期刊
JOURNAL OF CLINICAL MICROBIOLOGY
卷 58, 期 11, 页码 -出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JCM.00147-20
关键词
anaplasmosis; Lyme disease; tick-borne bacteria; human granulocytic ehrlichiosis; metagenomics; vector-borne diseases
类别
资金
- CDC's Office of Advanced Molecular Detection [AMD 90]
- CDC's TickNet Emerging Infections Program
Tick-borne diseases, due to a diversity of bacterial pathogens, represent a significant and increasing public health threat throughout the Northern Hemisphere. A high-throughput 16S V1-V2 rRNA gene-based metagenomics assay was developed and evaluated using >13,000 residual samples from patients suspected of having tick-borne illness and >1,000 controls. Taxonomic predictions for tick-borne bacteria were exceptionally accurate, as independently validated by secondary testing. Overall, 881 specimens were positive for bacterial tick-borne agents. Twelve tick-borne bacterial species were detected, including two novel pathogens, representing a 100% increase in the number of tick-borne bacteria identified compared to what was possible by initial PCR testing. In three blood specimens, two tick-borne bacteria were simultaneously detected. Seven bacteria, not known to be tick transmitted, were also confirmed to be unique to samples from persons suspected of having tick-borne illness. These results indicate that 16S V1-V2 metagenomics can greatly simplify diagnosis and accelerate the discovery of bacterial tick-borne pathogens.
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