Anthrax bacterium's deadly secrets probed
... soil-growing bacterium. It has the ability to lie dormant in soil for, in some cases, hundreds of years and then to cause a rapid, often fatal, illness when ingested by a suitable animal host. Bioterrorists have exploited this ability to deadly effect. Dr. Anil Wipat, Professor Colin Harwood, Tracy Cradd...Genetic analysis finds greater threat in frog-killing fungus
...rted by animals, including humans or birds, or lay dormant in an infected area until a new host comes along." Biologists are still determining exactly how this fungus, first identified in 1998, kills the amphibians it infects, but most believe that the pathogen disrupts the frogs' ability to absorb water t...... Bacillus anthracis can quickly transform from a dormant spore (the white powder sent to U.S. lawmakers and... of vulnerability when the bacteria transform from dormant spores into active, growing organisms. That chance exists for a few hours when the invaders are insi...Cells take risks with their identities
...cell hides the genes it doesnt need by coiling the dormant DNA tightly around protein spools called histones. The new study, however, suggests that DNA packaging stays loose at the beginning of many inactive genes, contrary to textbook models. Whitehead postdoctoral researchers Matthew Guenther and Stuart ...Staphylococcus aureus hides out in cells
...and transport shut down, putting the bacteria in a dormant state. Simultaneously, production of toxins potentially lethal for the epithelial cells becomes strictly controlled to limit cellular damage. Mechanisms that helped the bacteria to survive and/or multiply, including metabolic and energy production fu...Researchers track how spores break out of dormant state
...if. -- Tapping into the unknown world of awakening dormant bacterial spores, researchers have revealed throug...ents that result in the formation of metabolically dormant spores. They can remain dormant for extended periods and, partly because of their tough spore coat, ...Dietary vitamin B6, B12 and folate, may decrease pancreatic cancer risk among lean people
...me research in animals suggests that if there is a dormant tumor, folate and other similar vitamins may stimulate growth. That might be especially true if a person did not take in enough of these nutrients consistently through diet, and then suddenly started taking multivitamins in an effort to become healt...For many insects, winter survival is in the genes
...y genes were turned on only during the flesh fly's dormant state. The researchers extracted and compared RNA from both dormant and non-dormant fly pupae the developmental stage between larva and adulthood. They used a laborato...Genome of Clostridium botulinum reveals the background to world's deadliest toxin
...ng resistance to antibiotics. It lives either as a dormant spore or as a scavenger of decaying animal materia...bility to hibernate when times are hard by forming dormant spores. More than 110 of its set of almost 3700 genes are used to control spore formation and ger...Botulism bug has few genome wrinkles
...ng resistance to antibiotics. It lives either as a dormant spore or as a scavenger of decaying animal materia...bility to hibernate when times are hard by forming dormant spores. More than 110 of its set of almost 3700 genes are used to control spore formation and ger...Latent memory of cells comes to life
...e and thereby cause a cell to activate some of its dormant capacities says Kim Sneppen, professor in Biophysi...ese changes can be that a latent capacity that was dormant comes to life, or, conversely, that a previously active capacity shuts down. Same inheritance di...'Insulator' helps silence genes in dormant herpes virus
...ce genes that would cause it to replicate. In this dormant state, only a tiny fragment of the virus genome a single gene called the Latency-Associated Transcript gene (LAT) remains active. Scientists have long puzzled over the mechanism used to keep this small region of the genome going while nearby genes ...Discovery of new family of pseudo-metallic chemicals
...es were difficult to change or manipulate, and sat dormant in Hawthorne's laboratory for many years. Recently, Hawthorne's scientific team found a way to modify these cages, resulting in a large, new family of nano-sized compounds. In their study, which was published this month, Hawthorne, and Mark Lee,...Mosquito genes explain response to climate change
...t rather they are flowering, reproducing and going dormant at different times of the year than they used to. Many species will be unable to change quickly enough and will become extinct." "Climate change will change the seasonal ecology of many animals," Bradshaw said. "Rather than having a bully coming ...Highlighted sessions of ASBMB's 2007 Annual Meeting
...third of the world's population is infected with a dormant form of Mycobacterium tuberculosis the bacterium that causes tuberculosis. These bacteria can lay dormant inside people and may not become active until decades later. BAVESH KANA, a researcher at the Univer...Why is long-term therapy required to cure tuberculosis?
... antibiotics act only on replicating bacteria, the dormant state of TB is thought to render it resistant to treatment. But the authors now challenge this traditional view. In the light of data on treating human TB and other bacterial infections, they suggest that the non-replicating state is not TB-specif...DNA nanoparticles hold promise in gene therapy for Parkinson's disease
... animal studies, neurotrophic factors have revived dormant brain cells, caused them to produce dopamine, and prompted dramatic improvement of symptoms. PD is a chronic, progressive disorder of the central nervous system, and is the direct result of the loss of cells in a section of the brain called the sub...Brown cancer biologists identify major player in cell growth
...al role in cell growth another way. Simply forcing dormant cells to make GABP, they found, was enough to rouse cells from their slumber and get them to grow again. "So we've found a new pathway to control cell growth," Rosmarin said. "Now that we know a way to disrupt GABP and stop division, there is the p...Dig deeper to find Martian life
...aken for studying. "It just isnt plausible that dormant life is still surviving in the near-subsurface of ...on doses on Mars to calculate the survival time of dormant populations of the cells. Some strains are radiation-resistant and are able to survive the effects b......ency virus (HIV) and other viruses transition into dormant phases in their hosts. The researchers have discov...ey have hidden by going dormant. Eventually, these dormant viruses wake up and the infection returns, so it makes sense to try to keep the virus asleep if poss...