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Engineering de novo production of chlorinated polyketides in Pseudomonas putida

Project description

Efficient catalysts with living bacteria for new drug precursors

Sustainable economic development demands new biocatalysts. Halogenated compounds, key products with multiple biological activities and applications, are exclusively obtained via traditional chemistry. Selective halogenation is a key strategy to modify drug properties. Currently, 30 % of drugs in clinical trials are halogenated, and 85 % of all pharmaceutical agents involve chlorine. The EU-funded DONNA project aims at the bio-based production of chlorinated metabolites via metabolic engineering of the model bacterium Pseudomonas putida. A roadmap towards a re-factored version of the microorganism will be established. Chlorinated metabolites will be funneled into new-to-nature polyketides by re-programmed polyketide synthases enzymes. The portfolio of halogenated molecules from these cell factories will contribute to the European knowledge-based bio-economy, enhancing competitiveness and benefiting the society as a whole.

Objective

Sustainable economic development requires new biocatalysts to carry out novel, selective synthesis reactions in an environmentally-friendly fashion. Halogenated organic compounds, key products due to their multiple biological activities and industrial applications, continue to be produced via traditional chemistry and their efficient and cost-effective biosynthesis has not been yet achieved. In the present project, rooted in Metabolic Engineering and Synthetic Biology approaches, I will undertake a complete genetic and metabolic engineering of the model bacterium Pseudomonas putida KT2440 to create a platform for the bio-based production of chlorinated polyketides à la carte, which will contribute to the design of new drug analogues. I will establish and implement a clear roadmap from the extant bacterium to a re-factored version of the microorganism capable of efficiently producing chlorinated precursors, which will be channeled to the synthesis of new-to-nature chlorinated polyketides by reprogrammed modular polyketide synthases enzymes. Furthermore, the broad portfolio of halogenated molecules that can be synthetized with the cell factories from this project will contribute to the European knowledge-based bio-economy, enhance the EU's competitiveness in White Biotechnology and benefit the society as a whole. From a personal perspective, the implementation of this challenging and innovative project in The Novo Nordisk Foundation Center for Biosustainability (DTU Biosustain, the ideal scientific environment to pursue the tasks of DONNA), under the supervision of Dr. Pablo I. Nikel (an expert in the field of Metabolic Engineering of Pseudomonas), will be an unbeatable opportunity for both my professional and personal development. My solid scientific background, on the other hand, ensures a smooth progression as an independent researcher in the field of Metabolic Engineering that will result in a win-win situation for myself and the receiving laboratory.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF-EF-ST - Standard EF

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Call for proposal

(opens in new window) H2020-MSCA-IF-2018

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Coordinator

DANMARKS TEKNISKE UNIVERSITET
Net EU contribution
€ 207 312,00
Address
ANKER ENGELUNDS VEJ 101
2800 Kongens Lyngby
Denmark
Region
Danmark Hovedstaden Københavns omegn
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 207 312,00