The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry

Senges CHR, Al-Dilaimi A, Marchbank DH, Wibberg D, Winkler A, Haltli B, Nowrousian M, Kalinowski J, Kerr RG, Bandow JE (2018)
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115(10): 2490-2495.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Actinomycetes are known for producing diverse secondary metabolites. Combining genomics with untargeted data-dependent tandem MS and molecular networking, we characterized the secreted metabolome of the tunicamycin producer Streptomyces chartreusis NRRL 3882. The genome harbors 128 predicted biosynthetic gene clusters. We detected > 1,000 distinct secreted metabolites in culture supernatants, only 22 of which were identified based on standards and public spectral libraries. S. chartreusis adapts the secreted metabolome to cultivation conditions. A number of metabolites are produced iron dependently, among them 17 desferrioxamine siderophores aiding in iron acquisition. Eight previously unknown members of this long-known compound class are described. A single desferrioxamine synthesis gene cluster was detected in the genome, yet different sets of desferrioxamines are produced in different media. Additionally, a polyether ionophore, differentially produced by the calcimycin biosynthesis cluster, was discovered. This illustrates that metabolite output of a single biosynthetic machine can be exquisitely regulated not only with regard to product quantity but also with regard to product range. Compared with chemically defined medium, in complex medium, total metabolite abundancewas higher, structural diversity greater, and the average molecular weight almost doubled. Tunicamycins, for example, were only produced in complex medium. Extrapolating from this study, we anticipate that the larger part of bacterial chemistry, including chemical structures, ecological functions, and pharmacological potential, is yet to be uncovered.
Stichworte
metabolomics; secondary metabolites; antibiotics; siderophores
Erscheinungsjahr
2018
Zeitschriftentitel
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Band
115
Ausgabe
10
Seite(n)
2490-2495
ISSN
0027-8424
Page URI
https://pub.uni-bielefeld.de/record/2919058

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Senges CHR, Al-Dilaimi A, Marchbank DH, et al. The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 2018;115(10):2490-2495.
Senges, C. H. R., Al-Dilaimi, A., Marchbank, D. H., Wibberg, D., Winkler, A., Haltli, B., Nowrousian, M., et al. (2018). The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 115(10), 2490-2495. doi:10.1073/pnas.1715713115
Senges, C. H. R., Al-Dilaimi, A., Marchbank, D. H., Wibberg, D., Winkler, A., Haltli, B., Nowrousian, M., Kalinowski, J., Kerr, R. G., and Bandow, J. E. (2018). The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115, 2490-2495.
Senges, C.H.R., et al., 2018. The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 115(10), p 2490-2495.
C.H.R. Senges, et al., “The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry”, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. 115, 2018, pp. 2490-2495.
Senges, C.H.R., Al-Dilaimi, A., Marchbank, D.H., Wibberg, D., Winkler, A., Haltli, B., Nowrousian, M., Kalinowski, J., Kerr, R.G., Bandow, J.E.: The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 115, 2490-2495 (2018).
Senges, Christoph H. R., Al-Dilaimi, Arwa, Marchbank, Douglas H., Wibberg, Daniel, Winkler, Anika, Haltli, Brad, Nowrousian, Minou, Kalinowski, Jörn, Kerr, Russell G., and Bandow, Julia E. “The secreted metabolome of Streptomyces chartreusis and implications for bacterial chemistry”. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.10 (2018): 2490-2495.

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