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. 2009 May 22;191(15):4916–4923. doi: 10.1128/JB.00407-09

FIG. 4.

FIG. 4.

Summary of the reactions of BpsA and BpsB. BpsA catalyzes the synthesis of alkylpyrones and alkylresorcinols. The main in vivo products produced by B. subtilis carrying bpsA are triketide pyrones, and those produced by B. subtilis carrying both bpsA and bpsB are their methyl ethers. This major pathway is highlighted with thick arrows and squares. Small amounts of tetraketide pyrones and resorcinols also are produced as by-products.