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논문 기본 정보

자료유형
학술저널
저자정보
Jeong Ji Hun (Department of Laboratory Medicine Daejeon Eulji Medical Center Eulji University Daejeon Korea) Kweon Oh Joo (Department of Laboratory Medicine Chung-Ang University College of Medicine Seoul Korea) Kim Hye Ryoun (Department of Laboratory Medicine Chung-Ang University College of Medicine Seoul Korea) Kim Tae-Hyoung (Department of Urology Chung-Ang University College of Medicine Seoul Korea) Ha Sung-min (Department of Integrative Biology and Physiology University of California Los Angeles USA) Lee Mi-Kyung (Department of Laboratory Medicine Chung-Ang University College of Medicine Seoul Korea)
저널정보
대한진단검사의학회 Annals of Laboratory Medicine Annals of Laboratory Medicine 제41권 제3호
발행연도
2021.1
수록면
323 - 327 (5page)

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Whole-genome sequencing (WGS) is an easily accessible and valuable tool in clinical microbiology, which can be used for identifying novel and rare species. We isolated gram-positive cocci from the blood of a pediatric patient, which could not be phenotypically identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) (BioMerieux, Marcy-l’Etoile, France). We could not identify the isolate to the species level using 16S ribosomal RNA (rRNA) sequencing. WGS was performed using the Illumina MiSeq platform (Illumina, San Diego, CA, USA); however, the subsequent genomic sequence database search using the TrueBac ID-Genome system (ChunLab, Inc., Seoul, Korea) did not yield any hits with an average nucleotide identity value >95.0%, which is the cut-off for species-level identification. Phylogenetic analysis suggested that the isolate belonged to a new Arsenicicoccus species, forming a subcluster with Arsenicicoccus bolidensis. Our data demonstrate that WGS allows a more accurate annotation of microbial genomes than other clinical microbiology tools, such as MALDI-TOF MS and 16S rRNA sequencing. This is the first report of the isolation of a novel Arsenicicoccus species from a clinical sample.

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