Insects' survival, mating decrease with age in wild, researchers discover
...ndidate Russell Bonduriansky. "Our study of antler flies shows these animals do age in the wild." Bondurian...onary ecology group at U of T, studied male antler flies to see if there was aging - a term used to denote a deterioration of the body's vital functions, not...UT Southwestern scientist helps identify gene that may lead to treatments for sleep disorders
...ers University have learned through studying fruit flies (Drosophila melanogaster) that the gene slimb is a...humans, fruit flies, mice and other species. Fruit flies have long been used as a model organism to uncover the molecular basis of the circadian clock. Resea...Influences of sex on gene expression discussed at annual conference
...e genetic regulation of sex determination in fruit flies and nematodes as well as the contributions of genes on the X and Y chromosomes to brain development in birds and rodents. Discussion on sex and gene expression in the immune system included the effect of fetal cells remaining in maternal circulation...Scientists identify gene that controls sex drive in male flies
...ecreased male courtship behavior. Adult male fruit flies exhibit a series of well-characterized courtship b...Dr. Mattox and colleagues observed that adult male flies in which takeout is mutated maintained the ability to perform these behaviors, but did so less often...Drug averts Parkinson's disease in fruit flies, suggesting new approach for humans
...ed the onset of neurodegenerative disease in fruit flies by administering medication to flies genetically predisposed to a disorder akin to Parkinson's disease. The result suggests a new appro...Study helps explain gene silencing in the developing embryo
...ts role in silencing Hox in organisms ranging from flies to mammals, including humans. "We know that if something is wrong with the Polycomb group, if these genes are mutated and cannot silence Hox, then development becomes abnormal." Writing in the Nov 1 issue of Science, Zhang and co-authors from UNC; So...Experimental 'gene switch' increases lifespan with no ill effects
... have since been shown to affect lifespan in fruit flies and mice, and therefore are likely to control lifespan in humans as well. The gene also affects reproduction, but the new research shows that the gene acts at different stages in the lifecycle to control reproduction and lifespan, so the two effects ...New screening method may speed hunt for disease-causing genes
...e is complete. But this is a daunting task: Fruit flies have about 14,000 genes; people have about 30,000 ...model for Wayne and McIntyre's study. Female fruit flies have varying numbers of ovarioles -- ovary chambers through which eggs pass. The number of ovarioles...New screening technique may speed hunt for genes
...ero in on target genes in animals such as mice and flies often studied as models for people because of thei...t of these genes. The numbers are daunting. Fruit flies have around 14,000 identified genes, while people are estimated to have at least 30,000 genes. So, w...Study backs theory that accumulating mutations of 'quiet' genes foster aging
...uctive success of 100 different genotypes of fruit flies (Drosophila melanogaster) across various age group...ity of Chicago, Hughes and colleagues raised fruit flies to test the effect of delayed mutations. The new study found that the deleterious effects of mutatio......s been largely conserved throughout evolution from flies to mammals. Both fly and mammalian cells contain ...n. Dr. Nagata and colleagues generated strains of flies deficient in ICAD, DNase II, or both ICAD and DNase II in order to determine the relative contributi...Not all mammals vomit -- or how to study emesis in mice
...c circuitries with creatures as different as fruit flies or puffer fish. This might not come as much of a surprise to physiologists who have long used animals to learn about basic mechanisms in organ function that are shared across vertebrates or mammals, but the extent of overlap is still impressive to mo...JCI table of contents: October 1, 2002
...c circuitries with creatures as different as fruit flies or puffer fish. This might not come as much of a surprise to physiologists who have long used animals to learn about basic mechanisms in organ function that are shared across vertebrates or mammals, but the extent of overlap is still impressive to mo...Key sensory proteins unveiled in mosquito genome found by Illinois entomologist
...o each insect may account for the ability of fruit flies to detect rotten fruit and for mosquitoes to detect vertebrate hosts such as humans."...Pesticide resistance warning after gene discovery
... the discovery of a single gene that gives vinegar flies resistance to a wide range of pesticides, including the banned DDT. Scientists are worried as this single mutation unexpectedly provides the fly (Drosophila melanogaster) with resistance to a range of commonly available, but chemically unrelated, pes...Biologists new experiment may vindicate Darwin
..., assistant professor of biology, is running fruit flies through a series of tests to see if a few, subtle ...e way it might happen in nature. If we can get the flies to start exhibiting changes with these tests, then it's very likely that it can happen easily in nat...UCLA science profs awarded $1 million Howard Hughes Medical Institute grants
...on cycle makes it easy to produce large numbers of flies very quickly. However, not all of its gene functions are known. Banerjee's undergraduate students will create mutant flies, removing one gene at a time in the developing eye or the blood. They will do this for a large number of genes. Students will l...Advances in 'micro' RNA exploring process of life
... normal cell in complex organisms, such as plants, flies and humans, has a complete copy of the DNA for the entire organism, some 15,000 to 35,000 genes that collectively are thought of as the genetic blueprint for life. But to serve as certain types of cells, such as brain in humans or roots in plants, on...One gene, two important proteins
...protein encoded within the only STAT gene locus in flies - but by showing that it has an important inhibitory action on the original STAT protein and its various roles in developmental events. Moreover, this particular finding marks a first in the field of STAT research. "Though an increasing number of ot......ongevity in more than 200 male Mediterranean fruit flies found that nearly all of the flies in their study went through such an upside-down period, usually late in life. During this phase, the...