Chapter title |
Engineering Green-light-responsive Heterologous Gene Expression in Pseudomonas.
|
---|---|
Chapter number | 3 |
Book title |
Pseudomonas aeruginosa
|
Published in |
Methods in molecular biology, January 2024
|
DOI | 10.1007/978-1-0716-3473-8_3 |
Pubmed ID | |
Book ISBNs |
978-1-07-163472-1, 978-1-07-163473-8
|
Authors |
Hueso-Gil, Angeles, Calles, Belén, de Lorenzo, Víctor |
Abstract |
Engineering bacterial properties requires precision and fine-tuning for optimal control of the desired application. In consequence, it is essential to accurately turn the function of interest from OFF to ON state and vice versa, avoiding any type of residual activation. For this type of purpose, light switches have revealed a clean and powerful tool in which control does not depend on the addition of chemical compounds that may remain in the media. To reach this degree of directed regulation through light, the switch based on the cyanobacterial two-component system CcaSR system was previously adapted to manipulate Pseudomonas putida for transcription of a gene of interest. In this chapter, we describe how to induce biofilm formation by placing the expression of the c-di-GMP-producing diguanylate cyclase PleD from Caulobacter sp. under the control of the CcaSR system. The regulation through optogenetics accomplished with this protocol promotes higher exploitation of biofilm beneficial features in a cheaper and cleaner way compared to chemical induction. |
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