National nanotech expert to address UW-Madison conference
...nference. He will discuss his publication's recent report on the state of the industry. Those interested in attending the conference may visit its Web site at http://nano.engr.wisc.edu/bionano/ ....Baby born from sperm frozen for record 21 years
...productive medicine journal Human Reproduction[1], report (Tuesday 25 May) what they believe to be a world ..." said Greg Horne, Senior Embryologist. "This case report provides evidence that long-term freezing can successfully preserve sperm quality and fertility. Thi...Maxygen subsidiary Verdia announces discovery and improvement of glyphosate tolerance gene
...wholly owned subsidiary of DuPont (NYSE: DD). The report details the use of Maxygen's MolecularBreeding TM directed evolution platform to develop enzymes exhibiting glyphosate N-acetyltransferase (GAT) activity that confer glyphosate tolerance to plants. This improvement in enzyme activity may provide an...Discovery in parasite movement may offer insights into malaria
...the host cell, to swim off and find a new cell." A report of the research appeared in the May 10 issue of th...seudopodia and whiplike flagella for movement, the report said. Instead, their movement is through a unique process called gliding motility - a circular and f...Genomic imprinting in disruptive spermatogenesis
...(Lancet 2003; 361: 1975-77), but this is the first report showing imprinting defects in sperm. To investigate whether abnormal genomic imprinting could be associated with disturbed spermatogenesis, Professor Mario Sousa and colleagues extracted sperm DNA from 123 men with low or normal sperm counts. All the...Many scientists believe the dog genome holds information that will benefit human health
...earchers at Fred Hutchinson Cancer Research Center report the first extensive genetic comparison of domestic dog breeds. The study, led by Fred Hutchinson researchers Drs. Elaine Ostrander, Leonid Krugylak and graduate student Heidi Parker, revealed distinct DNA blueprints for each of the 85 varieties of p...Cancer drug resistance research leads to possible therapeutic target for Alzheimer's disease
... new drugs to treat patients with Alzheimer's. The report will appear in advance online publication the of t...that affect drug response and resistance. The new report concerns the human ABCA2 transporter, one of a large family of ATP-binding proteins that transport a...Super-effective 'jumping gene' created
...Nature, M.D./Ph.D. candidate Jeffrey Han and Boeke report that the human jumping gene is relatively lethargic because its instructions are hard for cells to read. By replacing some of the gene's instructions with alternatives cells prefer, the researchers made the first highly active, artificial jumping gen...Gene expression profiling may predict head, neck cancer recurrence
...rrence-free survival during a 16-month period, the report said. One subtype was associated with the worst outcome; this subtype "shows an epidermal growth factor pathway activation signal, and that's potentially important because there are many new drugs in the clinic today that target that pathway," Perou ...Field Museum gives Parker/Gentry Award to Chinese conservationist
...scovered." Last year, The Field Museum published a report on the region's rich biodiversity based on a Rapid Biological Inventory (RBI) conducted by several partners, including the Center for United States-China Arts Exchange at Columbia University and the Southwest Forestry College in Kunming, China, where...New insights on sirtuins, involved in gene expression and aging
...one ages. Now, scientists at The Wistar Institute report new findings that further elucidate how sirtuins work and suggest how scientists might identify or design an activator to boost sirtuin activity using a structure-based approach. The research will be published Tuesday, May 18, in the Proceedings of t......se of the historic U.S. Commission on Ocean Policy report makes strong recommendations to the federal government to increase efforts to explore ocean waters with the expectation that this would lead to the discovery of numerous new drugs, among other benefits. The Center of Excellence was created with $10 m...Biologists uncover genetic links to broad range of human disorders resulting from cilia dysfunctions
...iences, and postdoctoral fellow Tomer Avidor-Reiss report the identification of some 40 genes that play a role in cilia formation, six of which, they discovered, are essential for the assembly of this cell structure. "These six genes are fundamentally and universally important for any cell to build cilia,"...Plant disease under the homeland security microscope
.... "They will access a web-based diagnostic system, report unusual pest occurrences and existing crop conditions or gain other information not normally submitted through other means," Rush said. An advisory system will provide information concerning pest alarms or weather conditions thatcould trigger outbre...Research into cetacean reproduction leads to birth of killer whales by artificial insemination
...olphins--by means of artificial insemination. In a report set for publication in the journal Biology of Reproduction, the team, headed by Dr. Todd R. Robeck, based at SeaWorld San Antonio, notes that their research will allow sperm of killer whales in zoological facilities to be stored by a technique know...Dramatic decline of California native frog linked to introduced trout in mountain lakes
...er things didn't cause a decline as well, but this report shows that most of the problem came from fish." Though anglers might resist efforts to remove trout from Sierra lakes, Vredenburg's preliminary data and the results of an earlier survey of Sierra frog populations were critical pieces of evidence that...Pearly mussels: One of North America's natural jewels is disappearing
...ce paper published this week, a team of scientists report that something troubling has been happening in our nation's freshwaters-- once-abundant pearly mussels are disappearing from the landscape. Written by a team of seven mussel experts, the paper concludes that, "Many pearly mussel populations have a n...Chronic respiratory symptoms prevalent among Alaska natives
...oms were more likely than asymptomatic students to report respiratory-related sleep difficulties and activity limitations. "The reasons for variation in respiratory conditions within the YK delta are not clear," said Dr. Lewis. "There is a well-established, unified health-care system across the region, and...Crop rotation may help wait out soil pathogen deadly to pumpkins
...Illinois, did not become infected, and there is no report indicating that these crops are hosts of P. capsici. The other 11 vegetable crops that, when inoculated with P. capsici, did not develop symptoms of the disease are basil, broccoli, cabbage, cauliflower, celery, chive, dill, kale, kohlrabi, mustard ......mentally safer alternative." According to a market report on the European biolubricant market (Frost and Sullivan, 2000), one litre of mineral-based oil can contaminate one million litres of water. As an added benefit, Alberta's agriculture industry could supply source material to biolubricant manufacturer...