Metabolic and evolutionary origin of actin-binding polyketides from diverse organisms.

Metabolic and evolutionary origin of actin-binding polyketides from diverse organisms.
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DOI:
10.1038/nchembio.1870
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发表时间:
2015-09
影响因子:
14.8
通讯作者:
Piel J
Piel J
中科院分区:
生物学1区
文献类型:
--
作者:
Ueoka R;Uria AR;Reiter S;Mori T;Karbaum P;Peters EE;Helfrich EJ;Morinaka BI;Gugger M;Takeyama H;Matsunaga S;Piel J

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Actin-targeting macrolides comprise a large, structurally diverse group of cytotoxins isolated from remarkably dissimilar micro- and macroorganisms. In spite of their disparate origins and structures, many of these compounds bind actin at the same site and exhibit intriguing structural relationships reminiscent of modular, combinatorial drug libraries. Here we investigate biosynthesis and evolution of three compound groups, misakinolides/swinholides, tolytoxin/scytophycins, and luminaolides. For misakinolides from the sponge Theonella swinhoei WA, our data suggest production by an uncultivated 'Entotheonella' symbiont, further supporting the relevance of these bacteria as sources of bioactive polyketides and peptides in sponges. Insights into misakinolide biosynthesis permitted targeted genome mining for other members, providing a cyanobacterial luminaolide producer as the first cultivated source for this dimeric compound family. The data indicate that this polyketide family is bacteria-derived and that the unusual macrolide diversity is the result of combinatorial pathway modularity for some compounds and of convergent evolution for others.
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发表时间: 2009-11-25
影响因子: 1.8
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期刊: CHEMBIOCHEM
影响因子: 3.2
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