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  • Researchers Study Microbes Circulating in Urban-Area Air
    Bacteria from fecal material -- in particular, dog fecal material -- may constitute the dominant source of airborne bacteria in Cleveland's and Detroit's wintertime air, says a new University of Colorado Boulder study. The CU-Boulder study showed that of the four Midwestern ...More
    August 19, 2011 Posted in News, Infections & Pathogens
  • Study Reveals How Microbes Travel the Earth
    Scientists from the UK and Switzerland have investigated the remarkable distance that microorganisms may be able to blow between continents, raising questions about their potential to colonise new lands and also potentially to spread diseases. The researchers from Liverpool ...More
    August 17, 2011 Posted in News, Infections & Pathogens
  • Bellybutton Microbiomes Bust the Myth That All Skin Bacteria are Bad
    Human skin is teeming with microbes—communities of bacteria, many of which are harmless, live alongside the more infamous microbes sometimes found on the skin. Nina Rountree from North Carolina State University and colleagues set out to dispel the myth that all bacteria on ...More
    August 3, 2011 Posted in News, Infections & Pathogens
  • Study Discovers How Microbes Make It Past Tight Spaces Between Cells
    There are 10 microbial cells for every one human cell in the body, and microbiology dogma holds that there is a tight barrier protecting the inside of the body from outside invaders, in this case bacteria. Bacterial pathogens can break this barrier to cause infection and ...More
    June 17, 2011 Posted in News
  • Microbial Growth in Pharaoh's Tomb Suggests Burial was Rushed
    In the tomb of King Tutankhamen, the elaborately painted walls are covered with dark brown spots that mar the face of the goddess Hathor, the silvery-coated baboons—in fact, almost every surface. Despite almost a century of scientific investigation, the precise identity of ...More
    June 8, 2011 Posted in News
  • 'Policing' Stops Cheaters from Dominating Groups of Cooperative Bacteria
    When environmental conditions are hospitable, Myxococcus xanthus takes a rod-shaped form (yellow), swarming, dividing, and competing with other cells for nutrients. When stressed, the bacterium becomes more social, collaborating with other cells to produce spherical spores ...More
    May 26, 2011 Posted in News
  • Antibiotics Disrupt Gut Ecology, Metabolism
    Humans carry several pounds of microbes in our gastro-intestinal tracts. Recent research suggests that this microbial ecosystem plays a variety of critical roles in our health. Now, working in a mouse model, researchers from Canada describe many of the interactions between ...More
    April 20, 2011 Posted in News
  • Intestinal Bacteria Organize in Clusters
    As partners in the international research consortium named MetaHit, scientists from the University of Copenhagen have contributed to show that an individual's intestinal bacteria flora, regardless of nationality, gender and age, organizes itself in certain clusters. The ...More
    April 20, 2011 Posted in News
  • Stress Wrecks Intestinal Bacteria, Could Keep Immune System on Idle
    Stress not only sends the human immune system into overdrive – it can also wreak havoc on the trillions of bacteria that work and thrive inside our digestive system. New research suggests that this may be important because those bacteria play a significant role in ...More
    April 11, 2011 Posted in News
  • Stress Affects the Balance of Bacteria in the Gut and Immune Response
    Stress can change the balance of bacteria that naturally live in the gut, according to research published this month in the journal Brain, Behavior, and Immunity. "These bacteria affect immune function, and may help explain why stress dysregulates the immune response," says ...More
    March 21, 2011 Posted in News