Abstract
The aroA locus of the Gram- pathogen Dichelobacter nodosus, which encodes 5-enolpyruvylshikimate 3-phosphate (EPSP) synthase, has been sequenced and expressed in Escherichia coli. The gene is located on a 1.48-kb DraI-HindIII fragment located directly upstream and in opposite transcriptional orientation to the gene encoding the fimbrial structural subunit. The deduced open reading frame is 1329 nucleotides in length, which encodes a protein of 443 amino acids (aa) with a calculated M(r) of 47,413, which was visualized in E. coli minicells, under the control of its native promoter. This derived aa sequence displays significant similarities with the sequences of the aroA gene products from a variety of microorganisms.
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