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Direct Pathway Cloning of Neglected Bacteria in the Hunt for Novel (Bio-)Chemistry

Direct Pathway Cloning of Neglected Bacteria in the Hunt for Novel (Bio-)Chemistry

Objective

To overcome recent global health threats, such as antibiotic resistance, a resurgence in the discovery of new chemical and thus biomedical diversity from microbial sources is needed. Genome mining in combination with heterologous expression is an approach that will overcome these challenges. It involves incorporation of yet uncharacterized natural product genetic loci into a fast growing heterologous host. For this approach, a prolific source of novel natural product gene clusters is vital. Our collaboration with the Zentralinstitut für Ernährungs- und Lebensmittelforschung (ZIEL, Technische Universität München) provides direct access to bacterial isolates completely unexplored in regards to their potential for natural product biosynthesis. Our genome analyses have revealed that many of the ZIEL isolates harbor a large number of uncharacterized natural product gene clusters. Thus, the aim of this proposal is to heterologously express natural product gene clusters from these neglected bacteria to discover novel natural product (bio-)chemistry. Because these organisms are poorly studied, the likelihood of discovering rare or novel biochemistry is immensely increased. Here, we will utilise a novel combination of synthetic biology techniques referred to as Direct Pathway Cloning. This will enable expression vectors to be constructed by large-amplicon PCR (up to 20kb) coupled to Gibson assembly. Development of the methodology is set to revolutionise synthetic biology and metabolic engineering. Downstream outcomes of this proposal will be the identification of novel, potentially bioactive natural products, the characterisation of unusual biochemistry and the addition of enzymes to the ‘biocatalytic toolkit’ for natural product synthesis and structural alteration.
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Coordinator

TECHNISCHE UNIVERSITAET MUENCHEN

Address

Arcisstrasse 21
80333 Muenchen

Germany

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 159 460,80

Project information

Grant agreement ID: 745435

Status

Ongoing project

  • Start date

    1 September 2017

  • End date

    31 August 2019

Funded under:

H2020-EU.1.3.2.

  • Overall budget:

    € 159 460,80

  • EU contribution

    € 159 460,80

Coordinated by:

TECHNISCHE UNIVERSITAET MUENCHEN

Germany