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Ann Lab Med. 2017 May;37(3):272-276. English. Brief Communication. https://doi.org/10.3343/alm.2017.37.3.272
Cho EH , Park KS , Yang M , Song DJ , Huh HJ , Ki CS , Lee NY .
Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. pmhhj77@gmail.com micro.lee@samsung.com
SD Genomics Co., Ltd., Seoul, Korea.
Abstract

We describe the laboratory identification of Leptotrichia species from clinical isolates collected over a six-year period. Five isolates from blood cultures were identified as Leptotrichia species. Gram stain showed large, fusiform, gram-negative or -variable bacilli. Identification based on biochemical testing was unsuccessful; however, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry proved to be a useful tool for identifying Leptotrichia species to the genus level. Species level identification was successfully achieved by using 16S ribosomal RNA gene sequencing.

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