A phage,named KS461-2,was separated from the abnormal fermentation liquid of Pseudomonas fluorescens A46 strain which produced 2-keto-D-gluconic acid.

• 从2-酮基-D-葡萄糖酸产生菌荧光假单胞菌A46异常发酵液中分离得到1种噬菌体,将其命名为KS461-2。