Abstract
ObjectivesThe aim of this study was to characterise the first complete genome of Porphyromonas pogonae strain PP01-1 of human origin in China. MethodsThe Illumina NovaSeq 6000 (200X coverage) and Nanopore MinION platforms (100× coverage) were used for genome sequencing. A de novo hybrid assembly of short Illumina reads and long MinION reads was performed using Unicycler (v.0.5.0). Genome annotation of PP01-1 was performed using the prokaryotic gene-prediction tool Prokka1.14.6. The genome was further analysed using several bioinformatics tools, including ResFinder, VFDB, VirulenceFinder, Type Strain Genome Server, AntiSMASH, PathogenFinder, MobileElementfinder, CRISPRFinder, and IslandViewer. ResultsThe assembled circular genome of P. pogonae strain PP01-1 was 2 916 423 bp in length, with a GC content of 41.0%, and no plasmid sequence was detected. A total of 2399 coding sequences were predicted by Prokka. PP01-1 harbours antimicrobial resistance genes blaOXA-347 (β-lactamase resistance), tet(Q) (tetracycline resistance), and floR (chloramphenicol and florfenicol resistance). ConclusionsHere, we are the first to report the complete genome of P. pogonae strain PP01-1 of human origin. In this strain, we first identified blaOXA-347 and tet(Q) in P. pogonae, which will pave the way for further analysis that could identify the potential mechanism of antibiotic resistance and virulence factors in P. pogonae.
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