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Mood Lighting: Penn Researchers Determine Role of Serotonin in Modulating Circadian Rhythm
Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases the body's sensitivity to light and that exposure to constant darkness leads to a decrease in serotonin levels in the brain of fruit flies. view more (2005-07-11)
When cells go bad
When a cell's chromosomes lose their ends, the cell usually kills itself to stem the genetic damage. But University of Utah biologists discovered how those cells can evade suicide and start down the path to cancer. view more (2008-10-01)
Discovery suggests why stem cells run through stop signs
Everyone knows that stem cells are controversial. Many people know that stem cells can grow into virtually any cell type found in the body, from a red blood cell to a muscle cell to a brain cell. But no one really knows why stem cells continue to divide and renew themselves long after the point where other cells stop dividing. view more (2005-06-13)
Destruction of fruit bats` habitat could spread disease
New agricultural developments are destroying the habitats of protected fruit bat species in Australia, and could lead to the spread of deadly viral diseases to humans and farm animals, medical experts heard today (Friday 11 January 2002) during a joint meeting of the European Societies of Clinical and Veterinary Virology and the Society for... view more... (2001-12-21)
A reduced arousal threshold in Drosophila mutants prevents them from staying asleep
Most short-sleeping mutant phenotypes in Drosophila (a genus of small flies) are characterized by an inability to stay asleep, most likely because of a reduced arousal threshold, according to a study published in the April 1 issue of the journal SLEEP. view more (2008-04-01)
Scientists Identify Key Roadblock to Gene Expression
A team of scientists has provided, for the first time, a detailed map of how the building blocks of chromosomes, the cellular structures that contain genes, are organized in the fruit fly Drosophila melanogaster. view more (2008-05-09)
New research: Fruit juice consumption not related to overweight in children
Despite studies that assert otherwise, 100% fruit juice consumption is not related to overweight in children, according to the authors of "A Review of the Relationship Between 100% Fruit Juice Consumption and Weight in Children and Adolescents" in the May/June issue of the American Journal of Lifestyle Medicine (AJLM), published by SAGE. view more (2008-05-23)
UCSD Study Shows Junk DNA Has Evolutionary Importance
Genetic material derisively called "junk" DNA because it does not contain the instructions for protein-coding genes and appears to have little or no function is actually critically important to an organism's evolutionary survival, according to a study conducted by a biologist at UCSD. view more (2005-10-20)
Massive project reveals shortcomings of modern genome analysis
The sequencing and comparison of 12 fruit fly genomes -- the result of a massive collaboration of hundreds of scientists from more than 100 institutions in 16 countries -- has thrust forward researchers' understanding of fruit flies, a popular animal model in science. view more (2007-11-08)
Simple reason helps males evolve more quickly
he observation that males evolve more quickly than females has been around since 19th century biologist Charles Darwin noted the majesty of a peacock's tail feather in comparison with the plainness of the peahen's. view more (2007-11-15)
Weizmann Institute scientists discover a key player in embryonic muscle development
Muscle fibers are large cells that contain many nuclei. They begin, like all animal cells, as naive embryonic cells. These cells differentiate, producing intermediate cells called myoblasts that are now destined to become muscle. view more (2007-04-12)
Courtship pattern shaped by emergence of a new gene in fruit flies
When a young gene known as sphinx is inactivated in the common fruit fly, it leads to increased male-male courtship, scientists report in the May 27, 2008, issue of the Proceedings of the National Academy of Sciences. view more (2008-05-27)
CSHL study finds short- and long-term memories require same gene but in different circuits
Why is it that you can instantly recall your own phone number but have to struggle with your mental Rolodex to remember a new number you heard a few moments ago? view more (2009-08-18)
3-D fruit fly images to benefit brain research
The fragile head and brain of a fly are not easy things to examine but MRC scientists have figured out how to make it a little simpler. And they hope their research will shed light on human disease. view more (2007-09-05)
Can't compete on dung? Try mating on apple pomace
In the mating world of yellow dung flies, large, brawny males almost always get the girl. However, a new study suggests that smaller males rule if presented with an opportunity to woo females when they are not hanging out on cow dung. view more (2009-06-25)
Scientists pinpoint protein link to fat storage
A protein found present in all cells in the body could help scientists better understand how we store fat. view more (2009-09-18)
Genetically modified eggplants (aubergines) shown to be 30% more productive
Research, published in the online journal, BMC Biotechnology shows how researchers in Italy have used genetically modified eggplants made by the introduction of a gene that increases the level of the plant hormone indole acetic acid (IAA) to produce seedless fruits. Furthermore, these genetically modified eggplants are 30-35% more productive than... view more... (2002-04-26)
Old flies can become young moms
Female flies can turn back the biological clock and extend their lifespan at the same time, University of Southern California biologists report. view more (2008-11-25)
Brain region linked to fly slumber
Researchers at Northwestern University have pinpointed a brain area in flies that is crucial to sleep, raising interesting speculation over the purpose of sleep and its possible link with learning and memory. view more (2006-06-08)
Suppressing cancer with a master control gene
Starting with the tiny fruit fly and then moving into mice and humans, researchers at VIB and K. U. Leuven show that expression of the same gene suppresses cancer in all three organisms. view more (2009-02-23)
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