WELCOME TO THE Molecular Biology of Metabolism Group

 

 

 

 

 

 

 

 

 

 

For a long time, metabolism has been viewed as a static series of biochemical reactions. Recent research however reveals that cellular metabolism is indeed highly dynamic, and is implicated in many biologically important phenomena, such as ageing, cellular robustness, and adaptation to ever changing environments. These properties bring metabolism center-stage both for developing therapies against cancer and neurodegenerative disorders and for understanding the ageing process.

We investigate regulatory functions of the metabolic network and how its dynamics are maintained. A model situation where the metabolome has regulatory function is the adaptation to stress conditions. When cells are exposed to oxidants, when cells age or when a cancer cell starts proliferation, their metabolism changes. We found that under those conditions the metabolic network can reconfigure very quickly, and that metabolism can temporarily adjust without requiring regulation at the transcriptome and proteome layer. There is also evidence that these quick metabolic adjustments can be involved in the induction of transcriptional stress responses.

We address these questions often in the yeast Saccharomyces cerevisiae. Working with this single-cellular eukaryote removes some complexity from our investigations, as a plethora of genetic and biochemical techniques are available, reducing bias from altered metabolic activity that is found in cell culture systems, allowing us to work with hundreds of mutants in parallel. To study the metabolic network, we use quantitative mass spectrometry coupled to high-pressure and/or nano-flow liquid chromatography for targeted analysis of proteins and small molecules.

Our research team was founded as the 'Molecular Biology of Metabolism group' at the Department of Vertebrate Genomics , Max Planck Institute for Molecular Genetics in Berlin in 2007, before moving to the Department of Biochemistry and Cambridge Systems Biology Centre, University of Cambridge. Although our mass spectrometry and yeast laboratory are located in Cambridge, the Computational Biology team is located at the MRC-NIMR in London.

 

 

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Last update: 05/11/2013