Alexander Frey

Visiting Professor
Visiting Professor
T107 Bioproducts and Biosystems

I received my D.Sc. from the Swiss Federal Institute of Technology (ETH Zürich) in the field of Biotechnology in 2002. After a post-doctoral position at the University of Zürich at the Institute of Medical Virology, I returned to ETHZ, where I started to develop my research interest in engineering of cellular production systems.

My research group focuses on the rationale design of novel and improved production organisms using state-of-the art molecular biology tools in combination with high throughput screening approaches.

Every day, all over the world, baker’s yeast is used to make food and drink. Many societies have been using yeast for such purposes for thousands of years. Yeast’s importance has led to it being well-studied. In recent years, this has resulted in yeast being used not only in the production of food, but also in the manufacturing of biopharmaceuticals. Using yeast as working horse, we create new ways to make “tried and tested” products such as therapeutic antibodies – however in a more efficient way than with the existing production methods. The areas of our research are related to recombinant protein production in general and we develope key expertise in protein N-glycosylation and protein folding and secretion. In addition, my research group is developing novel approaches for biosynthesis of biologically active oligosaccharides and utilizing molecular biotechnology for development of materials.

Our research is published in the leading journals of the field and the most cited article received more than 100 citations. In addition, the research has resulted in several patent applications.

Full researcher profile
https://research.aalto.fi/...
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Julkaisut

Investigating the effects of membrane curvature inducing proteins on lipid droplets in Saccharomyces cerevisiae

Laura R.K. Niemelä, Isabell Tunn, Alexander D. Frey 2026 Molecular Biology Reports

Enhancing Chitin Production as a Fermentation Byproduct through a Genetic Toolbox that Activates Cell Wall Integrity Response

An Nguyen, Isabell Tunn, Merja Penttilä, Alexander Frey 2025 ACS Synthetic Biology

Generation of ribosomal protein S1 mutants for improving of expression of difficult to translate mRNAs

Laura R. K. Niemelä, András Pásztor, Alexander D. Frey 2025 Applied Microbiology & Biotechnology

Edible and Biodegradable Wearable Capacitive Pressure Sensors: A Paradigm Shift toward Sustainable Electronics with Bio-Based Materials

Fevzihan Basarir, Yazan Al Haj, Fangxin Zou, Swarnalok De, An Nguyen, Alexander Frey, Ijlal Haider, Veikko Sariola, Jaana Vapaavuori 2024 Advanced Functional Materials

Modification of the endoplasmic reticulum morphology enables improved recombinant antibody expression in Saccharomyces cerevisiae

Laura R.K. Niemelä, Essi V. Koskela, Alexander D. Frey 2024 Journal of Biotechnology

Similarity Index for the Fat Fraction between Breast Milk and Infant Formulas

Sanna Hokkanen, Alexander D. Frey, Baoru Yang, Kaisa M. Linderborg 2022 Journal of Agricultural and Food Chemistry

Production of galactosylated complex-type N-glycans in glycoengineered Saccharomyces cerevisiae

Mari A. Piirainen, Heidi Salminen, Alexander D. Frey 2022 Applied Microbiology & Biotechnology

The Impact of Glycoengineering on the Endoplasmic Reticulum Quality Control System in Yeasts

Mari A. Piirainen, Alexander D. Frey 2022 Frontiers in Molecular Biosciences

Partitioning of the milk fat globule membrane between buttermilk and butter serum is determined by the thermal behaviour of the fat globules

Sanna P. Hokkanen, Riitta Partanen, Annamari Jukkola, Alexander D. Frey, Orlando Rojas Gaona 2021 International Dairy Journal

Production of Glucose 6-Phosphate From a Cellulosic Feedstock in a One Pot Multi-Enzyme Synthesis

Anne Usvalampi, He Li, Alexander D. Frey 2021 Frontiers in Bioengineering and Biotechnology