<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">
<div>
<div class="">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">
<div class="">
<div class="">
<div class="">
<div class="">
<div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
Howdy Friends!<br class="">
<div style="font-family: Calibri, sans-serif; margin: 0in;" class=""><o:p class=""> </o:p></div>
<div style="font-family: Calibri, sans-serif; margin: 0in;" class="">Please join us for the PBIO Colloquium this Friday! We are lucky to have a superstar in evolutionary biology visiting us!<o:p class=""></o:p></div>
<div style="font-family: Calibri, sans-serif; margin: 0in;" class=""><o:p class=""> </o:p></div>
<div style="font-family: Calibri, sans-serif; margin: 0in;" class=""><span style="color: rgb(197, 90, 17);" class="">Laura Kubatko, Professor of Statistics, Ecology, and Evolution<o:p class=""></o:p></span></div>
<div style="font-family: Calibri, sans-serif; margin: 0in;" class=""><span style="color: rgb(197, 90, 17);" class="">Dept of Evolution, Ecology, and Organismal Biology, Ohio State University<span style="font-size: 16pt;" class=""><o:p class=""></o:p></span></span></div>
<div style="font-family: Calibri, sans-serif; font-size: 11pt; margin: 0in;" class="">
<span style="font-size: 16pt;" class=""><o:p class=""> </o:p></span></div>
<div style="font-family: Calibri, sans-serif; font-size: 11pt; margin: 0in;" class="">
<img id="Picture_x0020_5" alt="Laura Kubatko, professor in statistics and evolution, ecology, and organismal biology" style="" class="" apple-inline="yes" src="cid:image001.jpg@01D95B22.C4B8C780"><span style="font-size: 16pt;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Calibri, sans-serif; font-size: 11pt; margin: 0in;" class="">
<o:p class=""> </o:p></div>
<p style="font-family: Helvetica; font-size: 16px; background-color: white;" class="">
<b class=""><i class=""><span style="font-size: 26pt;" class="">What gene trees do (and do not) tell us<o:p class=""></o:p></span></i></b></p>
<p style="font-family: Helvetica; font-size: 16px; background-color: white;" class="">
<b class=""><i class=""><span style="font-size: 26pt;" class="">about species evolution and biodiversity</span></i></b><b class=""><i class=""><span style="font-size: 26pt;" class=""><o:p class=""></o:p></span></i></b></p>
<div style="font-family: Calibri, sans-serif; font-size: 11pt; margin: 0in;" class="">
<span style="font-size: 16pt; color: rgb(197, 90, 17);" class="">11:50 – 12:45, Friday, March 24 Room 104, Porter Hall<o:p class=""></o:p></span></div>
<div style="font-family: Calibri, sans-serif; font-size: 11pt; margin: 0in;" class="">
<o:p class=""> </o:p></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">Species-level phylogenetic trees represent the sequence of evolutionary events that</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">have given rise to the species observed at the present time. Species trees may differ</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">from gene trees — trees that represent the evolutionary history for individual genes</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">throughout the genome — due to evolutionary processes such as hybridization,</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">horizontal gene transfer, and ancestral polymorphism. In this talk, I will first describe</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">models for the relationship between gene trees and species trees, focusing specifically on the case of ancestral polymorphism. I’ll then consider phylogenetically-based methods for studying
biodiversity, and demonstrate the important distinction between genes trees and species trees. The impact of using gene trees vs. species</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">trees will be examined with empirical data from several taxonomic groups, ranging</span><span style="font-size: 14pt; font-family: Calibri, sans-serif;" class=""><o:p class=""></o:p></span></div>
<div style="font-family: Helvetica, sans-serif; font-size: 9pt; margin: 0in; background-color: rgb(180, 198, 231);" class="">
<span style="font-size: 14pt; font-family: Calibri, sans-serif;" class="">from yeast to mammals.</span></div>
</div>
</div>
</div>
</div>
<br class="">
</div>
</div>
</div>
</div>
<br class="">
</body>
</html>