Decoding protein structures helps illuminate cause of diabetes
...t drives the transition, says UW-Madison chemistry professor Martin Zanni, who led the new study. In trying to understand diabetes, "people have been looking at the fibers, but they should be looking at their formation," he says. "Somehow that mechanism is causing holes [in pancreas cells], which cause dis...Better health twice as likely for nonsmokers who live and work with smoking restrictions
...serves Donna Shelley, MD, Mailman School assistant professor of clinical Sociomedical Sciences, director of the Tobacco Cessation Program, and co- investigator of the research with principal investigator Marianne Fahs, PhD, Hunter College. Smoking restrictions have a dual goal, to protect the health of non...Iowa State scientists demonstrate first use of nanotechnology to enter plant cells
...ature Nanotechnology. The scientists are Kan Wang, professor of agronomy and director of the Center for Plant T...nsformation, Plant Sciences Institute; Victor Lin, professor of chemistry and senior scientist, U.S. Department of Energy’s Ames Laboratory; Brian Trewyn, assist...Study warns deep-sea mining may pose serious threat to fragile marine ecosystems
...try," says lead author Jochen Halfar, an assistant professor of earth sciences at U of T Mississauga. "Imposing regulations after operations begin would prove very difficult, and some of the governments in the jurisdictions targeted by this industry have a poor record of mining oversight. The prospects for reg...Genome of yellow fever/dengue fever mosquito sequenced
...borne.ibphs.vt.edu ), Zhijian (Jake) Tu, associate professor in the Department of Biochemistry ( www.biochem.vt...ructure and size. Also, Jinsong Zhu, assistant professor of biochemistry at Virginia Tech, who was a senior researcher at the University of California, River...Latent memory of cells comes to life
...e some of its dormant capacities?says Kim Sneppen, professor in Biophysics at the Niels Bohr Institute, University of Copenhagen . The environment controls the DNA The DNA coils itself around protein complexes called nucleosomes. Importantly, nucleosomes can carry various chemical modifications that eit...Growing nerve cells in 3-D dramatically affects gene expression
...example, grow faster. Hoffman-Kim, an assistant professor of medical science and engineering at Brown, wants to find a way to repair damaged nerve tissue. To get there, she needs to grow nerve cells that will flourish when placed inside the body. So Hoffman-Kim put 2-D and 3-D cell culture methods to a comp...Left-right wiring determined by neural communication in the embryonic worm
...ral associate Chiou-Fen Chuang -- now an assistant professor at Cincinnati Children's Research Foundation -- found that the first step of left-right communication is carried out by a gene that makes gap junctions. And yet strangely, as far as worm researchers knew, no gap junctions existed anywhere on adult wo...Study of protein folds offers insight into metabolic evolution
...structure evolves, not how organisms evolve," said professor of crop sciences Gustavo Caetano-Anollés, principa...tten by graduate student Hee Shin Kim and emeritus professor of cell and developmental biology Jay E. Mittenthal. "We are using the techniques of phylogenetic an...Cornell lab confirms deadly fish virus spreading to new species
...mic proportions, according to Paul Bowser, Cornell professor of aquatic animal medicine in the College of Veterinary Medicine. The viral hemorrhagic septicemia virus (VHSV), which causes anemia and hemorrhaging in fish, has now been identified in 19 species and poses a potential threat to New York’s $1.2 billi...Fast and slow -- How the spinal cord controls the speed of movement
...d in a spinal cord," said Joseph Fetcho, a Cornell professor of neurobiology and behavior and an author of the study. "Now that we know the pattern, we can begin to ask how that changes in disease states." David McLean, Cornell postdoctoral researcher in Fetcho’s laboratory, was the first person to discover ...Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants
...tural Resources, as well as Ron Mittler, associate professor of Biochemistry and Molecular Biology, has determi...art of a collaborative effort led by Joanne Chory, professor and director of the Plant Biology Laboratory at the Salk Institute for Biological Studies in La Joll...Individuals and populations differ in gene activity levels, not just genes
... Washington, and was led by Joshua Akey, assistant professor of genome sciences, and John Storey, associate professor of genome sciences and of biostatistics. Their findings appear in the March issue of the American Jo...Deconstructing brain wiring, one neuron at a time
...tudy's senior author, Edward M. Callaway, Ph.D., a professor in the Systems Neurobiology Laboratories. "It will offer us an unprecedented view of the brain." The problem neuroscientists are confronted with "is akin to a computer user who tries to figure out how the machine's electronic chip works by looking...UCLA study uncovers clues for why Graves' disease attacks the eyes
...ed Dr. Raymond Douglas, first author and assistant professor of ophthalmology at the Jules Stein Eye Institute....lls," said principal investigator Dr. Terry Smith, professor of medicine at the David Geffen School of Medicine and chief of molecular medicine at Harbor-UCLA Me...Fish extinctions alter critical nutrients in water, study shows
...s," said co-author Alex Flecker, Cornell associate professor of ecology and evolutionary biology, who served as McIntyre's adviser. "But we have to be aware that there is a whole set of assumptions that goes into simulating species loss." For example, it is unknown whether surviving species can truly compens...Corals that can fight global warming may one day help fragile reefs
...their survival, according to Drew Harvell, Cornell professor of ecology and evolutionary biology. However, she noted in presenting a paper at the annual meeting of the American Association for the Advancement of Science in San Francisco, Feb. 18, Caribbean gorgonian sea fan corals show surprising warm-weather...Leeches ferry infection among newts
...fel and his Penn State colleagues Peter J. Hudson, professor of biology, and James R. Dillard, then an undergraduate student and now with the Pennsylvania Department of Environmental Protection, conducted a survey of 16 red-spotted newt populations in lakes and ponds near Centre County, Pa. They found the dis...Genome sequencing reveals key to viable ethanol production
...reak down a particular biomass," says David H. Wu, professor in the Department of Chemical Engineering at the University of Rochester. "Once we know how a bacterium targets a particular type of biomass, we should be able to boost that process to draw ethanol from biomass far more efficiently that we can today.......is, of the gregarious strain of mouse. Lahvis is a professor of surgery in the UW School of Medicine and Public Health and the senior author of the new study. Performing under the dim glow of red lights to simulate the nocturnal environment when mice are most active, the sociability of test mice was assesse...