A Case of Roseomonas Infection in Korea

YeJin Oh; Jimyung Kim; Gye Cheol Kwon; Sun Hoe Koo

doi:10.3343/lmo.2016.6.1.50

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Oh, Kim, Kwon, and Koo: A Case of Roseomonas Infection in Korea

Case Report

Clinical Microbiology

Laboratory Medicine Online 2016; 6(1): 50-53.

Published online: 1 January 2016

DOI: https://doi.org/10.3343/lmo.2016.6.1.50

A Case of Roseomonas Infection in Korea

YeJin Oh, M.D., Jimyung Kim, M.D., Gye Cheol Kwon, M.D., Sun Hoe Koo, M.D.

Department of Laboratory Medicine, Chungnam National University Hospital, Daejeon, Korea.

Corresponding author: Sun Hoe Koo. Department of Laboratory Medicine, Chungnam National University Hospital, 33 Munhwa-ro, Joong-gu, Daejeon 35015, Korea. Tel: +82-42-280-7798, Fax: +82-42-257-5365, shkoo@cnu.ac.kr

Received 9 February 2015 Revised 16 March 2015 Accepted 17 March 2015

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Roseomonas is a genus of pink-pigmented, oxidative, gram-negative coccobacilli and rarely causes opportunistic infection. We report a case of wound infection by Roseomonas species in a 53-yr-old man with alcoholic liver cirrhosis. 16S ribosomal RNA (rRNA) gene sequencing was performed to confirm the infectious agent. The patient recovered without complication after ciprofloxacin treatment. To the best of our knowledge, this is the first case of Roseomonas infection reported in Korea.

Keywords: Roseomonas, Wound infection

Figures and Tables

Fig. 1

(A) Gram staining of Roseomonas showing gram-negative coccobacilli in small chains (×1,000). (B) Roseomonas on blood agar showing non-hemolytic pink mucoid colonies after incubation for 24 hr.

Fig. 2

Phylogenic tree showing the relationship of the clinical isolate with other Roseomonas species constructed by the neighbor-joining method on the basis of 16S rRNA gene sequences. The scale bar represents 1% sequence distance.

Table 1

Susceptibility of the clinical isolate to antimicrobial drugs

Antibiotic	E-test		Disk diffusion
Antibiotic	MIC (µg/mL)	Interpretation	Zone diameter (mm)	Interpretation
Amikacin	0.25	Susceptible	34	Susceptible
Imipenem	0.75	Susceptible	33	Susceptible
Ciprofloxacin	0.094	Susceptible	33	Susceptible
TMP-SMX	NT	NT	6	Resistant
Ampicillin	NT	NT	6	Resistant
Ceftazidime	> 256	Resistant	6	Resistant
Cefepime	24	Intermediate	19	Intermediate

Abbreviations: MIC, minimal inhibitory concentration; TMP-SMX, trimethoprim-sulfamethoxazole; NT, not tested.

Notes

This article is available from http://www.labmedonline.org

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