Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development

Kuhl M, Rückert C, Glaser L, Beganovic S, Luzhetskyy A, Kalinowski J, Wittmann C (Accepted)
Biotechnology and bioengineering.

Zeitschriftenaufsatz | Angenommen | Englisch
 
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Autor*in
Kuhl, Martin; Rückert, ChristianUniBi ; Glaser, Lars; Beganovic, Selma; Luzhetskyy, Andriy; Kalinowski, JörnUniBi; Wittmann, Christoph
Abstract / Bemerkung
Actinobacteria provide a rich spectrum of bioactive natural products and therefore display an invaluable source towards commercially valuable pharmaceuticals and agrochemicals. Here, we studied the use of inorganic talc microparticles (hydrous magnesium silicate, 3MgO·4SiO2·H2O, 10 m) as a general supplement to enhance natural product formation in this important class of bacteria. Added to cultures of recombinant Streptomyces lividans, talc enhanced production of the macrocyclic peptide antibiotic bottromycin A2 and its methylated derivative Met-bottromycin A2 up to 109 mg L-1 , the highest titer reported so far. Hereby, the microparticles fundamentally affected metabolism. With 10 g L-1 talc, S. lividans grew to 40% smaller pellets and, using RNA sequencing, revealed accelerated morphogenesis and aging, indicated by early upregulation of developmental regulator genes such as ssgA, ssgB, wblA, sigN and bldN. Furthermore, the microparticles re-balanced the expression of individual bottromycin cluster genes, resulting in a higher macrocyclization efficiency at the level of BotAH and correspondingly lower levels of non-cyclized shunt by-products, driving the production of mature bottromycin. Testing a variety of Streptomyces species, talc addition resulted in up to 13-fold higher titers for the RiPPs bottromycin and cinnamycin, the alkaloid undecylprodigiosin, the polyketide pamamycin, the tetracycline-type oxytetracycline, and the anthramycin-analogues usabamycins. Moreover, talc addition boosted production in other actinobacteria, outside of the genus of Streptomyces: vancomycin (Amycolatopsis japonicum DSM 44213), teicoplanin (Actinoplanes teichomyceticus ATCC 31121), and the angucyclinone-type antibiotic simocyclinone (Kitasatospora sp.). For teicoplanin, the microparticles were even crucial to activate production. Taken together, the use of talc was beneficial in 75% of all tested cases and optimized natural and heterologous hosts forming the substance of interest with clusters under native and synthetic control. Given its simplicity and broad benefits, microparticle-supplementation appears as an enabling technology in natural product research of these most important microbes. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.
Erscheinungsjahr
2021
Zeitschriftentitel
Biotechnology and bioengineering
eISSN
1097-0290
Page URI
https://pub.uni-bielefeld.de/record/2954831

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Kuhl M, Rückert C, Glaser L, et al. Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development. Biotechnology and bioengineering. Accepted.
Kuhl, M., Rückert, C., Glaser, L., Beganovic, S., Luzhetskyy, A., Kalinowski, J., & Wittmann, C. (Accepted). Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development. Biotechnology and bioengineering. https://doi.org/10.1002/bit.27818
Kuhl, Martin, Rückert, Christian, Glaser, Lars, Beganovic, Selma, Luzhetskyy, Andriy, Kalinowski, Jörn, and Wittmann, Christoph. Accepted. “Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development”. Biotechnology and bioengineering.
Kuhl, M., Rückert, C., Glaser, L., Beganovic, S., Luzhetskyy, A., Kalinowski, J., and Wittmann, C. (Accepted). Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development. Biotechnology and bioengineering.
Kuhl, M., et al., Accepted. Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development. Biotechnology and bioengineering.
M. Kuhl, et al., “Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development”, Biotechnology and bioengineering, Accepted.
Kuhl, M., Rückert, C., Glaser, L., Beganovic, S., Luzhetskyy, A., Kalinowski, J., Wittmann, C.: Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development. Biotechnology and bioengineering. (Accepted).
Kuhl, Martin, Rückert, Christian, Glaser, Lars, Beganovic, Selma, Luzhetskyy, Andriy, Kalinowski, Jörn, and Wittmann, Christoph. “Microparticles enhance the formation of seven major classes of natural products in native and metabolically engineered actinobacteria through accelerated morphological development”. Biotechnology and bioengineering (Accepted).

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