Abstract
All of the genetic elements necessary for the production of the antibiotic methylenomycin (Mm) and its regulation are contained within the 22-kb mmy-mmf gene cluster, which is located on the 356-kb linear plasmid SCP1 of Streptomyces coelicolor A3( 2 ). A putative operon of 3 genes within this gene cluster, mmfLHP , was proposed to direct the biosynthesis of an A-factor-like signaling molecule, which could play a role in the regulation of Mm biosynthesis. The mmfLHP operon was expressed under the control of its native promoter in S. coelicolor M512, a host lacking the SCP1 plasmid, and the ability to produce prodiginine and actinorhodin antibiotics. Comparative metabolic profiling led to the identification and structure elucidation of a family of 5 new 2-alkyl-4-hydroxymethylfuran-3-carboxylic acids (AHFCAs), collectively termed Mm furans (MMFs), as the products of the mmfLHP genes. MMFs specifically induce the production of the Mm antibiotics in S. coelicolor . Comparative genomics analyses and searches of the natural product chemistry literature indicated that other streptomycetes may produce AHFCAs, suggesting that they could form a general class of antibiotic biosynthesis inducers in Streptomyces species, with analogous functions to the better known γ-butyrolactone regulatory molecules.
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Dates
Type | When |
---|---|
Created | 16 years, 9 months ago (Nov. 6, 2008, 9:25 p.m.) |
Deposited | 3 years, 4 months ago (April 12, 2022, 5:15 p.m.) |
Indexed | 6 days, 5 hours ago (Aug. 21, 2025, 12:50 p.m.) |
Issued | 16 years, 9 months ago (Nov. 11, 2008) |
Published | 16 years, 9 months ago (Nov. 11, 2008) |
Published Online | 16 years, 9 months ago (Nov. 11, 2008) |
Published Print | 16 years, 9 months ago (Nov. 11, 2008) |
@article{Corre_2008, title={2-Alkyl-4-hydroxymethylfuran-3-carboxylic acids, antibiotic production inducers discovered by Streptomyces coelicolor genome mining}, volume={105}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.0805530105}, DOI={10.1073/pnas.0805530105}, number={45}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Corre, Christophe and Song, Lijiang and O’Rourke, Sean and Chater, Keith F. and Challis, Gregory L.}, year={2008}, month=nov, pages={17510–17515} }