Growing nerve cells in 3-D dramatically affects gene expression
...researchers repeated the experiments but this time produced multiple copies of eight genes specifically linked to cell growth. Those experiments confirmed the differences in gene activity. Hoffman-Kim and her team deployed high-powered microscopes to detect other differences. Cells cultured in 3-D had a rou...Hives ferment a yeasty brew, attract beetle pest
... hives. The researchers found that this yeast only produced IPA when it grew on pollen. Even pollen substitute...f domestic honeybees, small hive beetles and yeast produced IPA leads to combs so messy that the bees eventually decide to abandon the hive, leaving the beetle ...Herpes infection may be symbiotic, help beat back some bacteria
... confer resistance. The protective effect could be produced by two different mouse herpes viruses. "We have a good feel for who the main players are in this protective effect, but we need further research to better understand the exact mechanisms that underlie the process," Virgin says. He suspects that the...Journal details how global warming will affect the world's fisheries
...atical modeling of natural resource systems. It is produced by the Rocky Mountain Mathematics Consortium. "This issue of Natural Resource Modeling is particularly timely as it calls attention to important future changes in global food supplies from marine fish," says Thomas Sherman, executive director of th...Decoding protein structures helps illuminate cause of diabetes
...uman islet amyloid polypeptide), which is normally produced by the same cells that make insulin. An unknown trigger prompts the protein to fold into sharp fibers that poke holes in pancreatic cells, killing them. Though scientists already have a good idea of the healthy "before" and dangerous "after" hIA...Getting to the core of an emergent public health threat
... Hogue and her Biodesign Institute colleagues have produced several insights into coronavirus biology that may also help pinpoint future weaknesses in the viral armament. In a recent paper published in the Journal of Virology (March 2007), "Mouse Hepatitis Coronavirus A59 Nucleocapsid Protein Is a Type I Inte...Tips from the Journals of the American Society for Microbiology
...imized 12-hour PCR method for Salmonella detection produced results comparable to those of the reference culture method with artificially inoculated pork meat and poultry samples," say the researchers. "The main advantage of the method developed is the reduced time of analysis, enabling faster release of Sal...Dinosaur hearing, listening to muscle noise, quieter cubicles
...New York's Hudson River. Details of acoustic noise produced by ship traffic will be presented by Heui-Seol Roh. The measurements may provide a basis for developing systems that can detect underwater threats. Brian Borowsky will present an estimation of the distances at which threats can be detected (2pEA6; c...Simple equations track Listeria trails
...could reproduce every track they saw, except those produced by mutant microbes that Theriot introduced. The mutants stood out as different. They produced a skidding kind of pattern instead of the graceful curves that most of the bacteria traced. "The h...Thale cress goes on the defensive
...ts as well as some pathogens. Although the hormone produced was always the same, there was little overlap in the expression of the genes that are responsive to jasmonic acid. This revealed that the immune response of the plant to a certain pest was also influenced by other signals. This was surprising, as ...Christian Paradis announces $4 million for renewable energies
..., represents one of the largest sources of methane produced by human activity, at nearly 26 percent of total methane production in Canada. The biomethane harvesting project will result in reducing greenhouse gas emissions equivalent to 135,000 tonnes of carbon dioxide per year. The grant, administered by Na...ESA presents the sharpest ever satellite map of Earth
...al satellite. The portraits are the first products produced as part of the ESA-initiated GlobCover project and...lution of 300 metres. The global composites are produced by processing MERIS images together in a standardised way. Thirteen out of 15 MERIS spectral bands a...DNA sieve -- Nanoscale pores can be tiny analysis labs
...ing" a pore in it with a protein (alpha-hemolysin) produced by the Staphyloccoccus aureus bacteria specifically to penetrate cell membranes. Charged molecules (such as single-stranded DNA) are forced one-at-a-time into the nanopore, which is only 1.5 nanometers (the diameter of a human hair is about 10,000 na...New petroleum-degrading bacteria found at Rancho La Brea Tar Pits in Los Angeles
...the asphalt. "In the absence of oxygen, methane is produced by bacteria that use carbon dioxide for respiration instead of oxygen," Crowley explained. He noted that the bacteria are not uniformly distributed in the tar pits. While one reason for their presence could be bacteria rising through the soil via a...Egyptians, not Greeks were true fathers of medicine
...use today, albeit that the active component is now produced synthetically," said Dr Campbell. "Other ingredients endure and acacia is still used in cough remedies while aloes forms a basis to soothe and heal skin conditions." Fellow researcher Dr Ryan Metcalfe is now developing genetic techniques to inves...A few more minutes of maternal attachment may reduce anemia in children
...crosses the placental barrier, but also that it is produced in stressful situations such as during labor," says de Paco Matallana. Thus, high melatonin concentrations in the umbilical cord, together with the arterial and vein differences according to type of birth, suggest that the pineal gland is used by the...Carnegie Mellon's David Sholl identifies new materials
...rted from overseas. "Hydrogen can potentially be produced from domestic resources without emitting carbon dioxide into the atmosphere, which is an attractive vision for a future fuel source," said Sholl, whose research is funded by the Department of Energy and performed in collaboration with Professor Karl ...Cataloging the structural variations in human genetics
...hers, which means that the "reference human genome produced by the Human Genome Project is incomplete. "Were finding new sequence in the human genome that is not in the reference sequence, Eichler says. These structural changes can influence both disease susceptibility and the normal functioning and appear...UC engineering researchers uncover factors that control ion motion in solid electrolytes
...oolchand. "Most people who studied these materials produced them unwittingly in the laboratory ambient environment where the relative humidity is typically 50%, and that leads to samples that are so to speak in a 'wet' state. By special handling of the materials, we were able to produce them in a dry state,...NIH awards VBI, Mayo Clinic $2.4M to study chronic rhinosinusitis
...patients, chemical signals, called cytokines, were produced that indicated damaging inflammatory changes of these cells. Several clinical trials also suggest that nasal washing with anti-fungal agents improve clinical symptoms and inflammation in many CRS patients. These pieces of evidence give us clues that ...