Stenotrophomonas

A genus of Gram-negative bacilli that typically reside in soil and water and are not a part of normal human flora.

- S. maltophilia an opportunistic ocular bacterial pathogen producing keratitis, keratopathy, and conjuntivitis; a Gram-negative nonsporebearing rod, a major emerging nosocomial pathogen, it is of especial importance in intensive care units in part because of its resistance to most penicillins and to cephalosporins and aminoglycosides. Formerly called Xanthomonas maltophilia and Pseudomonas maltophilia.

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Steno·tro·pho·mo·nas (sten″o-tro″fo-moґnəs) [steno- + tropho- + Gr. monas unit, from monos single] a genus of gram-negative, β-lactamase–producing bacteria of the family Xanthomonadaceae, consisting of aerobic, nonfermentative, chemo-organotrophic, straight or curved rods that are motile by two or more flagella and occur singly or in pairs; organisms are typically soil and water inhabitants. The type species is S. maltophiґlia.