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<p>TWiM explains a biological mechanism that links sulfur and iron cycling in anoxic environments, and "swashing," a form of surface movement in which bacteria migrate without active propulsion.</p> <p>Hosts:<a href="http://www.virology.ws/"> </a> <a href= "https://education.musc.edu/MUSCApps/facultydirectory/Schmidt-Michael">Michael Schmidt</a>, <a title="" href= "https://medschool.umich.edu/profile/2682/michele-s-swanson">Michele Swanson</a>, and <a title="" href= "https://biology.wustl.edu/people/petra-levin">Petra Levin</a></p> <p>Guest: <a href= "https://www.pugetsound.edu/directory/mark-martin">Mark O. Martin</a></p> <p>Subscribe to TWiM (free) on <a href= "https://podcasts.apple.com/us/podcast/this-week-in-microbiology/id422332846">Apple Podcasts</a>, <a href= "http://twimshow.microbeworld.libsynpro.com/">RSS</a>, or by <a href="http://eepurl.com/Hu-U9">email.</a></p> <h3 class="wp-block-heading">Links for this episode</h3> <ul class="wp-block-list"> <li>Sulfur and iron cycling ...