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University of Graz News Wegweisend

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Thursday, 10 February 2022

Wegweisend

Was kommt nach Omikron? BiologInnen untersuchen das Virus auf wahrscheinliche Mutationen. Foto: Sissy Sonnleitner

Was kommt nach Omikron? BiologInnen untersuchen das Virus auf wahrscheinliche Mutationen. Foto: Sissy Sonnleitner

Uni-Graz-ForscherInnen wollen Covid-Mutationen vorhersagen

Wie rasch sich das Corona-Virus wandelt, haben wir in den letzten Monaten leidvoll miterlebt. Höchstwahrscheinlich werden sich noch weitere besorgniserregende Varianten durchsetzen. Um dafür gewappnet zu sein, untersuchen BiologInnen der Universität Graz in Kooperation mit dem medizinischen Labor infektiologie.tirol, inwiefern Mutationen vorhersehbar sind. „Tatsächlich konnten wir in unseren Zellkulturen ähnliche Veränderungen beobachten wie in der Natur“, fasst Stephan Koblmüller zusammen. Die Alpha-, Delta- oder Omikron-Varianten dürften sich also nicht rein zufällig entwickelt haben.
„Es gibt offensichtlich bestimmte Regionen im Virus-Genom, an denen gehäuft Mutationen entstehen“, hat der Biologe festgestellt. Eine davon ist das Spike-Protein, auf das es die körpereigene Immunabwehr – und auch die Impfstoffe – besonders abgesehen haben. Die Ergebnisse einer ersten Studie dazu wurden im Fachmagazin Virologica Sinica publiziert.
Im Rahmen des von der Österreichischen Forschungsförderungsgesellschaft FFG finanzierten Projekts analysieren die WissenschafterInnen Veränderungen am Virus in größerem Maßstab. „Mit mehr Einblick in das Erbgut könnte es uns gelingen, weitere Mutationen vorherzusagen“, hofft Sissy Sonnleitner von infektiologie.tirol. Mit diesem Wissen könnte man Impfstoffe und Medikamente auf zu erwartende Varianten maßschneidern.

Publikation:
Sissy Sonnleitner, Stefanie Sonnleitner, Eva Hinterbichler, Hannah Halbfurter, Dominik Kopecky, Stephan Koblmüller, Christian Sturmbauer, Wilfried Posch, Gernot Walder, The mutational dynamics of the SARS-CoV-2 virus in serial passages in vitro, Virologica Sinica, Feb. 2022

 

created by Dagmar Eklaude

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Semester abroad without barriers: University of Graz wins award for promoting inclusion

The University of Graz has been awarded the Internationalization Award for its new inclusion initiative. Students with fewer opportunities now also receive financial support for their semester abroad outside Europe.

Fair distribution: Researchers determine just greenhouse gas budgets for all EU regions

Ten years ago, on 12 December 2015, the Paris Climate Agreement was signed at the UN Climate Conference. In order to limit global warming to well below two degrees, only a certain amount of CO2 may be emitted worldwide. While the focus was originally on national emission targets, more than 200 subnational regions and almost 300 cities have now adopted their own targets. But how many emissions are they fairly entitled to? Researchers at the University of Graz have now developed transparent criteria for fair distribution at the subnational level for the first time and determined corresponding greenhouse gas budgets for all European regions. The paper was published today in the scientific journal Nature Communications.

Chemical Christmas show at the University of Graz: An explosive evening at the Schauspielh

At the beginning of December, the University of Graz transformed the theater into a laboratory: as part of “Chemical Life,” teacher training students staged a chemical Christmas show for Styrian school classes—complete with ethanol rockets, nitrogen snow, and glowing effects. An evening designed to inspire interest in studying chemistry.

Train by train: Koralm railway accelerates exchange between the Universities

Lectures at the University of Klagenfurt in the morning, seminars at the University of Graz in the afternoon: Austria's longest tunnel and a journey time of around 45 minutes make it easy. The Koralm railway increases the speed of networking between the two university locations. The collaboration builds on existing cooperation - for example in the areas of teacher training, Slavic studies and as employers, the universities are well coordinated.

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