1.0Center for Gastrointestinal Biology and Disease/cgibdElizabeth Prieto/cgibd/author/elizabeth-prieto/rich600338<blockquote class="wp-embedded-content" data-secret="gdkehRYdu1"><a href="/cgibd/directory/nathan-crook-phd/">Nathan Crook, PhD</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/cgibd/directory/nathan-crook-phd/embed/#?secret=gdkehRYdu1" width="600" height="338" title="“Nathan Crook, PhD” — Center for Gastrointestinal Biology and Disease" data-secret="gdkehRYdu1" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> /cgibd/wp-content/uploads/sites/466/2020/01/nathan-crook-e1504137751999.jpg500500Research Summary Dr. Crook’s lab characterizes and enhances the ability of probiotic yeast (Saccharomyces boulardii) to synthesize therapeutics in the large intestine. The lab has developed the largest toolkit for engineering this strain and has characterized its colonization kinetics in a variety of mouse models. They have recently applied this knowledge to enable S. boulardii … Read more