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New natural products identified by combined genomics-metabolomics profiling of marine Streptomyces sp. MP131-18
Paulus, C.; Rebets, Y.; Tokovenko, B.; Nadmid, S.; Terekhova, L.P.; Myronovskyi, M.; Zotchev, S.B.; Rückert, C.; Braig, S.; Zahler, S.; Kalinowski, J.; Luzhetskyy, A. (2017). New natural products identified by combined genomics-metabolomics profiling of marine Streptomyces sp. MP131-18. NPG Scientific Reports 7(42382): 11 pp. http://hdl.handle.net/10.1038/srep42382
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Paulus, C.
  • Rebets, Y.
  • Tokovenko, B.
  • Nadmid, S.
  • Terekhova, L.P.
  • Myronovskyi, M.
  • Zotchev, S.B.
  • Rückert, C.
  • Braig, S.
  • Zahler, S.
  • Kalinowski, J.
  • Luzhetskyy, A.

Abstract
    Marine actinobacteria are drawing more and more attention as a promising source of new natural products. Here we report isolation, genome sequencing and metabolic profiling of new strain Streptomyces sp. MP131-18 isolated from marine sediment sample collected in the Trondheim Fjord, Norway. The 16S rRNA and multilocus phylogenetic analysis showed that MP131-18 belongs to the genus Streptomyces. The genome of MP131-18 isolate was sequenced, and 36 gene clusters involved in the biosynthesis of 18 different types of secondary metabolites were predicted using antiSMASH analysis. The combined genomics-metabolics profiling of the strain led to the identification of several new biologically active compounds. As a result, the family of bisindole pyrroles spiroindimicins was extended with two new members, spiroindimicins E and F. Furthermore, prediction of the biosynthetic pathway for unusual alpha-pyrone lagunapyrone isolated from MP131-18 resulted in foresight and identification of two new compounds of this family - lagunapyrones D and E. The diversity of identified and predicted compounds from Streptomyces sp. MP131-18 demonstrates that marine-derived actinomycetes are not only a promising source of new natural products, but also represent a valuable pool of genes for combinatorial biosynthesis of secondary metabolites.

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