Abstract
LC/MS-based chemical profiling of a ginseng farm soil-derived actinomycete strain, Streptomyces sp. BYK1371, enabled the discovery of two new cyclic heptapeptides, depsidomycins B and C (1 and 2), each containing two piperazic acid units and a formyl group at their N-terminus. The structures of 1 and 2 were elucidated by a combination of spectroscopic and chemical analyses. These new compounds were determined to possess D-leucine, D-threonine, D-valine, and S-piperazic acid based on the advanced Marfey’s method and a GITC (2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate) derivatization of their hydrolysates, followed by LC/MS analysis. Depsidomycins B and C displayed significant antimetastatic activities against metastatic breast cancer cells (MDA-MB-231).
| Original language | English |
|---|---|
| Article number | 1266 |
| Journal | Molecules |
| Volume | 23 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2018 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Actinomycete
- Antimetastatic
- Cyclic peptide
- Farm soil
- Streptomyces sp.
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