The aldehyde reductase(ALR) and glucose dehydrogenase(GDH) was purified from recombinant M15 (pQE30-ALR) and M15 (pQE30-gdh223) cells, respectively, and the kinetics of enzyme catalyzed reaction was studied.

• coli M15(pQE30-gdh223)和M15(pQE30-gdh151)。