Vision

Concept

The basic principle of our switches are short RNA sequences, the scientific idea shares similiarities with the principle of antitermination but also inherits a completely new way of RNA based transcription regulation. We used three-dimensional structure predictions and thermodynamic calculation to develop a set of switches - about 50 nucleotides - and signals - about 20 nucleotides. The switch forms a stem loop causing transcription termination, which can be resolved upon binding of a signal. On/off switching can therefore be easily controlled by signal avaiability and provides a new concept to control gene transcription. Read more

Network construction

Designing complex biological networks based on either traditional protein engineering or our new bioLOGICS is still a complex task. We developed a software which allows the fast construction of a bioLOGICS based networks.

Work Progress

Every network starts with a basic unit. While our declared aim is to enable networks allowing fine-tuning of gene expression beyond the regular on/off, exploring such an on/off switch/signal pair is the first step towards a functional network. We constructed several units and tested their efficiency, robustness and reproducibility in vivo, in vitro and in silico. Furthermore we developed a software which allows easy constructions of networks delivering a ready network. Conclusive elaboration of a few first RNA-based logic units is the major contribution of our iGEM team.

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