Cecilia Geijer

Associate Professor at Industrial Biotechnology

Cecilia Geijer works as an Associate Professor at the Division of Industrial Biotechnology. She has a PhD in Microbiology from the University of Gothenburg, Sweden, and has been employed at Chalmers since 2013. In addition to research and teaching, Cecilia also serves as a Senior Strategic Advisor for Chalmers' Area of Advance Energy and as a member of Chalmers' Faculty Appointment committee. She is also a co-founder of a start-up company that develops yeast strains and bioprocesses for production of food ingredients.

Cecilia’s research spans between curiosity-driven fundamental research and challenge-driven development of new biotechnological applications. Specifically, she is interested in exploring yeast biodiversity with the aim to uncover unique mechanisms, genes, and enzymes for assimilation of different carbon sources, and make use of these discoveries to develop novel microbial cell factories and bioproduction processes. Through collaboration, Cecilia’s research group also performs bioinformatic and comparative genomic analyses and develops novel biomaterials. Research funding includes grants from Formas, Novo Nordisk foundation, Vinnova and H2020.

Cecilia is the examinator and lecturer in the course KBT016 Biochemistry and Biotechnology, and gives lectures in KLI021 Food Microbiology, BBT065 Industrial Biotechnology and the PhD student course Industrial Biotechnology for Lignocellulose Based processes. She is also an examinator in BBTX11 Bachelor projects in Biology and Biological engineering.

Source: chalmers.se
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Showing 37 publications

2024

A unique metabolic gene cluster regulates lactose and galactose metabolism in the yeast Candida intermedia

Kameshwara Venkata Ramana Peri, Le Yuan, Fábio Luis Da Silva Faria Oliveira et al
Applied and Environmental Microbiology. Vol. In Press
Journal article
2024

Engineering Saccharomyces cerevisiae for targeted hydrolysis and fermentation of glucuronoxylan through CRISPR/Cas9 genome editing

Jonas Laukkonen Ravn, João Heitor Colombelli Manfrão Netto, Jana B. Schaubeder et al
Microbial Cell Factories. Vol. 23 (85)
Journal article
2023

Understanding gene cluster interactions enables cell factory application of non-conventional yeast Candida intermedia

Kameshwara Venkata Ramana Peri, Fábio Luis Da Silva Faria Oliveira, Karl Persson et al
Conference poster
2023

Regulation of lactose and galactose growth: Insights from a unique metabolic gene cluster in Candida intermedia

Kameshwara Venkata Ramana Peri, Le Yuan, Fábio Luis Da Silva Faria Oliveira et al
Preprint
2023

Understanding gene cluster interactions enables cell factory application of non-conventional yeast Candida intermedia

Kameshwara Venkata Ramana Peri, Fábio Luis Da Silva Faria Oliveira, Karl Persson et al
Conference poster
2023

Split-marker-mediated genome editing improves homologous recombination frequency in the CTG clade yeast Candida intermedia

Kameshwara Venkata Ramana Peri, Fábio Luis Da Silva Faria Oliveira, Adam Larsson et al
FEMS Yeast Research. Vol. 23
Journal article
2023

Yeasts Have Evolved Divergent Enzyme Strategies To Deconstruct and Metabolize Xylan

Jonas Ravn, Amanda Sörensen Ristinmaa, Tom Coleman et al
Microbiology spectrum. Vol. 11 (3)
Journal article
2022

Cellulose- and xylan-degrading yeasts: Enzymes, applications and biotechnological potential

Katarína Šuchová, Csaba Fehér, Jonas Ravn et al
Biotechnology Advances. Vol. 59
Review article
2022

Data mining of Saccharomyces cerevisiae mutants engineered for increased tolerance towards inhibitors in lignocellulosic hydrolysates

Elena Cámara, Lisbeth Olsson, Jan Zrimec et al
Biotechnology Advances. Vol. 57
Review article
2022

