The kapok connection -- Study explains rainforest similarities
...ribution of Ceiba pentandra. Dick concluded that extreme long distance travel by wind or ocean currents explains how the trees spread from South America to Africa. He plans to continue investigating the role of oceanic dispersal to see if the same is true for other species and for entire plant communities....A possible mechanistic link between stress and the development of Alzheimer tangles
...ause cell death. Previous studies had shown that extreme physiological stress, such as plunging mice into ice water or starving them for three days, can induce tau phosphorylation. But what we wanted to know was whether exposure to milder stress, of the kind we experience in our daily lives, can induce tau...Genomatix expands operations in North America
...g Academy outside of Europe. Genomatix experienced extreme demand for training and education, well beyond a standard product training. Our scientific approaches to gene regulation and our innovative ways to look at microarray data enable us to teach university-like courses, digging deep into the underlying p...Researchers shed light on shrinking of chromosomes
... expose the DNA to serious mechanical damage. The extreme condensation of chromosomes towards the end of cell division can also serve as a safety net if something goes wrong with chromosome separation in earlier phases of division. When the researchers added chemicals to the cell to block the late condensat...ESA's water mission instrument passes test program
...ulator. This is a massive vacuum chamber where the extreme temperature differences of space are simulated. A ...nstrument and then the instrument was subjected to extreme cold similar to that of deep space. Not only does the payload need to function properly under these ...Menthol receptor also important in detecting cold temperatures
...ers noted. It also contributes to the detection of extreme cold, or temperatures below 15 C degrees. Cold,...ossible existence of another pathway for detecting extreme cold. ...American Chemical Society's Weekly PressPac -- May 30, 2007
...the element in ordinary beach sand. Because of the extreme sensitivity of the compounds, which the researchers did not expect, only a limited number of tests could be performed before samples exploded. A sample of one compound, for instance, exploded when touched gently with a small plastic laboratory spat...Researchers track how spores break out of dormant state
...tough spore coat, have a significant resistance to extreme environmental factors including heat, radiation an...seases, such as Alzheimers and prion diseases. The extreme physical and chemical resistance of Bacillus spores suggests that evolutionary forces have captured ...How E. coli evolves to adapt to changing acidity
... neutral-acidity colon, with brief exposure to the extreme acidity of the stomach and modest alkalinity in the small intestine during colonization of a new host. With modern sewage handling (or mishandling), the bacteria may also experience exposure to the ocean, with a pH near 8.0, before infecting a new ho...Ants show us how to make super-highways
...e quantitative evidence from animal societies that extreme specialisation by a minority can significantly improve the performance of a majority to benefit the group as a whole. It also suggests that these benefits are a consequence of the unusual and derived foraging strategy of the army ant (Eciton burchell...Genome of Clostridium botulinum reveals the background to world's deadliest toxin
... opportunity arises. "C. botulinum shows us one extreme of the ways that bacteria can make the most of animal hosts," explained Dr Julian Parkhill of the Wellcome Trust Sanger Institute. "Some organisms use subtle approaches, elegantly choreographing their interaction with us and our defences. "C. botul...Alcohol use during pregnancy leads to greater risk of extreme preterm delivery
...n contribute to a substantial increase in risk for extreme preterm delivery. Results are published in the ...tte, use were associated with an increased risk of extreme preterm delivery; alcohol accounted for the lions share of the risk. Furthermore, the effects were ...MBL scientist Julie Huber receives 2007 LOral USA Fellowship for Women in Science
...stions about the origin of life, limits of life in extreme environments, and the connection between life and geological processes that extend to global and extra-terrestrial scales. Having logged over six months at sea on research cruises around the Pacific, Dr. Huber has professional and research experie...UGA study reveals function of ubiquitous yet poorly understood microorganisms
...re of the ecological role of crenarchaeota in more extreme environments such as the hot springs. Because ammonia-oxidizing archaea are associated with a group of microorganisms that thrive in hot spring environments that are thought to resemble early conditions on Earth, Zhang said they may help scientists...Resistance genes in our food supply
...s are no longer effective, forcing doctors to take extreme measures like removing an infected lung. The problem is not just confined to the food supply. Recent studies have shown antibiotic resistance genes in bacteria in the digestive tract of young infants. Since these children were still breast- or fo...Botulism bug has few genome wrinkles
... opportunity arises. "C. botulinum shows us one extreme of the ways that bacteria can make the most of animal hosts," explained Dr Julian Parkhill of the Wellcome Trust Sanger Institute. "Some organisms use subtle approaches, elegantly choreographing their interaction with us and our defences. "C. botul...Scientists concerned about effects of global warming on infectious diseases
... may also begin to see influenza year-round. And extreme weather events will also lead to more disease, unl...ared. As the frequency, intensity, and duration of extreme weather events change, water supplies become more at risk, according Joan Rose of Michigan State Uni...New techniques redefine assessment of liver disease
...for non-alcoholic steatohepatitis (NASH), the most extreme form of nonalcoholic fatty liver disease (NAFLD), researchers previously demonstrated that a less invasive blood test to determine caspase three-generated cytokeratin 18 fragment levels (a noninvasive biomarker test, CK-18) can predict the incidence ...Computer model maps efficient inoculation of hospital staff in pandemic outbreak
...two days amid stressful conditions and potentially extreme and unpredictable demands regarding patient-care, the paper said. "While individual hospitals have initiated varying degrees of preparedness planning, there are currently no guidelines or best-practice examples for this aspect of hospital protectio...... which living cells with identical DNA can achieve extreme differentiation. The research at the Models of Life Basic Research Center at the Niels Bohr Institute has shown that communication between nucleosomes and positive feedback are likely to constitute fundamental memory mechanisms in individual cells....