A new plant-bacterial symbiotic mechanism promising
...s of Bradyrhizobium, ORS278 and BTAi1, in order to find out their genetic make-up and identify the genes involved in this rather special form of symbiosis. These bacteria were found to have no nod genes, usually essential for nodulation. Bradyrhizobium consequently appeared to use mechanisms that involved...Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer
...who these patients are is no easy task. To help find ways of pinpointing individuals who might respond best to neoadjuvant treatment, John Vincent Reynolds and colleagues followed the progress of 243 patients who were treated with chemotherapy and radiation before surgery over 5 years. They paid partic......d John Mittler, from the University of Washington, find that IM is expected to be successful beyond three ...ses resistant to the maintenance regime. They also find the counter-intuitive result that for induction regimens of limited duration the optimal time to ini...One man's junk may be a genomic treasure
...ss and longevity. The scientists were surprised to find that SINE B2 sequence is critical to formation of ...ularly in the area of gene therapy. Scientists may find that transferring encoding genes into a patient, without also transferring the surrounding genomic s...Researchers witness natural selection at work in dramatic comeback of male butterflies
...un faster and faster at the top of a hill, only to find that they remain in the same place. "In essence, organisms must evolve or change to stay in the same place, whether it's a predator-prey relationship, or a parasite-host interaction," said Charlat. "In the case of H. bolina, we're witnessing an evo...Cells take risks with their identities
...iver cells and white blood cells. We expected to find the landmark on 30 to 40 percent of the genes because thats how many are active in each cell, Guenther says. We were shocked when it showed up on more than 75 percent of the genes in both unspecialized embryonic stem cells and specialized adult cells...CU researchers discover evidence of very recent human adaptation
...les as possible, and when all is said and done, we find that as much as 10 percent of the genome may have been affected by one of these bouts of recent selection." Previous studies at Cornell and elsewhere have searched for signs of selection -- the divergence of genes from a common ancestor millions of y...Sour taste make you pucker? It may be in your genes
...who inherited a high sensitivity to sour taste may find foods containing lemons or vinegar off-putting, whereas the same foods may be better accepted by a person whose genes make them less sensitive. Wise comments, These taste perceptions presumably evolved because they have a significant impact on food...New use for a cell toxin found to inhibit survival proteins in cancer cells
...he assays his lab developed to cast a wider net to find additional compounds that have similar properties to 2-Methoxy antimycin, Hockenbery said. This strategy has already yielded one additional Bcl-xL inhibitor with "gain of function" activity, reported in the Molecular Cancer Therapeutics paper. Fundin...A stepwise retreat: How immune cells catch pathogens
...possible molecular mechanism underlying them could find applications in nanotechnology, says Alexander Rohrbach a former member of Stelzers group who is now a professor at the University of Freiburg. Future synthetic nano-machines must integrate themselves into a system and have to react flexibly to chang...A first-principles model of early evolution
...a replication, and organism deaths. The authors find that survival of the population is possible only after a Big Bang when a very small number of advantageous protein structures is suddenly discovered and exponential growth of the population ensues. The subsequent evolution of the Protein Universe occ...Biodesign Institute leads innovative project to prevent cancer
...s in genomics, proteomics and immunology, wants to find a number of common signatures that occur across a ...linicians being hired to support the project. To find common elements in breast cancer and other tumors, the research team will use patient and normal sam...MIT, BU team builds viruses to combat harmful 'biofilms'
.... Plus, people don't want to dig through sewage to find these phages, says Lu. So Collins and Lu defined a modular system that allows engineers to design phages to target specific biofilms. As a proof of concept, they used their strategy to engineer T7, an Escherichia coli-specific phage, to express di...It don't mean a thing if it ain't got that (modern) swing
...ot some 1979 relic. And territorial males simply find the golden oldie much less threatening. Duke University graduate student Elizabeth Derryberry played two versions of the white-crowned sparrow song to the birds as part of her thesis research and found that a 1979 recording didn't inspire them nea...U-M, Israeli scientists report major advance in search for genes associated with colon cancer
...many scientists are turning to the same chapter to find important clues to colorectal cancer. He and his colleagues plan to continue their effort to zero in on the genetic variations involved in cancer. While there is not yet a screening test for the genetic variation that was pinpointed in the study, ...A gene that protects from kidney disease
...re occur which affect normal kidney function. To find out if GLIS2 has the same effect in humans Friedhe...idate drug target and our mouse model will help us find many others....Highlights from the July 2007 Journal of the American Dietetic Association
...ion contains articles and research studies you may find of interest. Below is a summary of some of this months articles. Children Prefer Large Portions of Some Foods Given the choice, Canadian fifth-graders prefer larger portions of snacks and fast foods and smaller portions of vegetables than the rec...UF scientists work to develop simple bladder cancer test
...s even surface. With any cancer, the earlier you find it the better because its not as aggressive in its early stages, and of course its much easier to remove any cancer anywhere in the body if you catch it while its relatively small, said Steve Goodison, an associate professor of surgery at the UF Coll...Chickens also orient themselves by the Earth's magnetic field
...has to go back very far in evolutionary history to find a common ancestor for chickens and robins, this ability must have developed before the birds began to migrate. Accordingly it seems that the magnetic sense of direction was already used by primitive bird-forms to move efficiently in their environment......w and alder. These correspond to the landscapes we find in Eastern Canada and in the Swedish forests today. The trees provide a backdrop from which we can also ascertain the climate since each species has its own temperature requirements. The yew trees reveal that the temperature during the winter could n...