Xylan-cellulose thin film platform for assessing xylanase activity

Jana B. Schaubeder, Jonas Ravn, Eliott Jean Quentin Orzan et al
Carbohydrate Polymers. Vol. 294
Journal article
2022

Unraveling the potential of non-conventional yeasts in biotechnology

Cecilia Geijer, R. Ledesma-Amaro, Elia Tomas-Pejo
FEMS Yeast Research. Vol. 22 (1)
Journal article
2021

CAZyme prediction in ascomycetous yeast genomes guides discovery of novel xylanolytic species with diverse capacities for hemicellulose hydrolysis

Jonas Ravn, Martin Engqvist, Johan Larsbrink et al
Biotechnology for Biofuels. Vol. 14 (1)
Journal article
2020

Candida intermedia CBS 141442: A novel glucose/xylose co-fermenting isolate for lignocellulosic bioethanol production

A. D. Moreno, Elia Tomas-Pejo, Lisbeth Olsson et al
Energies. Vol. 13 (20)
Journal article
2020

Genomic and transcriptomic analysis of Candida intermedia reveals the genetic determinants for its xylose-converting capacity

Cecilia Geijer, Fábio Luis Da Silva Faria Oliveira, David Moreno et al
Biotechnology for Biofuels. Vol. 13 (1)
Journal article
2019

Evolutionary engineered Candida intermedia exhibits improved xylose utilization and robustness to lignocellulose-derived inhibitors and ethanol

David Moreno, Antonella Carbone, Rosita Pavone et al
Applied Microbiology and Biotechnology. Vol. 103 (3), p. 1405-1416
Journal article
2018

Split-marker recombination for efficient targeted gene deletions in Candida intermedia

Fábio Luis Da Silva Faria Oliveira, David Moreno, Lisbeth Olsson et al
Other conference contribution
2018

Genomic and transcriptomic analysis of Candida intermedia reveals important genes for xylose utilization

Fábio Luis Da Silva Faria Oliveira, Cecilia Geijer, Adam Larsson et al
Other conference contribution
2017

Quantification of the Intracellular Life Time of Water Molecules to Measure Transport Rates of Human Aquaglyceroporins.

Madelene Palmgren, Malin Hernebring, Stefanie Eriksson et al
Journal of Membrane Biology. Vol. 250 (6), p. 629-639
Journal article
2017

Complete genome sequences of the xylose-fermenting Candida intermedia strains CBS 141442 and PYCC 4715

David Moreno, Christian Tellgren-Roth, Lucile Soler et al
Genome Announcements. Vol. 5 (14), p. e0013817-
Journal article
2016

Increasing the tolerance of the non-conventional yeast Candida intermedia to ethanol and lignocellulose-derived inhibitors

David Moreno, Cecilia Geijer, Antonella Carbone et al
4th Symposium on Biotechnology Applied to Lignocelluloses
Conference poster
2015

Effect of oxygen on the fermentation performance of Candida intermedia: a study case for lignocellulosic bioethanol production

David Moreno, Cecilia Geijer, Lisbeth Olsson
32nd International Specialized Symposium on Yeasts
Conference poster
2015

An engineered Saccharomyces cerevisiae for cost-effective lignocellulosic bioethanol production: process performance and physiological insights

David Moreno, Elia Tomas-Pejo, Cecilia Geijer et al
37th Symposium on Biotechnology for Fuels and Chemicals
Conference poster
2015

De novo genome sequencing of the yeast Candida intermedia

Cecilia Geijer, David Moreno, Lisbeth Olsson
32nd International Specialized Symposium on Yeasts
Conference poster
2014

Characterization of a novel non-GMO yeast for future lignocellulosic bioethanol production

Cecilia Geijer, David Moreno, Elia Tomas-Pejo et al
ISSY31: 31ST International Specialised Symposium on Yeast
Other conference contribution
2014

Evolutionary engineered strains of Saccharomyces cerevisiae for efficient lignocellulosic bioethanol production

Cecilia Geijer, Elia Tomas-Pejo, Nicklas Bonander et al
36th Symposium on Biotechnology for Fuels and Chemicals
Conference poster
2014

Isolation and evolution of a novel non-saccharomyces xylose-fermenting strain for lignocellulosic bioethanol production

David Moreno, Cecilia Geijer, Elia Tomas-Pejo et al
ISSY31: 31ST International Specialised Symposium on Yeast
Other conference contribution
2014

Yeast reveals unexpected roles and regulatory features of aquaporins and aquaglyceroporins.

