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Title

Metabolite induction via microorganism co-culture: A potential way to enhance chemical diversity for drug discovery

Authors
Schnee, Sylvain
Gindro, Katia
Published in Biotechnology Advances. 2014, vol. 32, no. 6, p. 1180-1204
Abstract Microorganisms have a long track record as important sources of novel bioactive natural products, particularly in the field of drug discovery. While microbes have been shown to biosynthesize a wide array of molecules, recent advances in genome sequencing have revealed that such organisms have the potential to yield even more structurally diverse secondary metabolites. Thus, many microbial gene clusters may be silent under standard laboratory growth conditions. In the last ten years, several methods have been developed to aid in the activation of these cryptic biosynthetic pathways. In addition to the techniques that demand prior knowledge of the genome sequences of the studied microorganisms, several genome sequence-independent tools have been developed. One of these approaches is microorganism co-culture, involving the cultivation of two or more microorganisms in the same confined environment. Microorganism co-culture is inspired by the natural microbe communities that are omnipresent in nature. Within these communities, microbes interact through signaling or defense molecules. Such compounds, produced dynamically, are of potential interest as new leads for drug discovery. Microorganism co-culture can be achieved in either solid or liquid media and has recently been used increasingly extensively to study natural interactions and discover new bioactive metabolites. Because of the complexity of microbial extracts, advanced analytical methods (e.g., mass spectrometry methods and metabolomics) are key for the successful detection and identification of co-culture-induced metabolites. This review focuses on co-culture studies that aim to increase the diversity of metabolites obtained from microbes. The various strategies are summarized with a special emphasis on the multiple methods of performing co-culture experiments. The analytical approaches for studying these interaction phenomena are discussed, and the chemical diversity and biological activity observed among the induced metabolites are described.
Keywords Mixed fermentationCo-cultureNatural productsInterspecies communicationGene cluster activationMicroorganismsMass spectrometryMetabolomicsMicrobiomeAntimicrobials
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Research group Phytochimie et produits naturels bioactifs
Projects FNS: CRSII3_127187
FNS: CR23I3_143733/1
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BERTRAND, Samuel et al. Metabolite induction via microorganism co-culture: A potential way to enhance chemical diversity for drug discovery. In: Biotechnology Advances, 2014, vol. 32, n° 6, p. 1180-1204. https://archive-ouverte.unige.ch/unige:35400

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Deposited on : 2014-04-07

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