SFU Researcher Fools Forest Pest Into 'Barking Up The Wrong Tree'
... any, are better beetle deterrents than others. He divides his time betweenan SFU lab, and the woods near Princeton and Lytton, where there are current bark beetle outbreaks. "We challenge them to find traps baited with various combinations of scents, so there are a lot of confused little beetles out there,"......lity control mechanisms, the M phase -- mitosis -- divides the DNA equallybetween two daughter cells. Some cells, such as skin or blood cells, undergo this cycle regularly. Others,such as muscle cells, can be stimulated to shift from normal, specificfunctioning into cell replication as needed for damage rep...Researchers decode human chromosomes 5, 16, and 19
...ded effort, now an international research project, divides responsibility for sequencing the chromosomes among the participating sequencing centers. Other participants include the U.S. National Institutes of Health and the Wellcome Trust in England which jointly announced in December the completion of the f...Fox Chase Cancer Center molecular biologist named V Foundation Scholar
...an cells, telomeric DNA is lost each time the cell divides due to the repression of a specialized enzyme, telomerase, which is responsible for the replication of telomeric DNA. Thus, telomeres become shorter as we age. In most tumor cells, telomerase is active and telomere length is stabilized. The ...Advanced cell technology reports reversal
...se ends are called telomeres and every time a cell divides some of this tail is used up. We thus eventually run out the aging clock until the cells in our bodies stop dividing. This cellular aging phenomenon is known as the "Hayflick Limit." "This study represents a milestone in our efforts to understand h...Cloning reverses aging in cow cells, Scienceauthors say
...appearing with each tug that happens when the cell divides itself again. Since most mammalian telomeres can't repair themselves, they are usually slowly worn away over time--shorter telomeres are often found in older cells. Scientists spotted this telltale sign of maturity in Dolly. Her chromosomes were shor......ymmetrical cell division -- in which a single cell divides into two daughter cells with different characteristics -- happen? These are fundamental questions, and they are the primary research focus of NYU plant molecular biologist Philip N. Benfey. Benfey works with plants because there is a relatively sm...Heart failure patients with worst heart function are good candidates for pacemakers
...of cells called the A-V node and along atrack that divides into the right and left lower chambers, or ventricles. As the impulse travels downthe right and left branches at the same speed, the muscle contracts, or beats, in a coordinated (nearlysimultaneous) manner. In some heart failure patients, h...A molecular motor's key role in cell birth
...on of new cells by which the mother cell's nucleus divides to provide a duplicate set of genetic instructions to the developing daughter cell in the form of chromosomes. In yeast, mitosis depends upon two systems of fibers within the cell. Actin fibers form tracks that lead from the mother cell and into ...Biotechnology research to grow from embryonic start
...l postembryonic tissues. As the cell develops and divides repeatedly, this potential is briefly retained. Identical twins develop at the stage when the initial egg has divided into two cells, each of which forms a person. Normally, however, the divisions occur repeatedly within the single embryo, and as th......ks cancer. In normal cell division, a mother cell divides into two daughters and the division is regulated until it stops. In a skin melanoma, for example, the cell division inexplicably starts up again and continues unregulated. This study could help cancer researchers understand why the regulation stops. ......s upset, destabilizing the machinery that normally divides the chromosomes evenly between two daughter cells. As a result, each time a cell with an abnormal balance of chromosomes divides, it makes new mistakes in chromosome division, creating a snowball effect that keeps changing cellular properties, partic...Oncogene spawns further mutation in breast cancer study
...es the cells to multiply out of control. As a cell divides it makes a copy of its own DNA, one for each new cell. The faster the reproduction, the more opportunities to introduce error in the system a mutation in a ras gene in this case, said Chodosh. Currently, MYC is one of the genes that researchers...Violence and aggression: University of New Orleans researchers offer provocative insights
...groups, as most of the profession does, he further divides the childhood group into impulsive and callous-unemotional subtypes. "The impulsive group (about two-thirds of the childhood group) acts without thinking," Frick explains. "They feel bad about what they are doing, but they have trouble controlling ...Welch honors Kornberg for insights into DNA transcription
...ation of human life begins with a single cell that divides into two. But how does DNA tell each subsequent cell to become a blood cell, bone cell, tissue cell or some other specialized type? And why does this process sometimes malfunction, leading to birth defects, cancers and other diseases? Thanks in large......ered that an important family of white blood cells divides into separate identities in a much more complicated fashion than current scientific theory has held. Led by Steven L. Reiner, MD, of the Abramson Family Cancer Research Institute at the Cancer Center of the University of Pennsylvania Medical Center, ...From flies to humans-ancient gene may be involved in male infertility
... development, when a cell doubles its DNA and then divides twice, to produce the one share of chromosomes that will merge with the germ cell of the other sex. In merging, the germ cells thus create the full set of DNA of the new organism.) The researchers believe BOULE is the "father" of DAZL, a gene locat...Faculty of 1000 - Highlighting quality scientific research
...ndations and updated continuously, Faculty of 1000 divides the entire field of biology into 16 faculties (or subject areas), each of which is subdivided into approximately 10 sections run by 2-4 scientists of international repute. Users will be able to customize the service to their interests and opt for wee...ESA announces award winners for 2001
...chased by Weyerhaeuser in 1999, the Forest Project divides the forest resource into three zones (timber, habitat and old-growth), each with a unique mix of management objectives and techniques. Relying on input from the scientific, environmental, and corporate communities, the Forest Project Team strives to......used in the experiment (Schizosaccharomyces pombe) divides by splitting into two new cells, each with a copy of the organism's entire genome, in a process very similar to that of human cells. "In human cells, for reasons still largely unknown, some cells ultimately acquire enough genetic mutations to cause ...