Doryaneh Ahmadpour, Cecilia Geijer, Markus J. Tamás et al
Biochimica et Biophysica Acta - General Subjects. Vol. 1840 (5), p. 1482-1491
Review article
2013

Initiation of the transcriptional response to hyperosmotic shock correlates with the potential for volume recovery.

Cecilia Geijer, Dagmara Medrala Klein, Elzbieta Petelenz-Kurdziel et al
The FEBS journal. Vol. 280 (16), p. 3854-67
Journal article
2012

Time course gene expression profiling of yeast spore germination reveals a network of transcription factors orchestrating the global response

Cecilia Geijer, Ivan Pirkov, Wanwipa Vongsangnak et al
BMC Genomics. Vol. 13 (1), p. artikel nr 554-
Journal article
2012

Yeast Aquaglyceroporins Use the Transmembrane Core to Restrict Glycerol Transport

Cecilia Geijer, Doryaneh Ahmadpour, Madelene Palmgren et al
Journal of Biological Chemistry. Vol. 287 (28), p. 23562-23570
Journal article
2010

Saccharomyces cerevisiae Spore Germination

Cecilia Geijer, Daphna Joseph-Strauss, Gloria Simchen et al
Dormancy and Resistance in Harsh Environments, Topics in Current Genetics, Volume 21/2010; editors: Esther Lubzens, Joan Cerda and Melody Clark, p. 29-41
Book chapter
2010

Functional analysis of the Ashbya gossypii Fps1 homolog

Cecilia Geijer, Karin Lindkvist-Petersson, Stefan Hohmann
FEBS Journal. Vol. 277 (Supplement 1), p. 207-
Conference poster
2009

Investigating protein-protein interaction network of Fps1p glycerol channel

Sylwia Zoltowska, Cecilia Geijer, Madelene Palmgren et al
Abstract book of 19-24.07.2009 24th International Conference on Yeast Genetics and Molecular Biology; Manchester, UK:
Conference poster
2009

Crystal structure of a yeast aquaporin at 1.15 angstrom reveals a novel gating mechanism.

Gerhard Fischer, Urszula Kosinska-Eriksson, Camilo Aponte-Santamaría et al
PLoS Biology. Vol. 7 (6), p. e1000130-
Journal article
2007

Regulatory Mechanism of the Yeast Aquaporin AQY2 Expression Under Osmotic Condition.

Kentaro Furukawa, Frédéric Sidoux-Walter, Cecilia Geijer et al
Abstractbook of the 5th International Conference of Aquaporin, Japan July 2007
Paper in proceeding

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Showing 17 research projects

2024–2027

Odd Chain Fatty Acid production - yeast strain engineering and process development

Cecilia Geijer Industrial Biotechnology
Novo Nordisk Foundation

2023–2025

Tailormade glucuronoxylan-yeast cell factory by CRISPR engineering för precision fermentation of xylan waste streams into valuable bio-products

Cecilia Geijer Industrial Biotechnology
Jonas Ravn Industrial Biotechnology
Novo Nordisk Foundation

2023–2025

Xylose sensors for optimized microbial cell factories

Cecilia Geijer Industrial Biotechnology
Hanna D H Alalam Industrial Biotechnology
Carl Tryggers Stiftelse för Vetenskaplig Forskning

