes take on water and swell within minutes of a brain injury. AQP4 is quite prevalent in ...... process assures that fingernails grow only on the tips of fingers and two eyes become positioned symmetrically on either side of the nose. Turing suggested that the chemicals responsible for the developmental changes in the embryo, which he dubbed morphogens, were produced and secreted by one group of ce...Researchers at UT Southwestern discover how neurons communicate to 'wire' developing brain
...mmunicate important signals that guide the growing tips of embryonic nerve fibers (the axon growth cone) and, therefore, help form networks of neurons and synapses in the brain in a process called axon pathfinding," Henkemeyer said. "We're trying to define the cellular and biochemical basis of how neurons...