Abstract
Purpose
Adenitis for which no causative organism can be isolated is a common occurrence in patients with chronic granulomatous disease (CGD). Here we identify Acidomonas methanolica as a pathogen associated with adenitis in a patient with CGD.
Methods
The causative pathogen was obtained after prolonged incubation of an excised lymph node in thioglycolate broth. Identification was carried out by sequencing the 16s rRNA. Immunoblots were prepared utilizing protein extracts from the case patient’s A. methanolica isolate, an ATCC type strain of A. methanolica and G. bethesdensis.
Results
Fastidious gram-negative rods grew after prolonged incubation of an excised lymph node in thioglycolate broth. Sequencing of the 16s rRNA identified the organism as A. methanolica. Immunoblot confirmed the pathogen’s role in the patient’s adenitis by showing the patient’s specific immune response to the organism.
Conclusions
A. methanolica is the second member of the family, Acetobacteaceae to be associated with adenitis in patients with CGD.
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Funding: Department of Laboratory Medicine, National Institutes of Health
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Chase, J.M., Holland, S.M., Greenberg, D.E. et al. Acidomonas Methanolica-Associated Necrotizing Lymphadenitis in a Patient with Chronic Granulomatous Disease. J Clin Immunol 32, 1193–1196 (2012). https://doi.org/10.1007/s10875-012-9728-6
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DOI: https://doi.org/10.1007/s10875-012-9728-6