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Birds learn to fly with a little help from their ancestors
It is widely known that birds learn to fly through practice, gradually refining their innate ability into a finely tuned skill. view more (2007-08-15)
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)
Run amok enzyme causes same problems in both humans and fruit flies
An enzyme found at elevated levels in several human cancers has been linked to abnormal tumor growth in fruit flies, a discovery that provides a new model for understanding the link between stem cell biology and cancer, according to researchers at the University of Oregon. view more (2006-12-19)
'Fusion' protein found by Johns Hopkins researchers
Working with fruit flies, scientists at Johns Hopkins have discovered a protein required for two neighboring cells to fuse and become one "super cell." view more (2007-04-11)
Workman Lab characterizes novel regulator of chromosome function
The Stowers Institute's Workman Lab has shed new light on a novel histone acetyltransferase protein complex called ATAC. Acetyltransferases are enzymes that introduce a new acetyl functional group into histone proteins, a process by which all chromosome functions are controlled. view more (2008-03-11)
Different but equal: Settling the dosage compensation debate
Independent research papers from Dr. Peter Becker (Munich, Germany) and Dr. Mitzi Kuroda (Boston, MA) in the October 1 issue of Genes & Development delineate the mechanism of X-chromosome dosage compensation in Drosophila. view more (2005-10-03)
A small leak will sink a great ship
Flowers of higher plants are built in a similar pattern: their outermost whorl is composed of sepals, which protect the young bud, thereafter comes a whorl of often colorful petals attracting insect pollinators, followed by a whorl of stamens with pollen sacks and the innermost whorl holds carpels, which later give rise to the fruit and seeds. view more (2007-06-27)
'Skinny gene' does exist, UT Southwestern researchers find
Researchers at UT Southwestern Medical Center have found that a single gene might control whether or not individuals tend to pile on fat, a discovery that may point to new ways to fight obesity and diabetes. view more (2007-09-05)
Extending the life of fresh cranberries
Cranberries are tart, tiny fruits packed with powerful antioxidants. The small, red berries offer a wide variety of health benefits. Not only are cranberries a healthy, low-calorie snack, but they can also play a significant role in preventing urinary tract infections, reducing the risk of gum disease and much more. view more (2008-09-30)
Researchers Isolate Protein Domain Linked to Tumor Progression
When a promising cancer drug reached clinical trials in the 1990s, researchers were disappointed by the debilitating side effects that limited the trials. The drug inhibited a family of enzymes known as matrix metalloproteinases (MMPs). view more (2009-02-18)
The man from Southampton-he says yes!
23 October 1998 How do farmers know when their tomatoes are perfect and just right for picking? Southampton researchers have harnessed the same technology used to print T-shirts to develop a simple, robust device that can be used in the field to indicate when fruit is ripe. John Atkinson, head of the University of Southampton's Thick Film Unit... view more... (1998-11-17)
University of Sussex biologists estimate the pace of evolution
Scientists at the University of Sussex have provided the key to resolving a 30-year-old controversy in evolutionary biology: what proportion of the differences between similar species came about as a result of natural selection, and how many are just the result of 'random genetic drift'. In a paper in this week's issue of Nature (28 February),... view more... (2002-02-26)
Does hotter mean healthier?
Phytophthora blight, caused by Phytophthora capsici, is a major plant disease that affects many crop species worldwide, including chile peppers in New Mexico. Farmers' observations suggested that Phytophthora capsici caused less damage in pepper crops of the hot pepper varieties than low-heat pepper varieties. view more (2009-02-04)
Newly discovered molecular switch helps decide cell type in early embryo development
Researchers have discovered a central molecular switch in fruit fly embryos that opens new avenues for studying the causes of birth defects and cancer in humans. Writing about their study in the Aug. 12 Developmental Cell, scientists at Cincinnati Children's Hospital Medical Center determined the switch to be a main tuning mechanism for... view more... (2008-08-12)
Fate in fly sensory organ precursor cells could explain human immune disorder
Notch signaling helps determine the fate of a number of different cell types in a variety of organisms, including humans. In an article that appears in the current issue of Nature Cell Biology, researchers at Baylor College of Medicine report that a new finding about the Notch signaling pathway in sensory organ precursor cells in the fruit fly... view more... (2009-06-22)
The story of X -- evolution of a sex chromosome
In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris Bachtrog and her colleagues show that the history of the X chromosome is every bit as interesting as the much-studied, male-determining Y chromosome, and offers important clues to the origins and benefits of sexual... view more... (2009-04-17)
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)
New and improved tomato analyzer
Tomatoes come in a variety of sizes and shapes, making them the perfect subject to test shape-analyzing software. view more (2009-05-04)
Found — the apple gene for red
CSIRO researchers have located the gene that controls the colour of apples - a discovery that may lead to bright new apple varieties. view more (2006-12-04)
Researchers identify proteins involved in new neurodegenerative syndrome
The interplay of two proteins that bind to messenger RNA, a molecule that mediates translation of the information encoded in genes into proteins, triggers the appearance of fragile X-associated tremor/ataxia syndrome (FTAX), a late-life disorder associated with the gene that causes fragile X syndrome in children. view more (2007-08-16)
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