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  • Title: Pediatric bacteremia caused by Chromobacterium haemolyticum/Chromobacterium aquaticum.
    Author: Harmon N, Mortensen JE, Robinette E, Powell EA.
    Journal: Diagn Microbiol Infect Dis; 2016 Sep; 86(1):108-11. PubMed ID: 27344541.
    Abstract:
    We present a case of pediatric bacteremia caused by Chromobacterium haemolyticum, a β-hemolytic, non-pigmented, Gram-negative bacilli recovered from a blood culture and initially identified as Chromobacterium violaceum using phenotypic and proteomic methods. 16S rRNA sequencing of the patient isolated demonstrated a high degree of sequence homology with the type strain of C. haemolyticum. The patient recovered following treatment with meropenem, gentamicin, and trimethoprim/sulfamethoxazole. This case highlights the potential misidentification of C. haemolyticum as non-pigmented C. violaceum due to limitations of the currently available identification methodologies.
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