Munching microbes could cleanse arsenic-contaminated groundwater
... in solution. If the sulfate-reducing bacteria run out of sulfate, methanogenic bacteria take over as the dominant metabolic force, Kirk said. Because methanogenic bacteria don't produce sulfide, there is no precipitation pathway for the arsenic, which then accumulates to high levels in the groundwater....Genetically endowed worm may substitute for rodents in some toxicology testing
...ock the function of the gene. "To knock out one mouse gene can cost $100,000 to do a genetics ...ops of bacteria. Robots also measure out chemicals at various levels of dilution and place those in the wells. Meanwhile, another machine, ca...Academics work to help stressed-out cats
...ittle exercise, use an indoor litter box, don't go out much and eat a dry food diet. "This condition is p...actor in the development FIC, and will be carrying out further studies to see how best this and other stress factors can be overcome." Dr Gunn-Moore recom...Novartis receives European marketing authorization for Emselex(R)
... 97 clinical trials with Emselex have been carried out involving more than 10,500 subjects and patients, of whom 7,146 were treated with darifenacin. Across a range of pivotal endpoints, Emselex has been shown to significantly improve all other key symptoms of OAB, including the number of times patients ...New Italian research links migraine and endometriosis
...15% suffered from migraine. Although we can't rule out recall bias, the women with endometriosis reported a lower age at onset than the controls. But, our results did indicate that migraine severity was similar in women with and without endometriosis and was not related to the severity of the endometrios...Common household fragrances may be harming aquatic wildlife, study finds
...er, that's embedded in the cell membrane and pumps out toxins that get into the cell." For the experiment...ign. It's a smoking gun. Are there other chemicals out there that have similar long-term effects? Could these be harming these defense systems in aquatic o...Fly gut's 'sticky spot' for leishmaniasis parasite
...lude. As Stephen Beverley and Deborah Dobson point out in an accompanying article, leishmaniasis is a common opportunistic infection in people with AIDS and has also been a recent concern for foreign soldiers serving in Iraq....ASU gets grant to develop high speed DNA sequence reader
...t of the machinery of a human cell, which can read out the entire genome and make an exact complimentary ...to 20,000 human genes on a glass slide and to read out all of their sequences simultaneously, greatly speeding up the process and dramatically lowering the...Research to explore revolutionary gene sequencing: Threading the molecular needle
...le," Lindsay notes. "You could take a piece of DNA out of a cancer cell and get its coding sequence, and take the DNA out of an adjacent normal cell and ask what its sequence is for comparison. "You can do...VYTORIN (TM) superior again to Lipitor at lowering LDL (bad) cholesterol
...ormal in the pooled Lipitor group (1.2 percent, 11 out of 939 patients) compared with the pooled group of patients who took VYTORIN (0.1 percent, 1 out of 933 patients) (p Post-hoc analysis of C Reactive Protein (CRP) reduction showed VYTORIN achieved ...'Broken' gene reveals evolution of salt retention and possible ties to hypertension
...s was narrowed to 18 East Asian populations spread out over 51 degrees of latitude. The researchers found one other gene, for a hormone called angiotensin (AGT), that followed a similar distribution pattern with different versions that correlated with distance from the equator. AGT is also involved in s...New AAAS report cites 'serious concerns' with electronic voting
...t the electoral system's integrity. While pointing out that problems can arise with any form of casting votes, the panelists noted that new touch-screen computer technology has come under sustained attack because most such systems leave no paper trail to verify the final count. An interim report was rele...Actin muscles in on DNA transcription
... into messages made of RNA." These messages travel out to the cytoplasm, where they serve as templates for building proteins, including actin itself. "If actin is blocked, transcription can't begin," de Lanerolle said. The finding is published in the current issue of Nature Cell Biology and follows an ea...Stress impairs thinking via mania-linked enzyme
...g to Manji, who says side effects will likely rule out tamoxifen itself as a practical treatment for mani...rough a cascade of events. The enzyme then travels out to the cell membrane, opening ion channels that heighten the cell's excitability, and stoking protei...Gimli gobblers Mercury scientists to conduct unique human experiment next week
...o test this tea theory the researchers are rolling out the dinner plates and rolling up their sleeves. At COMERN's annual general meeting next week in Gimli, Manitoba, 60 mercury researchers will participate in a unique experiment. For three days, half the experimental group will eat two meals a day of l...Sick kids researchers unmask the potential of stem cells found in adult skin
...se stem cells are actually embryonic cells that go out into the skin during development and then stay in reservoirs in hair follicles," said Dr. Freda Miller, the study's principal investigator, a senior scientist in Development Biology in the Sick Kids Research Institute and a professor of Molecular and...Ethical paradigm: Relating embryonic stem cell use to organ donation
...he arguments defined by Landry and Zucker are laid out with historical background both on the history of organ donation and in vitro fertilization. The commentary offers a potential path for both sides of the embryonic stem cell argument to follow to common ground in the discussion for determining an et...Gene linked to enlargement of the factory where proteins are processed
...rane, the envelope pops open, ejecting the protein out of the cell. "By linking chaperone production to the synthesis of phosphatidylcholine, XBP1 coordinates the processes of building and equipping new ER to increase the cell's capacity for folding and shipping proteins," said Suzanne Jackowski, Ph.D., ...Bristol scientists find key to unlock body's own cancer defence
...ul factor. Dr Bates, said: "Now that we have found out that this protein works in living tissues, we need...to take this forward in the next few years to work out how to treat patients with cancer, eye disease and other conditions where this protein is important.......ection is "when you chop a cubic meter of sediment out of a river bank, for instance," Barbour Wood said. "The larger the sample, or more samples you collect, the more likely you are going to get all of the preservable organisms that lived in an area in a particular time period." For her research, she us...