Dataset Information

Draft Genome Sequences of Bacillus anthracis Strains Stored for Several Decades in Japan.

ABSTRACT: We report the draft genome sequences of Bacillus anthracis strains Shikan-NIID, 52-40-NIAH, and 44-NIAH stored in Japan and belonging to the A3 cluster.

SUBMITTER: Okutani A

PROVIDER: S-EPMC4472895 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Draft Genome Sequences of Bacillus anthracis Strains Stored for Several Decades in Japan.

Okutani Akiko A Osaki Makoto M Takamatsu Daisuke D Kaku Yoshihiro Y Inoue Satoshi S Morikawa Shigeru S

Genome announcements 20150618 3

We report the draft genome sequences of Bacillus anthracis strains Shikan-NIID, 52-40-NIAH, and 44-NIAH stored in Japan and belonging to the A3 cluster. ...[more]

PMID: 26089418

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Project description:BACKGROUND: The anthrax letter attacks of 2001 highlighted the need for rapid identification of biothreat agents not only for epidemiological surveillance of the intentional outbreak but also for implementing appropriate countermeasures, such as antibiotic treatment, in a timely manner to prevent further casualties. It is clear from the 2001 cases that survival may be markedly improved by administration of antimicrobial therapy during the early symptomatic phase of the illness; i.e., within 3 days of appearance of symptoms. Microbiological detection methods are feasible only for organisms that can be cultured in vitro and cannot detect all genetic modifications with the exception of antibiotic resistance. Currently available immuno or nucleic acid-based rapid detection assays utilize known, organism-specific proteins or genomic DNA signatures respectively. Hence, these assays lack the ability to detect novel natural variations or intentional genetic modifications that circumvent the targets of the detection assays or in the case of a biological attack using an antibiotic resistant or virulence enhanced Bacillus anthracis, to advise on therapeutic treatments. METHODOLOGY/PRINCIPAL FINDINGS: We show here that the Roche 454-based pyrosequencing can generate whole genome draft sequences of deep and broad enough coverage of a bacterial genome in less than 24 hours. Furthermore, using the unfinished draft sequences, we demonstrate that unbiased identification of known as well as heretofore-unreported genetic modifications that include indels and single nucleotide polymorphisms conferring antibiotic and phage resistances is feasible within the next 12 hours. CONCLUSIONS/SIGNIFICANCE: Second generation sequencing technologies have paved the way for sequence-based rapid identification of both known and previously undocumented genetic modifications in cultured, conventional and newly emerging biothreat agents. Our findings have significant implications in the context of whole genome sequencing-based routine clinical diagnostics as well as epidemiological surveillance of natural disease outbreaks caused by bacterial and viral agents.

Dataset Information

Draft Genome Sequences of Bacillus anthracis Strains Stored for Several Decades in Japan.

Publications

Draft Genome Sequences of Bacillus anthracis Strains Stored for Several Decades in Japan.

Similar Datasets

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