<unk>  is an aerobic, nonfermentative,  Gram-negative bacterium which cause uncommon but difficult to treat infections in humans. Initially classified as Pseudomonas<unk> ,<unk>  was also grouped in the genus Xanthomonas before eventually becoming the type species of the genus<unk>  in 1993.
Stenotrophomonas maltophilia
Pseudomonas aeruginosa
Acinetobacter baumannii
Legionella micdadei
Bacillus anthracis
Burkholderia pseudomallei
Mycobacterium smegmatis
Pseudomonas