Science news articles about 'plague bacterium'

  • Scientists discover why plague is so lethal

    ... of a single genetic mutation, according to research published in the May issue of the journal Microbiology. “The plague bacterium Yersinia pestis needs calcium in order to grow at body temperature. ...
  • Where man boldly goes, bacteria follow

    ... faecal bacteria like E. coli, plague bacterium-related species of Yersinia, and even what ... bug-free; recent sampling revealed the bacterium Staphylococcus epidermidis surviving in different areas. ...
  • Ouch! Taking a shot at plague

    ... , and the Prairie Dog Coalition. The same bacterium that affects ferrets, prairie dogs, and other rodents, is also responsible for human cases of plague. The disease is transmitted from animals to ...
  • UT Southwestern researchers uncover attack mechanism of illness-inducing bacterium

    ... some of V para's genes and those encoded by an unrelated bacterium that causes plague, which she also studies. V para was already known to kill host cells but the molecular ...
  • Salmonella: Trickier than we imagined

    ... types of the bug. Sun studied Salmonella Typhimurium, one of the two most common types; that bacterium and Salmonella enteritidis together cause more than half the Salmonella illnesses seen in people. ...
  • Defining DNA differences to track and tackle typhoid

    ... the human body. More importantly, genes that contain instructions for the proteins on the surface of the bacterium - those most often attacked by our immune system defences - vary much less than do ...
  • Symbiotic microbes induce profound genetic changes in their hosts

    ... host tissue development. She now suggests that the outcome may rely on how the host itself responds to the bacterium. Problems most often arise when a normal balance is disrupted, she says. "A lot of ...

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