Any of various gram - negative, rod - shaped, mostly aerobic flagellated bacteria of the phylum Pseudomonad, commonly found in soil, water, and decaying matter and including some plant and animal pathogens.

• 假单胞菌任一种革兰氏阳性杆状的假单菌门雷氧鞭毛虫细菌，一般见于土壤、水、腐败物，还有一些植物和动物的病原体中