American Andrew Z. Fire shares Nobel Prize for discovering RNAi
... the way by observations by other animal and plant biologists that small amounts of sense RNA could apparently turn genes off. Then the puzzle deepened: graduate student Sam Driver in Mello's lab discovered that just one injection of RNA into a worm's body cavity could inactivate genes throughout the entire ani...Salmon farms kill wild fish, study shows
...n more." The research was conducted by a team of biologists and mathematicians working in coastal British Columbia. "We counted sea lice on more than 14 thousand juvenile salmon migrating past fish farms, and conducted mortality experiments with more than 3,000 fish," said Krkosek. "We then used mathematical ...Cloned mice created from fully differentiated cells, a milestone in cloning research
...cyst with a fertilized embryo, which produces what biologists call a chimera, or by performing another nuclear transfer using the embryonic stem cells derived from these blastocysts, could "cloned" pups be produced. Even so, other researchers have countered these are not bona fide clones because they possess ch...With record resolution and sensitivity, tool images how life organizes in a cell membrane
...s and nanoelectronics. But in the last five years, biologists have become interested in employing it to characterize components of biological samples on a length scale of 100 nanometers or less. ''There's currently no way to do that,'' Boxer said. ''You can't get more multidisciplinary than something like this...Better sludge through metagenomics
...lifestyle. "The genome sequence will also enable biologists and engineers to understand why and how these organisms accumulate phosphorus, and it will lead to major advances in optimizing and controlling the EBPR wastewater treatment process," McMahon said. "In particular, it makes possible further research i...Crickets on Hawaiian Island develop silent wings in response to parasitic attack
...nd mate with them. To test their hypothesis, the biologists performed a field experiment that demonstrated that the flatwings are using the callers as female attractors (for details, see below). "While we were surprised by the extraordinary speed at which the mutation spread, what is more interesting is th...ACS News Service Weekly PressPac -- Sept. 13, 2006
...read of destructive Argentine ants Chemists and biologists at the University of California, Irvine, (UCI) think they may have found a natural way to finally check the spread of environmentally destructive Argentine ants in California and elsewhere in the United States: Spark a family feud. Organic chemist ...Researchers watch seeds in 3-D and discover an unknown air path
... arabidopsis seed. This seed is a model plant for biologists and the first one the genome was sequenced. "This approach is to our knowledge the only imaging technique with the penetration capacity and imaged field size suited for an investigation at sub-micrometer resolution of an optically opaque object the s...Northwestern biologists demote Southeast Asia's 'forest ox'
...urnal of Zoology (London), Northwestern University biologists and a Cambodian conservationist present compelling genetic evidence that the kouprey may never have existed as a wild, natural species. The researchers compared a published DNA sequence from the kouprey with sequences obtained from a true Cambodian...California scientists find natural way to control spread of destructive Argentine ants
...apping hasn't worked, either. But now chemists and biologists at the University of California, Irvine, (UCI) think they may have found a natural way to finally check the spread of environmentally destructive Argentine ants in California and elsewhere in the United States: Spark a family feud. The preliminary ...New tool for biology students teaches biosecurity awareness by example
...ose with malicious intent. It is important that biologists increase their awareness of biosecurity issues and learn to assess their research in terms of modern security concerns. The case studies presented in the modules clearly define the issues associated with "dual use" research and security in the resear...Researchers image molecular motor structural changes
...l "railroad tracks" within the cell. To date, cell biologists had not been able to capture actual images of the structural changes that a molecular motor undergoes as it breaks down adenosine triphosphate (ATP), the source of energy in all cells, into the power necessary to move along the microtubules. "In ord...Protein folding: Building a strong foundation
...modeling and cutting-edge experiments by molecular biologists at Rice University and Baylor College of Medicine suggests that the most stable parts of a protein are also the parts that fold first. The findings appear in the Sept. 13 issue of the journal Structure. Nature refuses to choose between form and f...Field Museum receives $5 million grant from John D. and Catherine T. MacArthur Foundation
...s with international conservation groups and local biologists to record and preserve ecosystems increasingly thr...tananarivo, a pioneering program to train Malagasy biologists in conservation science. A tenacious researcher, Goodman has braved extreme conditions to identify d...Mechanism to organize nervous system conserved in evolution
A study led by University of California, San Diego biologists suggests that, contrary to the prevailing view, th...iplex labeling that Bier, Mizutani and fellow UCSD biologists developed two years ago, Mizutani was able to use different colored fluorescent molecules to determi...NYU biologists identify gene that coordinates two cellular processes
A team of biologists at New York University's Center for Comparative Functional Genomics has uncovered a dual role for the gene mel-28. The gene plays a part in ensuring that chromosomes are divided properly during cell division and it is required for nuclear envelope fu...'Empty nester' parent birds use recruitment calls to extend offspring care
...rming simple playback and feeding experiments, the biologists found that babbler adults use a special "purr" call to recruit inexperienced fledglings to rich, divisible food sources (adults responding to the calls often met with aggression from the caller). The researchers found that fledglings that responded t...ACS News Service Weekly PressPac -- August 30, 2006
...Madison, the journal is an international forum for biologists and chemists working together to understand cellular processes. Published monthly, it provides original research articles and reviews and spotlights current research in chemical biology, profiles of experts in the field and points of view from lea......ture Immunology. Over the past decades, molecular biologists have identified several pathways sequences of molecules which manage the flow of information within the cell responsible for major biological processes. One of these, the "Wingless" pathway, plays a vital role in shaping tissues and organs in devel...Evolution of Old World fruit flies on three continents mirrors climate change
...rom the Mediterranean Sea to Scandinavia. European biologists who studied the insect's genetic makeup more than ... a consumer product and flipping it backwards. The biologists found that the frequency of particular inversions was correlated with the latitude where a given ins...