1.0Department of Genetics/geneticsBetsy Clarke/genetics/author/bclarke/rich600338<blockquote class="wp-embedded-content" data-secret="vNn0OCrBqg"><a href="/genetics/directory/shawn-ahmed-phd/">Shawn Ahmed, PhD</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/genetics/directory/shawn-ahmed-phd/embed/#?secret=vNn0OCrBqg" width="600" height="338" title="“Shawn Ahmed, PhD” — Department of Genetics" data-secret="vNn0OCrBqg" 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> /genetics/wp-content/uploads/sites/481/2016/10/Shawn-Ahmed-e1615403634452.jpeg347353Research Interests Key words: Cellular immortality, telomere biology, small RNAs, genome silencing, epigenetic inheritance, stress, longevity Overview  We are broadly interested in the structure, function and evolution of genomes. More specifically, we study the topics of telomere biology, cellular immortality, repetitive DNA, genome stability, genome silencing and small RNAs using the nematode Caenorhabditis elegans as … Read more