New robotic microscope helps scientists track cells over time
...f proteins, or other features. "The pieces of the puzzle were out there, it was just a matter of putting them together," said Finkbeiner, referring to the components he used to build the microscope. The microscope was developed to facilitate his studies of Huntington's disease, an inherited neurological d...University of Southern Mississippi's 'safari' targets baby bluefin tuna
...e GCRL," Waller said. He said another piece of the puzzle will come from Dr. Bill Richards of NMFS in Miami. "He is one of the leading experts on tuna larvae. The sizes we are catching are very small and hard to identify, and he will confirm our identifications. We are also providing specimens to other rese...Genomic data viewed on biological pathways with new computer program, GenMAPP
...ermine how we put all the pieces of the biological puzzle together," he said....American Cancer Society funds Space Station scientist who studies how good cells turn bad
...tomic an/or electronic level. It is like working a puzzle backwards. You have a crystal - the completed puzzle -- but you need to learn how the pieces - in this case the molecules - fit together to form the crys...Scientists push back primate origins from 65 million to 85 million years ago
...ve been trying to reconstruct a 1,000-piece jigsaw puzzle using just 50 pieces." New statistical approach fills in fossil record The earliest unequivocal primate fossils date from 55 Mya. Most paleontologists interpret this to mean that primates originated no earlier than 65 Mya. "This view reflects ...Study of vision disorder leads to discovery of new family of ion channels
...d, the future direction was pretty murky. But this puzzle intrigued us. We wondered what was happening here. By studying what was known about Best disease, the scientists concluded that the bestrophin protein might be an ion channel because patients with the disease have abnormal readings on electrooculogr......rom the separate fragments. A second piece of the puzzle the researchers needed was predictions of future climate change for Mexico. For this the researchers made use of general circulation climate model predictions made available by the Intergovernmental Panel on Climate Change (IPCC). They considered two...Megavitamins may help treat many genetic diseases, could tune up everyone's metabolism
...h-dose vitamin therapy, but no one had put all the puzzle pieces together. Pauling even suggested, with little evidence, that much mental illness may be due to deficiencies of some micronutrients, and that brain dysfunction may involve mutations that affect enzyme-cofactor binding. In order to stimulate dis...Scientist probes fossil oddity: Giant redwoods near North Pole
... the puzzle. As for the other major piece of the puzzle -- survival of the trees through extended periods of light and dark -- Jahrens group is working to see if the isotope chemistry of the fossils can help them learn how the metasequoias metabolism compared to those of contemporary plants. Did they fun...Homing in on a receptor for the fifth taste
...ors of the two species. "This last piece of the puzzle is worthy of note," said Zuker. "Changes in the sequence of taste receptors appear to be responsible for some of the difference in tasting behavior between mice and humans." According to Zuker, discovery of the amino acid taste receptor will have ...Scientists prove mature adult cells can be cloned
...he ones creating the clones. This was a difficult puzzle to solve since most adult cells dont have stable genetic markers, which can be tracked from the donor nucleus to the resulting clone. Immune cells called B cells and T cells are an exceptionwhen these cells reach maturity, special genes, called immun...Pheromones control sex discrimination in mice
... detect the difference." The scientists solved the puzzle when they placed the knockout mice in cages with either males or females and found that the knockout mice attempted to mate with either sex. Additional studies showed that the knockout mice emitted the same mating-related ultrasound vocalizations wit...Roll call: Study shows how bacteria signal a quorum
...t. The approach was like assembling a large jigsaw puzzle to determine the picture on one missing piece. LuxP is made of thousands of atoms, but AI2 has only 16. Hughson's postdoctoral research associate Xin Chen used a technique called x-ray crystallography to map out each LuxP atom and found a small pocke...Fish may show how nature diversifies
...track the genetic changes that define a species, a puzzle that until now could not be tested experimentally in vertebrate animals. In the December 20, 2001, issue of the journal Nature , HHMI investigator David M. Kingsley, HHMI associate Catherine L. Peichel and their colleagues at Stanford, the Univer......l processes of each gene can we piece together the puzzle of how DNA determines, for example, the rate of growth, resistance to disease, and many other factors in plants." The plant Arabidopsis and the 2010 Project to understand its genes are important to biologists, the NSF said. "By studying this humble ...Genetic protection against fetal alcohol syndrome?
...e calls the study's findings "one piece in a large puzzle of undefined size, with many missing pieces. The exact factors or genes involved," she said, "are still poorly understood. The individual role of each factor and how they interact with each other requires a great deal of future research." "This is...New view of bacteria-mineral interface to advance bioremediation
...rial populations prefer is a defining piece of the puzzle for researchers developing environmental remediation techniques. If microbes are getting enough energy from specific minerals on the basalt, they may be less available to researchers for bioremediation activities. "Our imaging FTMS can spatially re...Stanford, UCSF researchers home in on key gene in multiple sclerosis progression
...p. "With this finding, a major piece of the puzzle is in place," said Oksenberg, "but there is much more work to be done." Steinman added that in addition to osteopontin, a number of other genes found warrant further examination. "We have identified the titles but haven't yet read the contents," he s...Early critters in microbial mats: Evolution or just a strange environment?
...." This discovery provides a piece for the ongoing puzzle work of understanding how animal life first evolved on Earth.......kthrough known as kin selection, to figure out the puzzle of reproductive altruism," Sherman continues. "It now appears that when opportunities to disperse and breed independently are limited, individuals stay at home. This is how extended families form. By assisting their parents in raising little sibli...