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Umezawamides, new bioactive polycyclic tetramate macrolactams isolated from a combined-culture of Umezawaea sp. and mycolic acid-containing bacterium.

Authors :
Hoshino S
Wong CP
Ozeki M
Zhang H
Hayashi F
Awakawa T
Asamizu S
Onaka H
Abe I
Source :
The Journal of antibiotics [J Antibiot (Tokyo)] 2018 Jul; Vol. 71 (7), pp. 653-657. Date of Electronic Publication: 2018 Mar 14.
Publication Year :
2018

Abstract

New polycyclic tetramate macrolactams, Umezawamides A (1) and B (2) were isolated from a combined-culture of Umezawaea sp. RD066910 and mycolic-acid containing bacterium Tsukamurella pulmonis TP-B0596. Their planar structures and partial stereochemistries were determined based on the spectroscopic analysis, MMFF conformational search, and ECD calculations. Umezawamides are the first secondary metabolites isolated from the genus Umezawaea and they exhibited cytotoxicities to P388 murine leukemia cells. Furthermore, umezawamide A (1) showed growth inhibitory activity against Candida albicans.

Details

Language :
English
ISSN :
1881-1469
Volume :
71
Issue :
7
Database :
MEDLINE
Journal :
The Journal of antibiotics
Publication Type :
Academic Journal
Accession number :
29540776
Full Text :
https://doi.org/10.1038/s41429-018-0040-4