Microorganisms Current Events | Microorganisms News | 6
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Periodontitis is associated with pregnancy complications
Results of a new study support the hypothesis that chronic periodontal infection increases the risk of developing preeclampsia in pregnant women. view more (2006-02-06)
The evolution of gene regulation
Even microbes are governed by the principle of supply and demand - at least at the genetic level. Not all of their gene products, the blueprints for proteins, are required at all times. view more (2009-05-26)
DNA of Uncultured Organisms Sequenced Using Novel Single-Cell Approach
Scientists from the U.S. Department of Energy (DOE) Joint Genome Institute (JGI) and the Bigelow Laboratory for Ocean Sciences have assembled high quality, contamination-free draft genomes of uncultured biodegrading microorganisms using a novel single cell genome sequencing approach. view more (2009-04-22)
MIT reels in RNA surprise with microbial ocean catch
An ingenious new method of obtaining marine microbe samples while preserving the microbes' natural gene expression has yielded an unexpected boon: the presence of many varieties of small RNAs - snippets of RNA that act as switches to regulate gene expression in these single-celled creatures. view more (2009-05-14)
Caltech geobiologists discover unique 'magnetic death star' fossil
An international team of scientists has discovered microscopic, magnetic fossils resembling spears and spindles, unlike anything previously seen, among sediment layers deposited during an ancient global-warming event along the Atlantic coastal plain of the United States. view more (2008-10-23)
Nitrogen retained through loss
The nitrogen cycle plays a major role in seagrass fields. Dutch researcher Arie Vonk studied the nitrogen dynamics of seagrasses in Indonesia. He discovered that the interaction between seagrasses, animals and microorganisms results in an efficient nitrogen cycle in tropical seagrass fields. Consequently the nitrogen lost from seagrasses is still... view more... (2008-05-23)
Fuel-eating bacteria
The sinking of the Prestige and the resulting leakage of petroleum oil, just over a year ago, provoked a real catastrophe. A significant number of research groups were prompted to set to work to clean up the remains of this oil slick. One year after, the first results of those researches are being known. They want to use bacteria that eat... view more... (2004-02-11)
Zebra mussels hang on while quagga mussels take over
The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days - not because they are dying off, but because they are being replaced by a cousin, the quagga mussel. But zebra mussels still dominate in fast-moving streams and rivers. view more (2009-06-12)
McMaster researchers discover a new antibacterial lead
Antibiotic resistance has been a significant problem for hospitals and health-care facilities for more than a decade. But despite the need for new treatment options, there have been only two new classes of antibiotics developed in the last 40 years. view more (2009-09-28)
Microscopic 'astronauts' to go back in orbit
When space shuttle Endeavor blasts off on March 11, some tiny 'astronauts' will piggyback onboard an experimental payload from Arizona State University's Biodesign Institute. view more (2008-03-11)
Discovery in the evolution of the immune system absorbing cells
Led by Dr J Oriol Sunyer, of the Faculty of Veterinary Medicine at the University of Pennsylvania, and formed by researchers from Philadelphia, St Louis and Idaho (USA) and by Dr Lluís Tort of the Universitat Autònoma de Barcelona, the group has been able to show that B cells in fish as well as in amphibians are capable of strong phagocytosis... view more... (2006-10-05)
Montana State team finds Yellowstone alga that detoxifies arsenic
Arsenic may be tough, but scientists have found a Yellowstone National Park alga that's tougher. view more (2009-03-10)
Salmonella in garden birds responsive to antibiotics
Scientists at the University of Liverpool have found that Salmonella bacteria found in garden birds are sensitive to antibiotics, suggesting that the infection is unlike the bacteria found in livestock and humans. view more (2008-06-03)
Elevated Carbon Dioxide Changes Soil Microbe Mix Below Plants
A detailed analysis of soil samples taken from a forest ecosystem with artificially elevated levels of atmospheric carbon dioxide (CO2) reveals distinct changes in the mix of microorganisms living in the soil below trembling aspen. view more (2007-12-20)
Iowa State University experts can discuss new FDA produce irradiation rule
The Food and Drug Administration's new (Aug. 22) regulation that will allow irradiation pasteurization to be used on fresh spinach and iceberg lettuce to kill illness-causing bacteria is a step that two Iowa State University professors have long advocated. view more (2008-08-25)
MIT experts foresee sustainable ethanol production
As the search for alternative fuel sources intensifies, more and more attention has been focused on ethanol—a fuel many see as desirable because it burns cleanly and can be produced from plants. view more (2007-02-12)
Do bacterial combinations result in enhanced cytokine production? No!
Probiotic bacteria, defined as living microorganisms that have beneficial effects on human health, have been used for the prevention and treatment of a diverse range of disorders. view more (2008-03-18)
Tracking Poultry Litter Phosphorus: Threat of Accumulation?
The Delmarva Peninsula, flanking the eastern shore of the Chesapeake Bay, is home to some 600 million chickens. The resulting poultry manure and some of the chicken house bedding material is usually composted and then spread onto croplands as a fertilizer. view more (2009-01-29)
Edible coating makes fish filets longer-lasting, healthier
Consumers may be able to eat longer-lasting, potentially healthier fish fillets if research at Oregon State University makes its way to the supermarket. view more (2009-07-17)
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