Researchers discover how worms' noses sense oxygen
... campuses of the University of California have now discovered how the nematode C. elegans senses oxygen levels i...h in oxygen. In the process, the researchers also discovered that the worm doesn't like as much fresh air as people thought. While nematodes grown in laboratory ...Experiment station researcher looking for missing links in corn
...tial amino acids." In the early 1960s, scientists discovered a "mutant" maize that contained protein with nearl...al protein is normally measured. But it was later discovered by incorporating the "Opaque-2" mutation to corn, it yielded less grain. It also had a higher moistu...Tracing a killer's path in Lou Gehrig's disease
...aches their mitochondria. Brown and his colleagues discovered that, in both mouse and human spinal cord neurons, mutant SOD1 specifically links itself to a key mitochondrial protein, called Bcl-2, that normally suppresses the apoptotic machinery of cells. Bcl-2 is also important in maintaining the function of t...Wistar-discovered antibody will help diagnose appendicitis
...ly, is based on a monoclonal antibody called SSEA1 discovered at The Wistar Institute. Developed further by Palatin Technologies Inc., located in Cranbury, NJ, with assistance from Thomas Jefferson University, also in Philadelphia, NeutroSpec will be marketed by Mallinckrodt Imaging, a St. Louis-based unit of T...RICE gets $1.1m from DOD to study neurofibromatosis
...gene called "pushover" that Stern's research group discovered about five years ago. Pushover -- which draws its name from the fact that flies without the gene are easy to knock over -- creates a growth-regulating protein called Push. Stern's group is trying to learn more about how Push interacts with PKA and ot......and the University of California at Riverside have discovered a dramatic increase in human longevity that took place during the early Upper Paleolithic Period, around 30,000 B.C. In their study of more than 750 fossils to be published July 5 in the Proceedings of the National Academy of Sciences , anthropolog...Study finds plant enzyme function changes with location in cell
...nt of Energy's Brookhaven National Laboratory have discovered another factor that can change several plant enzym... cells to determine the functions of several newly discovered Arabidopsis desaturases, Heilmann and Shanklin noticed that one of the enzymes appeared to operate d...JCI table of contents, 1 July 2004
...ers, in investigating the expression of this gene, discovered it had an unexpected expression pattern. Most of the time, both copies of FLI1 are expressed in cells, but in the early stages of megakaryocytes development, there is a brief period where only one copy of the gene is expressed. This transient single-...Severe depression associated with greater number of nerve cells in thalamus region of brain
...volved with emotional regulation. Researchers also discovered that this portion of the thalamus is physically larger than normal in people with MDD. Located in the center of the brain, the thalamus is involved with many different brain functions, including relaying information from other parts of the brain to t...Cancer gene MYC emerging as key research target
PHILADELPHIA--First discovered twenty years ago, the cancer gene MYC is the most overexpressed oncogene in human cancers. But only in recent years have scientists begun to unravel MYC's complex workings in an effort to develop therapies that would block MYC's function in cancer. T...ORNL adds three R&D 100s to DOE lab-leading total
... of solid rocket propellant, is increasingly being discovered in soil and water. The chemical disrupts function of the human thyroid gland, which regulates metabolism in adults and physical development in children. The system created by ORNL uses a process known as selective ion exchange, which is the preferre...How DNA repair machinery is a 'Two-Way Street'
...Biochemists at Duke University Medical Center have discovered key components that enable the cell's DNA repair machinery to adeptly launch its action in either direction along a DNA strand to strip out faulty DNA. Such flexibility exemplifies the power of the repair machinery, which guards cells against mutatio......ars ago Bokoch and his Scripps Research colleagues discovered that Rac is one of the master regulators of cell m...steering wheels and "feet" on the gas pedals. They discovered that Rac is spatially and temporally regulated during leading-edge extension and tail contraction du...UNC scientists discover molecular pathway leading to nerve growth and regeneration
...e University of North Carolina at Chapel Hill have discovered key steps involved in regulating nerve growth and regeneration that may have implications for spinal cord research. The new research, published in the June 24 issue of the journal Neuron, for the first time describes how nerve growth factor (NGF) sti...The first domesticated donkey was born in Africa
...igins of the domesticated donkey. The authors have discovered by using genetic analysis that the domesticated do...ild ass (E.a.somaliensis) The scientists have also discovered the number of domestication events that took place. The study of the domestic populations places th...Earliest evidence of hereditary genetic disorder discovered by Hebrew University researchers
...from prehistoric ancestors and which are yet to be discovered in fossil remains. Amelogenesis imperfecta is a hereditary disorder that manifests itself in tooth enamel that is abnormal in structure, low in mineral content and hence subject to rapid wear and chipping. The Hebrew University researchers confi...Mice with hyperactive Wnt10b gene eat all they want, but have half the body fat of normal mice
...ose tissue from normal mice." Longo and MacDougald discovered that Wnt10b had a different effect on the two types of fat found in normal mice. White fat is a storage reservoir for excess energy. Brown fat is a specialized form of adipose tissue, found in small mammals and human newborns, which generates heat to...Natural selection at work in genetic variation to taste
...al Institutes of Health and the University of Utah discovered the PTC gene and found that it comes in two major ...chiatry. The ability to taste or not taste PTC was discovered in 1930. An American chemist named Arthur Fox accidentally let loose a quantity of PTC in a laborato...Finding the hole in the defenses of cavity-creating microbes
...he University of Rochester Medical Center who have discovered a chink in the armor that bacteria use to survive ...sistant to acid. The same gene had previously been discovered in a similar bug that causes a type of virulent pneumonia, in research by a group led by Charles Roc......tists, working with the fruit fly as a model, have discovered how odors are encoded by the olfactory system into the complex messages that are sent to the brain. The study, published in the June 25 issue of Cell, provides new insight into how animals sense and distinguish odors, a process that is essential to ...