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Complete Genome Sequence of a Clinical Isolate of Acinetobacter baumannii Harboring 11 Plasmids.

ABSTRACT: Here, we report the complete genome sequence of an Acinetobacter baumannii isolate harboring 11 plasmids, obtained at a hospital in Japan in 2016. The complete 4.07-Mbp genome sequence (1 chromosome and 11 plasmids) was analyzed by a combination of long-read (Flongle) and short-read (NovaSeq 6000) sequencing.

SUBMITTER: Sakiyama A

PROVIDER: S-EPMC8483705 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Complete Genome Sequence of a Clinical Isolate of Acinetobacter baumannii Harboring 11 Plasmids.

Sakiyama Arata A Matsumoto Yuki Y Tsubouchi Taishi T Suzuki Masato M Niki Makoto M Niki Mamiko M Oinuma Ken-Ich KI Kakeya Hiroshi H Kaneko Yukihiro Y

Microbiology resource announcements 20210930 39

Here, we report the complete genome sequence of an Acinetobacter baumannii isolate harboring 11 plasmids, obtained at a hospital in Japan in 2016. The complete 4.07-Mbp genome sequence (1 chromosome and 11 plasmids) was analyzed by a combination of long-read (Flongle) and short-read (NovaSeq 6000) sequencing. ...[more]

PMID: 34591663

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Project description:Acinetobacter baumannii is an opportunistic gram-negative bacteria typically attributed to hospital-associated infection. It could also become multidrug-resistant (MDR), extensively drug-resistant (XDR), and pan drug-resistant (PDR) during a short period. Although A. baumannii has been documented extensively, complete knowledge on the antibiotic-resistant mechanisms and virulence factors responsible for pathogenesis has not been entirely elucidated. This study investigated the drug resistance pattern and characterized the genomic sequence by de novo assembly of PDR A. baumannii strain VJR422, which was isolated from a catheter-sputum specimen. The results showed that the VJR422 strain was resistant to any existing antibiotics. Based on de novo assembly, whole-genome sequences showed a total genome size of 3,924,675-bp. In silico and conventional MLST analysis of sequence type (ST) of this strain was new ST by Oxford MLST scheme and designated as ST1890. Moreover, we found 10,915 genes that could be classified into 45 categories by Gene Ontology (GO) analysis. There were 1,687 genes mapped to 34 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. The statistics from Clusters of Orthologous Genes (COG) annotation identified 3,189 genes of the VJR422 strain. Regarding the existence of virulence factors, a total of 59 virulence factors were identified in the genome of the VJR422 strain by virulence factors of pathogenic bacteria databases (VFDB). The drug-resistant genes were investigated by searching in the Comprehensive Antibiotic Resistance Database (CARD). The strain harbored antibiotic-resistant genes responsible for aminoglycoside, β-lactam-ring-containing drugs, erythromycin, and streptogramin resistance. We also identified resistance-nodulation-cell division (RND) and the major facilitator superfamily (MFS) associated with the antibiotic efflux pump. Overall, this study focused on A. baumannii strain VJR422 at the genomic level data, i.e., GO, COG, and KEGG. The antibiotic-resistant genotype and phenotype as well as the presence of potential virulence associated factors were investigated.

Dataset Information

Complete Genome Sequence of a Clinical Isolate of Acinetobacter baumannii Harboring 11 Plasmids.

Publications

Complete Genome Sequence of a Clinical Isolate of Acinetobacter baumannii Harboring 11 Plasmids.

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