After a rapid genetic analysis of bacteria collected from Haitian patients, scientists conclude that the strain of cholera currently sweeping through post-earthquake Haiti originated in South Asia.
HHMI has launched an international competition to select up to 35 early career scientists working at academic institutions in 18 countries on five continents.
A study in fruit flies shows that turning back the clock on aging muscles delays aging in the whole animal.
Safe and effective vaccines could complement efforts to treat those already infected with cholera and provide clean water and sanitation to control its spread.
A new study has pinned some of the symptoms of Rett syndrome to a set of neurons that usually work to rein in nerve cell firing in the brain.
New research suggests rising temperatures in the highlands of East Africa are at least partly to blame for the increase in malaria transmission in recent decades.
A previously overlooked group of cells has been shown to be essential in helping adult stem cells multiply and revitalize damaged tissue.
Through an international study of the genome in persons who control HIV without the need for medications, scientists have identified a handful of amino acids that seem to predict a person’s ability to successfully keep the virus in check.
Researchers have shown that radiation-resistance among tumor stem cells can be dramatically lowered by heating them up.
A new analysis of gene duplication across the human genome reveals far more variation in gene copy number than anticipated.
Research in mice suggests that manipulating a single molecule might help eliminate fears that have been etched into memory.
A new study reveals that many pancreatic tumors take nearly 20 years to become lethal after the first genetic perturbations appear, suggesting an opportunity for early diagnosis.
A pair of international research scholars has discovered a deep connection between the circadian clocks of plants and animals.
Dos becarios internacionales de investigación descubren una profunda conexión entre el reloj circadiano de plantas y animales: un gen que está involucrado en la creación de formas alternativas de proteínas relacionadas con el ritmo circadiano.
Susan Lindquist, an HHMI investigator, and Stephen Benkovic, a member of HHMI's Scientific Review Board, are among ten recipients of this year's National Medal of Science.
Cellular clocks throughout the body are precisely synchronized by tiny fluctuations in body temperature.
Laboratory studies of planarians' reproductive cycles suggest new strategies for treating infections that affect hundreds of millions worldwide.
Four HHMI investigators, an HHMI early career scientist, and a senior fellow at Janelia Farm have been elected to the IOM.
The discovery of an odd couple of genes that team up to trigger rare and difficult-to-detect gastrointestinal stromal tumors could eventually lead to better diagnostics and treatments.
Researchers are inching their way toward a new HIV vaccine strategy by studying the cells of people who have naturally strong immune defenses against the virus.
HHMI and the Gordon and Betty Moore Foundation announce a new partnership to support some of the nation's most innovative plant scientists.
Jeffrey Friedman and Douglas Coleman are being honored for discoveries that led to the identification of leptin, a hormone that regulates appetite and body weight.
Mutations that supercharge a cellular garbage disposal may explain why cancer cells can thrive even as their genetic material multiplies out of control.
A targeted search combined with today's rapid DNA sequencing technology leads researchers to a genetic culprit for a rare disease.
Researchers have new details of how an enzyme helps bacteria slice up foreign genetic material.
Most of the clear cell ovarian carcinoma samples examined in a new study carried a gene mutation that alters the epigenetics of cells.
HHMI researchers have found that malaria parasites can produce multiple versions of a protein that causes infected blood cells to grab onto the inner wall of blood vessels.
Multiple jury prizes were awarded in recognition of contributions advancing technology to automate an important but tedious component of neuroscience research.
If Howard Chang has his way, there will soon be an iPhone app for dialing in RNA structures.
A handful of antibiotic-resistant bacteria can protect an entire colony.
A rare skin disease provides the first example of a disease-causing mutation that spontaneously reverts, producing healthy skin.
With the help of yeast and fruit flies, researchers have identified a distorted gene that appears to be among the most common genetic risk factors for amyotrophic laterial sclerosis (ALS), the devastating neurodegenerative disease also known as Lou Gehrig's disease.
Health officials have held off from recommending an inexpensive malaria drug for widespread use because of concerns about drug resistance. New research drawn from 10 years of field and laboratory studies suggests the drug may be a safe and effective way to prevent malaria.
HHMI researchers develop tiny life-support packets for therapeutic cells.
A cooperative online game has attracted 50,000 players whose “distributed thinking” has, in some cases, proven more powerful than computers in predicting the structure of proteins.
A type of prostate cell that has been largely ignored by cancer researchers can trigger malignant prostate cancer.
Janelia Farm researchers show it takes steady hands to measure the brain activity of a fruit fly while it is walking.
HHMI researchers discover that induced pluripotent stem cells retain a genetic memory of their tissue of origin.
A protein that is already the target of experimental drugs that aim to extend life is now known to play a key role in learning and memory.
An ambitious new analysis in mice demonstrates that for more than 1,300 genes active in the brain, there is a significant bias as to which copy is active—the one inherited from the mother or the one that came from the father.
Researchers have identified signaling pathways by which the normal prion protein switches on the general protein synthesis necessary to promote the growth and development of brain cells.
A new imaging method will allow researchers to study speedy cell processes over hours and days rather than seconds, and to examine how morphological defects arise in developing animals.
Five teams will compete in the final round of an international scientific challenge designed to speed development of new computational tools to accurately and automatically reconstruct the shape of brain cells.
Babies delivered via Cesarean section harbor a different ecosystem of bacteria than babies born vaginally.
Jumping genes, thought to have settled down over millions of years of evolution, may be an ongoing source of genetic variation between individuals.
The mucosal immune system is often the first to tangle with microbial invaders. To better understand it, scientists should focus on the interplay between the mucosal immune system and friendly microbes.
Researchers have identified a set of hybrid genes that may accelerate the growth of prostate cancer, gastric cancer, and melanoma.
The prestigious $500,000 Lemelson-MIT Prize honors outstanding mid-career inventors dedicated to improving the world through technological invention and innovation.
A pediatric kidney cancer called Wilms tumor may, with just a few genetic changes, hijack pathways that ordinarily drive development of normal kidney tissue.
HHMI researcher Thomas C. Sudhof shares the 2010 Kavli Prize in Neuroscience with Richard H. Scheller and James E. Rothman.