Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs
...ong, tightly coiled linear DNA, separating newly replicated chromosomes prior to cell division. "This work provides a molecular picture that basically proves the mechanism [by which the enzyme works]," said Dr. Wang. "This in turn has implications in the design of ...Newly Discovered Bacteria Produce Magnetic Material
...ratory (ORNL). Living on hydrogen in mud, these newly discovered bacteria produce tiny particles of magnetic iron oxides, as shown under a scanningelectron microscope. The bacteria were discovered by Tommy Phelps of ORNL's EnvironmentalSciences Division. He worked with samples extracted in 1993...Newly Discovered Gene Halts Cell Division and May Have Cancer Link
... cells from dividing when doing so would leave the newly formed daughter cells without all the chromosomes they need to function properly," says Dr. Robert Benezra, an investigator in the Cell Biology and Genetics Program at Memorial Sloan-Kettering and the study's lead author. MAD2 is the first human gen....... How do mole-rat "scouts" recruit others to their newly discovered food source? That's what Sherman, a pr...uits were confused. Recruitment behaviors to share newly discovered food sources are well known in the animal kingdom, Sherman said, pointing to honey bees, ...Researchers Develop Model Using Birds As Indicator Of Wetlands Health
...umerousmarsh species such as rails and bitterns in newly reconstructedwetlands in the Miami Whitewater Forest. "As soon as the habitatwas available, the birds were there," said Styer. Coleman believes this type of index will be a useful tool toprovide a quick comparison among wetlands as well as a way tom...Optical Microscopy Shines Light On Biology
... of near-field scanning optical microscopy and the newly developed cantilevered probe, researchers can examine individual biological molecules. "It's important to see what single proteins do and map their distribution in a system," he said. "If you can understand that, it can lead to a better understanding...A Sensor, A Switch, A Zipper: Protein Engineers Design Potential Tool
... zipper to join together proteins. The newly designed structure is featured in the cover ...e--a triple helix. After synthesizing this newly designed protein, the scientists used x-ray crystallography to determine its three-d...... as models to study basic population questions.The newly published study provides a statistical analysis of the life spanof more than 400,000 Mediterranean fruit flies. It was conducted by UC Davisstatistics professor Hans-GeorgeMüller and entomology professor JamesCarey and will appear in the March 1...... tankers. Starvation is a major cause of death for newly hatched penguins, the result of dwindling marine food reserves. To feed their families, adult birds are forced to forage great distances from their breeding colonies, says Dee Boersma, professor of zoology at the University of Washington and one of...Newly Identified Tomato Gene Appears Key To Fruit Softening
...y doctoral candidate, who identified andcloned the newly discovered gene. "A major goal for many scientistsin this field has been to find one gene that can be identified as beingthe major player in causing tissue disintegration that occurs in softeningfruit," he explained. Rose works in the laboratory of ...New understanding of crab populations may not bring fishermen's delight
...bs on the U.S. West Coast, the paper is authoredby newly minted UC Davis doctoral recipient Kevin Higgins, UC Davis environmentalstudies chair Alan Hastings, University of Texas computer science graduatestudent Jacob Sarvela, and UC Davis wildlife, fish and conservation biologyprofessor Louis Botsford. Th...First Salmonella Vaccine For Poultry To Be On The Market Soon
...ate the time and cost involved with handling every newly hatched chick."...Progress In Prion Research: Three-Dimensional Structure Of Prion Protein Fully Uncovered
...rsday in the review FEBS Letters indicate that the newly decoded part of theprotein structure might play an...the so-called C-terminal domain PrP(121-231). This newly decoded part ofthe protein structure might play an important role in the conversion of thenormal pri...Gene For Last Major Form Of Batten Disease Discovered
...in Piscataway, New Jersey,located the gene using a newly developed biochemical approach to identify theenzy...to determine the enzyme?s probable function. The newly discovered gene, CLN2, codes for a type of enzyme that has neverbefore been described in humans or o...Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea
... cause gastrointestinal diseases." Dr. Kapikian, newly trained in electron microscopy, used this technique in 1972to discover Norwalk virus, the first virus associatedwith gastroenteritis. "Since then," he notes, "there have been thousands ofpapers about gastrointestinal viruses." Rotavirus was discov...Growth Factor Stimulation Leads To Increase In New Neurons In The Striatum And Cortex Of The Brain
...w neurons both invivo and in tissue culture. These newly generated neurons were found to travelto the olfac...ined for thestriatum and cortex. In order to track newly generated cells, they administeredthe cell proliferation marker BrdU along with the BDNF to label th...Peptic Ulcer Treatment Improves Health, Saves Money
...lly caused by H. pylori bacterial infection. If a newly diagnosed patient tests positive for H. pylori, th...benefits of H. pylori eradication in patients with newly diagnosed peptic ulcer disease are well-documented," says Fendrick, "the benefits in terms of ulcer ...Human Breast Milk Contains Obesity Hormone
... the body. She decided to investigate whether this newly discovered hormone was in breast milk, because lactation is an obviously important physiological transition for many women. Although the researchers found leptin in the milk, at this point they aren't sure what role the hormone plays for mothers ...Are CDC's 1997 Recommendations For Targeted Lead Screening Of Children Justified?
...ildren are not currently being screened, and CDC's newly recommendedapproach will bring about state and local decision making about how to increasescreening of the very children who stand to benefit from the procedure. "Ourgoal at this juncture should not be to screen as many children as possible.Rather, o......e loss of fisheries in San Francisco Bay caused by newly introducedorganisms remind us of the vulnerability of the ocean." The goal of Year of the Ocean is to raise public awareness about theimportance and relevance of the ocean in our lives. It will also be anopportunity for governments, organiz...