Engineering and application of a biosensor with focused ligand specificity

Della Corte D, van Beek HL, Syberg F, Schallmey M, Tobola F, Cormann KU, Schlicker C, Baumann PT, Krumbach K, Sokolowsky S, Morris CJ, et al. (2020)
Nature communications 11(1): 4851.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Della Corte, Dennis; van Beek, Hugo L; Syberg, Falk; Schallmey, Marcus; Tobola, Felix; Cormann, Kai U; Schlicker, Christine; Baumann, Philipp T; Krumbach, Karin; Sokolowsky, Sascha; Morris, Connor J; Grünberger, AlexanderUniBi
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Abstract / Bemerkung
Cell factories converting bio-based precursors to chemicals present an attractive avenue to a sustainable economy, yet screening of genetically diverse strain libraries to identify the best-performing whole-cell biocatalysts is a low-throughput endeavor. For this reason, transcriptional biosensors attract attention as they allow the screening of vast libraries when used in combination with fluorescence-activated cell sorting (FACS). However, broad ligand specificity of transcriptional regulators (TRs) often prohibits the development of such ultra-high-throughput screens. Here, we solve the structure of the TR LysG of Corynebacterium glutamicum, which detects all three basic amino acids. Based on this information, we follow a semi-rational engineering approach using a FACS-based screening/counterscreening strategy to generate an L-lysine insensitive LysG-based biosensor. This biosensor can be used to isolate L-histidine-producing strains by FACS, showing that TR engineering towards a more focused ligand spectrum can expand the scope of application of such metabolite sensors.
Erscheinungsjahr
2020
Zeitschriftentitel
Nature communications
Band
11
Ausgabe
1
Art.-Nr.
4851
eISSN
2041-1723
Page URI
https://pub.uni-bielefeld.de/record/2946333

Zitieren

Della Corte D, van Beek HL, Syberg F, et al. Engineering and application of a biosensor with focused ligand specificity. Nature communications. 2020;11(1): 4851.
Della Corte, D., van Beek, H. L., Syberg, F., Schallmey, M., Tobola, F., Cormann, K. U., Schlicker, C., et al. (2020). Engineering and application of a biosensor with focused ligand specificity. Nature communications, 11(1), 4851. doi:10.1038/s41467-020-18400-0
Della Corte, D., van Beek, H. L., Syberg, F., Schallmey, M., Tobola, F., Cormann, K. U., Schlicker, C., Baumann, P. T., Krumbach, K., Sokolowsky, S., et al. (2020). Engineering and application of a biosensor with focused ligand specificity. Nature communications 11:4851.
Della Corte, D., et al., 2020. Engineering and application of a biosensor with focused ligand specificity. Nature communications, 11(1): 4851.
D. Della Corte, et al., “Engineering and application of a biosensor with focused ligand specificity”, Nature communications, vol. 11, 2020, : 4851.
Della Corte, D., van Beek, H.L., Syberg, F., Schallmey, M., Tobola, F., Cormann, K.U., Schlicker, C., Baumann, P.T., Krumbach, K., Sokolowsky, S., Morris, C.J., Grünberger, A., Hofmann, E., Schroder, G.F., Marienhagen, J.: Engineering and application of a biosensor with focused ligand specificity. Nature communications. 11, : 4851 (2020).
Della Corte, Dennis, van Beek, Hugo L, Syberg, Falk, Schallmey, Marcus, Tobola, Felix, Cormann, Kai U, Schlicker, Christine, Baumann, Philipp T, Krumbach, Karin, Sokolowsky, Sascha, Morris, Connor J, Grünberger, Alexander, Hofmann, Eckhard, Schroder, Gunnar F, and Marienhagen, Jan. “Engineering and application of a biosensor with focused ligand specificity”. Nature communications 11.1 (2020): 4851.

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