沈如飛、楊春曉、羅曉梅、楊婷玉、周嘉麗、劉雅妮、施少軍*
????????NDPK?????????????????????????????????????????????? NDPK ???????????????????? NDPK ????????????????????????????????????? NDPK ?????????NDPK????????????????? 500 ???????250 ??????? 250 ???????? NDPK ????????????? pH ??????? NDPK ??? 30-45°C ? pH 6.0-9.0 ???????????????????????Km???????????Vmax????????????????????????????dATP??????dADP?Vmax??Km???????dGTP?Km??Vmax??????? NDPK ??????? 7 ??????????????????????????NDPK????????????P<0.05?????????????????????? NDPK ???????? (P<0.001)????NDPK ??????? NDPK ???????????????????????????? NDPK ????????????????????????????? NDPK ?????