Both Meilingmycin and Nanchangmycin are the fermentation products of Streptomyces nan-changensis, a high yielding strain which yield Meilingmycin only has been screened via cultivation.

• 梅岭霉素和南昌霉素都是南昌链霉素的发酵产物,经菌种选育,得到一种仅高产梅岭霉素的菌株。