Hosts: <a style="color: #4da7d4; text-decoration: underline;" href="http://www.virology.ws">Vincent Racaniello</a>, <a style="color: #4da7d4; text-decoration: underline;" href="http://academicdepartments.musc.edu/immunology/Faculty/schmidt.html" target="_blank">Michael Schmidt</a>, <a style="outline-width: 0px; outline-style: initial; outline-color: initial; font-size: 12px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-color: transparent; color: #4da7d4; text-decoration: underline; padding: 0px; margin: 0px; border: 0px initial initial;" href="http://schaechter.asmblog.org/" target="_blank">Elio Schaechter</a> and <a style="color: #4da7d4; text-decoration: underline;" href="http://www.med.umich.edu/microbio/bio/swanson_m.htm">Michele Swanson</a>. 
The TWiM team discusses evidence that serotonin synthesis is regulated by spore-forming members of the gut microbiota.
Subscribe to TWiM (free) on <a style="color: #4da7d4;" href="http://itunes.apple.com/us/podcast/this-week-in-microbiology/id422332846" target="_blank">iTunes</a>, via <a style="color: #4da7d4;" href="http://twimshow.microbeworld.libsynpro.com/" target="_blank">RSS feed</a>, by <a style="color: #4da7d4;" href="http://eepurl.com/Gcw59" target="_blank">email</a> or listen on your mobile device with the <a style="color: #4da7d4;" href="http://itunes.apple.com/us/app/id337731458?mt=8" target="_blank">Microbeworld app</a>.
Links for this episode
<ul style="margin: 0.2em 0px 1em; padding: 0px; list-style: none;">
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;">When <a style="color: #4da7d4;" href="http://schaechter.asmblog.org/schaechter/2015/03/when-antibiotic-resistance-in-vitro-does-not-tell-you-what-you-need-to-know.html" target="_blank">antibiotic resistance in vitro</a> falls short (STC)</li>
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;">Gut microbiota control <a style="color: #4da7d4;" href="http://www.sciencedirect.com/science/article/pii/S0092867415002482" target="_blank">serotonin in mice</a> (Cell)</li>
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;"><a style="color: #4da7d4;" href="http://en.wikipedia.org/wiki/Serotonin#/media/File:Serotonin_biosynthesis.svg" target="_blank">Serotonin biosynthesis</a> (Wikipedia)</li>
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;"><a style="color: #4da7d4;" href="http://schaechter.asmblog.org/schaechter/2012/08/the-road-to-microbial-endocrinology.html" target="_blank">Microbial endocrinology</a> (STC)</li>
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;"><a style="color: #4da7d4;" href="http://en.wikipedia.org/wiki/Serotonin#/media/File:Serotonin_biosynthesis.svg" target="_blank">Image credit</a></li>
<li style="padding: 0.4em 0px 0.4em 36px; background-image: url('http://www.microbeworld.org/templates/microbeworld/images/_layout/bullet.gif'); line-height: 1.4em; height: 6.328125px; background-position: 16px 0.35em; background-repeat: no-repeat no-repeat;">Sponsors for this episode: <a style="color: #4da7d4;" href="http://www.scimedsolutions.com" target="_blank">SciMedSolutions</a>, <a style="color: #4da7d4;" href="http://jmbe.asm.org/index.php/jmbe" target="_blank">Jmbe.asm.org</a>, <a style="color: #4da7d4;" href="http://www.icaac.org" target="_blank">ICAAC-ICC</a></li>
</ul>
Send your microbiology questions and comments (email or mp3 file) to <a style="color: #4da7d4;" href="mailto:twim@twiv.tv" target="_blank">twim@twiv.tv</a>, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at <a style="color: #4da7d4;" href="http://microbeworld.org" target="_blank">microbeworld.org</a> and tag them with twim.
Image: Serotonin temporary tattoo by <a href="https://www.flickr.com/photos/chezshawna/396442691">flickr user: ChezShawna</a>

TWiM #103: The battle for iron

This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.