Editor’s Selections: Evolving from pathogen to symbiont, protective bacteria on your skin, and a plethora of MRSA sequences

Editor's Selections 10 Comments
By Vincent Racaniello

Vincent RacanielloVincent Racaniello selects several notable posts each week from molecular and cellular biology and virology. He blogs at virology blog.

  • Symbiotic bacteria that live in the roots of a host plant provide essential nitrogen in the form of ammonia. A pathogenic bacterium can be converted into something resembling a plant symbiont by introduction of the genes for nitrogen fixation, followed by natural selection.
  • Staphylococcus epidermidis is more than just an innocuous coloniser of healthy skin. The bacteria produce lipotechoic acid (LTA), which prevents an excessive inflammatory response during wound repair, and antimicrobial peptides that kill pathogenic group A streptococci.
  • Methicillin-resistant Staphylococcus aureus (MRSA) infections, often acquired in health care facilities, constitute a serious health issue. By sequencing multiple MRSA genomes, it is possible to track pathogen evolution during hospital transmission and intercontinental spread, enabling better control measures.

I’ll be back next Friday with more selections.

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Editor's Selection Icon<span style="float: left; padding: 5px;"><a href="http://researchblogging.org/news/?p=876"><img alt="This post was chosen as an Editor's Selection for ResearchBlogging.org" src="http://www.researchblogging.org/public/citation_icons/rb_editors-selection.png" style="border:0;"/></a></span>

10 Responses to “Editor’s Selections: Evolving from pathogen to symbiont, protective bacteria on your skin, and a plethora of MRSA sequences”

  1. Jim Says:
    January 22nd, 2010 at 8:04 pm

    Hi Vincent, thanks for picking my post, and a good selection of other picks on a theme too ;-)

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    November 26th, 2011 at 10:18 pm

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    December 16th, 2015 at 4:36 pm

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    December 19th, 2015 at 7:06 pm

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    December 22nd, 2015 at 4:40 pm

    A chinese man was said to live around 250 years with the help of herbs. Is this even true? Could this be possible.

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