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KMID : 1100720160360040367
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Annals of Laboratory Medicine
2016 Volume.36 No. 4 p.367 ~ p.370
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Two Cases of Bacteremia Due to Roseomonas mucosa
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Kim Yu-Kyung
Moon Jung-Suk
Song Kyung-Eun
Lee Won-Kil
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Abstract
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Roseomonas is a genus of pink-pigmented nonfermentative bacilli. These slow-growing, gram-negative cocobacilli form pink-colored colonies on sheep blood agar. They differ from other pink-pigmented nonfermenters, including Methylobacterium, in morphology, biochemical characteristics, and DNA sequence. Roseomonas strains are rarely isolated in clinical laboratories; therefore, we report two cases in order to improve our ability to identify these pathogens. We isolated two strains of Roseomonas mucosa from the venous blood cultures of two patients, an 84-yr-old woman with common bile duct obstruction and a 17-yr-old male with acute myeloid leukemia who had an indwelling central-venous catheter for chemotherapy. The isolated strains were confirmed as R. mucosa by 16S rRNA sequencing.
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KEYWORD
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Pink-pigmented nonfermenters, Roseomonas mucosa, 16S rRNA sequencing
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