<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-18T22:15:55Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/89945" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/89945</identifier><datestamp>2026-06-17T14:43:03Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131022</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Christopher B. Burge.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Merkin, Jason Jay</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Department of Biology.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Biology</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2014-09-19T21:30:17Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2014-09-19T21:30:17Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2014</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2014</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/89945</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">890124373</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis: Ph. D., Massachusetts Institute of Technology, Department of Biology, 2014.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Title as it appears in MIT commencement exercises program, June 6, 2014: The evolution of mRNA splicing in mammalian tissues Cataloged from PDF version of thesis.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (pages 167-172).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">In this thesis, I describe investigations into the evolution of splicing in mammals. I first investigate a small class of alternative splicing events, tandem splice sites, and show how they are used to introduce and remove coding sequence in a species-specific manner. I then describe the generation and analysis of a large RNA-seq dataset from 9 matched tissues in 5 species, with the aim to investigate the evolution of splicing in mammals. I first investigate the evolution of exons that predate the most ancient divergence of species studied, finding that their splicing is frequently poorly conserved. For a subset of these exons, I identify unique regulatory properties and provide evidence linking alternative splicing to phosphorylation potential of proteins. I then consider sources of novel exons, in these species. I use these and other published data to identify one way in which splicing of novel exons impacts the biology of the cell. I also present evidence implicating genomic indels in exon creation and splicing variation.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Jason Jay Merkin.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">Ph.D.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">176 pages</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Biology.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">The evolution of mRNA splicing in mammals</dim:field>
   <dim:field mdschema="dc" element="title" qualifier="alternative" lang="en_US">Evolution of mRNA splicing in mammalian tissues</dim:field>
   <dim:field mdschema="dc" element="title" qualifier="alternative" lang="en_US">Evolution of messenger ribonucleic acid splicing in mammalian tissues</dim:field>
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   	&lt;Title>The evolution of mRNA splicing in mammals&lt;/Title>
   	&lt;Subtitle>Evolution of mRNA splicing in mammalian tissues&lt;/Subtitle>
   	&lt;Subtitle>Evolution of messenger ribonucleic acid splicing in mammalian tissues&lt;/Subtitle>
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   	&lt;PublicationDate>2014&lt;/PublicationDate>
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    &lt;Keyword>Biology.&lt;/Keyword>
   	&lt;Abstract>In this thesis, I describe investigations into the evolution of splicing in mammals. I first investigate a small class of alternative splicing events, tandem splice sites, and show how they are used to introduce and remove coding sequence in a species-specific manner. I then describe the generation and analysis of a large RNA-seq dataset from 9 matched tissues in 5 species, with the aim to investigate the evolution of splicing in mammals. I first investigate the evolution of exons that predate the most ancient divergence of species studied, finding that their splicing is frequently poorly conserved. For a subset of these exons, I identify unique regulatory properties and provide evidence linking alternative splicing to phosphorylation potential of proteins. I then consider sources of novel exons, in these species. I use these and other published data to identify one way in which splicing of novel exons impacts the biology of the cell. I also present evidence implicating genomic indels in exon creation and splicing variation.&lt;/Abstract>
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