Overexpression of the lat gene in Nocardia lactamdurans from strong heterologous promoters results in very high levels of lysine-6-aminotransferase and up to two-fold increase in cephamycin C production

The level of lysine-6-aminotransferase (encoded by the lat gene), an enzyme that commits lysine to the cephamycin biosynthesis pathway, is very low in wild type Nocardia lactamdurans. Two lat overexpression systems (pAMEXlat and pSAFlat) were constructed to express the promoterless lat gene of N. la...

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