Researchers discover new family of naturally occurring antibiotics
...researchers isolated piscidins from the tissues of hybrid striped bass, an important fish for aquaculture. NC State has applied for two patents on their discoveries. Noga says that the newly discovered compounds might not be used as therapeutics themselves, but would more likely be used as blueprints or tem...Sea Grant researchers isolate new antibiotic from fish
..., the antibiotics were isolated from mast cells in hybrid striped bass. Mast cells are the most common tiss...on. "The new discovery can lead to ways to protect hybrid striped bass and other fish against disease without using traditional antibiotics," said Noga. "This...NSF awards two plant genome grants to University of Minnesota
... To map the genes, corn is crossed with oats. The hybrid plant often rejects all 10 corn chromosomes, but s...tem for future uses." One goal is to achieve 1,000 hybrid plant lines, each essentially an oat plant with a unique fragment of a corn chromosome. Another goal...NSF awards University of Georgia $8.7 million for crop genetics research
...the market and seed production in high performance hybrid varieties would be greatly simplified. Other UGA collaborators for these three grants include: John Bowers, Joann Conner, Marie-Michle Cordonnier-Pratt, Alan Gingle and Daniel Peterson.......er, when one of the copies has a heritable defect, hybrid tetramers form that are composed of mutant and normal subunits. The inclusion of mutated subunits makes the tetramer less stable and causes the four subunits to dissociate under conditions where they are not supposed to. Once the subunits are free, t...Two programs will follow up on Human Genome Project
...o develop modular microscale devices, built from a hybrid integration of state-of-the-art manufacturing methods with key technologies drawing directly from those used to manufacture integrated circuits (computer chips). These Microsystems will detect and analyze how, when and why very small populations of l...University of Cincinnati and Air Force use algal enzyme to create new silicon-based materials
...ay to take advantage of the enzyme to create a new hybrid organic/inorganic nanostructure of silica spheres. Applications for these novel materials include new sensors and specialized goggles for the military, including improved night vision goggles. The specific device described in the Nature paper is a...Cell-cell communication in the flower is unlocked
...re has come up with an efficient system for making hybrid seed, which, when understood at the molecular level, can have applications on a commercial scale. This process, termed self-incompatibility, "prevents inbreeding and promotes out-crossing and variability in plants," says June Nasrallah, Cornell prof...Genes passed from crops to weeds persist for generations
...and herbicides. While the new hybrid weeds may not be as fit at fir... The researchers studied four populations of hybrid and wild radish for six years in Michigan. At the outset, each field ...Genetically engineered poliovirus fights brain tumors
...ma cells." They tested the abilities of this new hybrid virus using mice with experimental brain tumors. The animals recovered after a single dose of the virus. "Pathological analysis of their brains revealed tumors to be eliminated by replicating virus within days," says Gromeier....Sea grant researchers developing new stress test for fish
...nd these types of antibiotics in rainbow trout and hybrid striped bass." "This suggests that monitoring HL...$20.5 million last year, including catfish, trout, hybrid striped bass and shellfish....New technology reduces noxious emissions
...esigns and the catalyst performance; the resulting hybrid system is vastly more efficient than what we started out with, Barlow said. It is also much more rugged and reliable. One surprising result has been the relative ease with which we have been able to move from the laboratory bench to actual engine t......lar logic to dismiss a purported Neanderthal-human hybrid discovered in Portugal as "just a chunky modern kid". And if the Mesmaiskaya cave baby is a modern human, Wolpoff argues, its ancient-looking mitochondrial DNA sequence could simply prove that we all once carried a similar sequence until natural sele...New prime-boost HIV vaccine strategy shows promise in monkeys
...nd causes serious illness in macaque monkeys. The hybrid virus allows researchers to study the reactions of the immune system to the vaccines and the virus. In the study reported today, 23 of 24 vaccinated monkeys suppressed the virus to nearly undetectable levels during the 20-week follow-up. Virus level...Invasive cordgrass in San Francisco Bay
...n Francisco Bay 25 years ago. Ayres has found that hybrid offspring of S. alterniflora and a related native cordgrass, S. foliosa, are rapidly eliminating the native species in large sections of the bay. Ayres will also report that the invasive grass and the hybrids are "ecosystem engineers" capable of modi......versity report a successful demonstration of these hybrid nanodevices - the size of virus particles - powere...l engineering, said their research shows that "the hybrid nanodevices can be assembled, maintained, and repaired using the physiology of life." However, Monte...New species arise more quickly than previously believed, UMass researcher finds
...or, if a beach immigrant does breed, the resulting hybrid offspring will be less likely to survive, Hendry said, because they're less than ideally suited to either environment. This evidence demonstrates for the first time how rapidly adaptation can lead to reproductive isolation, and it is about 10 times f...Gene barrier in corn may boost trade, environment
...s found a molecular barrier that, bred into modern hybrid corn, is capable of completely locking out foreign...d corn, can ruin organic crops or make traditional hybrid corn worthless for export to countries where consumers are wary of the new technology. The new disco...Cattle, human genomes contain many identical genes
...rmatics tools developed at the UI with a radiation hybrid cell panel, a unique resource for gene mapping dev...1,087 genetic markers were placed on the radiation hybrid map, which includes 768 known genes. About 92 percent of all cattle chromosomal DNA is included on ...Northwestern researchers clone gene responsible for inner ear motor
... and atomic structures. "One can envisage creating hybrid structures using this protein in artificial membranes that are part of Nano Electro-Mechanical Systems (NEMS), for instance biological pumps that might be used for drug delivery." Dallos and Madison, however, probably will leave the nanotechnolog...