Stigmatella aurantiaca Sg a15 carries genes encoding type I and type II 3-deoxy-D-arabino-heptulosonate-7-phosphate synthases: involvement of a type II synthase in aurachin biosynthesis.

Abstract excerpt

3-Deoxy-D-arabino-heptulosonate-7-phosphate (DAHP) synthases catalyse the first step of the shikimate pathway. Two unrelated DAHP synthase types have been described in plants and bacteria. Two type II (aroA(A2) and aroA(A5)) and one type I DAHP synthase gene (aroA001) were identified from the myxobacterium Stigmatella aurantiaca Sg a15. Inactivation of aroA(A5) leads to a mutant that is impaired in the...

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