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						<h1 itemprop="headline">Kjeldgaard Lectures: Clemens Plaschka</h1>
						
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							<p class="text--intro" itemprop="description">How to export messenger RNA - by Clemens Plaschka, Senior Group Leader, IMP, Research Institute of Molecular Pathology,
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<p class="text--intro" itemprop="description">Vienna, Austria</p>
						
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									<h2 class="screenreader-only">Oplysninger om arrangementet</h2>

									
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														Onsdag 22. oktober 2025,
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														&nbsp;kl. 13:15 -  14:00
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													<p class="news-event__info__item__ical-link"><a href="/aktuelt/nyhed/artikel/kjeldgaard-lectures-clemens-plaschka?tx_news_pi1%5Bformat%5D=ical&amp;type=9819&amp;cHash=2b78cd8b6c653077894a469b7119d49b">Tilføj til kalender</a></p>
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													<h3 class="news-event__info__item__header text--label-header">Sted</h3>
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														<p>1871-120</p>
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														<span itemprop="name">Helene Eriksen</span>
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									<p>Wednesday 22 October 2025 at 13:15-14:00<br> Followed by PhD-session at 14:30-15:00<br> (Coffee and cake will be served between lecture and PhD-session)<br> 1871-120 (Nucleus)<br> Hosted by: Peter Ebert Andersen</p>
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<p><strong>How to export messenger RNA</strong><br> The nuclear export of messenger RNA mRNA is a key step in eukaryotic gene expression. Despite recent insights into the nuclear packaging of human mRNAs into ribonucleoprotein complexes (mRNPs), the subsequent molecular events that govern mRNA exports are poorly understood. Here, I will present our recent structural, biochemical, and genetic data on how human mRNAs are prepared for their nuclear export. This pathway involves the recognition and remodeling of mRNPs by the transcription-export complexes (TREX), the formation of export-competent mRNPs, the docking of mRNPs at the nuclear pore complex (NPC), and the release of mRNPs at the NPC to initiate export. Our biochemical and structural data uncover the ATPase DDX39/UAP56 as a central molecular switch that directs mRNPs through TREX and the NPC-anchored TREX-2 complex using its ATPase and mRNA-binding cycle. These findings help to establish a mechanistic framework for the mRNA export pathway.</p>
								
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