Positive selection for mutations affecting bioconversion of aromatic compounds in Agrobacterium tumefaciens: analysis of spontaneous mutations in the protocatechuate 3,4-dioxygenase gene.

Abstract excerpt

A positive selection method for mutations affecting bioconversion of aromatic compounds was applied to a mutant strain of Agrobacterium tumefaciens A348. The nucleotide sequence of the A348 pcaHGB genes, which encode protocatechuate 3,4-dioxygenase (PcaHG) and beta-carboxy-cis,cis-muconate cycloi...

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