2023–2025

LiMiT - Living Materials to prevenT spoilage of harvested fruits and vegetables

Cecilia Geijer Industrial Biotechnology
Formas

2022–2024

Resource efficient renovation using a 3D printable material from underutilized biomass

Malgorzata Zboinska Architectural theory and methods
Tiina Nypelö Tiina Nypelö Group
Cecilia Geijer Industrial Biotechnology
Yagmur Bektas Architectural theory and methods
Swedish Energy Agency

2022–2024

Yeast - the protein source of the future; Part 2

Marie Alminger Food and Nutrition Science
Cecilia Geijer Industrial Biotechnology
Karin Larsson Food and Nutrition Science
Rikard Fristedt Food and Nutrition Science
Vinnova, Formas, Energimyndigheten

2022–2024

Adlerbertska forskningsstiftelsen 2022

Charlotte Wiberg Chalmers University of Technology
Cecilia Geijer Industrial Biotechnology
Adlerbertska Foundations

2022–2022

Circular bioeconomy development via network establishment between Chalmers and Brazilian Biorenewables National Laboratory

Johan Larsbrink Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
Carl Johan Franzén Industrial Biotechnology
Verena Siewers Systems and Synthetic Biology
Yvonne Nygård Industrial Biotechnology
Cecilia Geijer Industrial Biotechnology
Formas

2021–2025

Upgrading of cellulose fibers into porous materials.Acronym: BreadCell

Tiina Nypelö Applied Chemistry
Cecilia Geijer Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
João Heitor Colombelli Manfrão Netto Industrial Biotechnology
Eliott Jean Quentin Orzan Applied Chemistry
Susanne Ingmansson Extern samverkan, forsknings- och innovationsstöd
European Commission (EC)

7 publications exist
2020–

Yeast cell factories for advanced biofuels and microbial robustness, part 2

Lisbeth Olsson Industrial Biotechnology
Cecilia Geijer Industrial Biotechnology
Chalmers

2019–2021

Xylanolytic enzymes in yeast

Cecilia Geijer Industrial Biotechnology
Sara Casado López Industrial Biotechnology
Johan Larsbrink Industrial Biotechnology
Carl Tryggers Stiftelse för Vetenskaplig Forskning

2019–2020

Efficient cell factory design for production of lignocellulosic biofuels

Cecilia Geijer Industrial Biotechnology
Chalmers

2018–2019

Industrial xylanolytic yeast for lignocellulosic bioethanol production

Iván Francisco Ciklic Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
Cecilia Geijer Industrial Biotechnology
Region Västra Götaland

2017–2020

CRISPR/Cas9 for the lignocellulose-yeast of the future

Fábio Luis Da Silva Faria Oliveira Industrial Biotechnology
Cecilia Geijer Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
Johan Larsbrink Industrial Biotechnology
Venkat Rao Konasani Industrial Biotechnology
ÅForsk
Formas
Swedish Energy Agency

2016–2017

Towards robust and efficient xylose fermentation of lignocellulose into ethanol

Cecilia Geijer Industrial Biotechnology
David Moreno Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
Fábio Luis Da Silva Faria Oliveira Industrial Biotechnology
Swedish Energy Agency

4 publications exist
2014–2015

Attractive non-GMO yeast for the bioethanol industry

Cecilia Geijer Industrial Biotechnology
Lisbeth Olsson Industrial Biotechnology
David Moreno Industrial Biotechnology
Swedish Energy Agency

1 publication exists
2012–2015

Development of efficient xylose fermenting and acid-tolerant yeast strains - a crucial step towards commercial (scale) cellulose-based fuel production!

Lisbeth Olsson Industrial Biotechnology
Maurizio Bettiga Industrial Biotechnology
Cecilia Geijer Industrial Biotechnology
David Moreno Industrial Biotechnology
Lina Lindahl Industrial Biotechnology
Nicklas Bonander Industrial Biotechnology
Swedish Energy Agency
Taurus energy

There might be more projects where Cecilia Geijer participates, but you have to be logged in as a Chalmers employee to see them.