Reprogramming Resin Chemistry. Streptomyces as a Living Chiral Factory for Abietic Acid Diversification

This study demonstrates the use of Streptomyces as a whole-cell biocatalyst to selectively oxidize abietic acid into multiple structurally distinct derivatives. By leveraging native oxidative enzymes, the platform achieves regio- and stereoselective functionalization of a challenging diterpenoid substrate, expanding its chemical diversity beyond the reach of conventional synthesis. The work establishes a practical biotransformation approach using pre-grown cultures, addressing key constraints such as substrate hydrophobicity and cellular toxicity. Although not yet optimized for industrial productivity, the study confirms the feasibility of generating diverse, well-defined products from a low-cost renewable feedstock. This positions abietic acid as a viable starting material for high-value applications in pharmaceuticals and specialty chemicals, while highlighting a scalable “resin-to-scaffold” strategy for future biocatalysis-driven innovation.

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