The changes in GS and NADH-GOGAT activities in these tissues suggest that the cytosolic GS-NADH-GOGAT cycle may be the main pathway for ammonium assimilation.

• 实验结果提示，这些不同组织中的GS与NADH-GOGAT构成的循环途径也许是水稻种子萌发时氨同化的主要途径。