CHARLES W. MAGNUSON, M.D.; HARRY R. ELSTON, M.S.
Although nonchromogenic Serratia marcescens strains have long been known to exist, reports of their isolation from patients have been infrequent. As standard bacteriologic techniques are used to distinguish this organism from the more closely related enteric bacilli, they will be recognized more often in various clinical specimens. The organisms have been referred to in the past as Chromobacterium prodigiosum or Bacillus prodigiosus. They are actively motile, nonsporulating, gram-negative rods. Pigmented or unpigmented colonies may occur in cultures. Usually they are found in water, soil, or as contaminates in foods. In man and animals, they may exist as transitory inhabitants, and
MAGNUSON CW, ELSTON HR. Infections Caused by Nonpigmented Serratia: Report of Seven Cases. Ann Intern Med. ;65:409–418. doi: 10.7326/0003-4819-65-3-409
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Published: Ann Intern Med. 1966;65(3):409-418.
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