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Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and genomic comparison with a laboratory strain K-12.
TLDR
The complete chromosome sequence of an O157:H7 strain isolated from the Sakai outbreak is reported, and the results of genomic comparison with a benign laboratory strain, K-12 MG1655, are identified, which may represent the fundamental backbone of the E. coli chromosome.
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Is Neisseria gonorrhoeae Initiating a Future Era of Untreatable Gonorrhea?: Detailed Characterization of the First Strain with High-Level Resistance to Ceftriaxone
TLDR
A detailed characterization of the first Neisseria gonorrhoeae strain, H041, was performed to confirm the finding, examine its antimicrobial resistance (AMR), and elucidate the resistance mechanisms.
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High-Level Cefixime- and Ceftriaxone-Resistant Neisseria gonorrhoeae in France: Novel penA Mosaic Allele in a Successful International Clone Causes Treatment Failure
TLDR
F89 has high-level resistance to cefixime and ceftriaxone and resistance to most other antimicrobials examined and is assigned to MLST sequence type 1901 and NG-MAST ST1407, which is a successful gonococcal clone that has spread globally.
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The R‐type pyocin of Pseudomonas aeruginosa is related to P2 phage, and the F‐type is related to lambda phage
TLDR
The results clearly demonstrated that the R‐type pyocin is derived from a common ancestral origin with P2 phage and the F‐type from λ phage, and supported by identification of a lysis gene cassette similar to those for bacteriophages.
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The Whole-genome Sequencing of the Obligate Intracellular Bacterium Orientia tsutsugamushi Revealed Massive Gene Amplification During Reductive Genome Evolution
TLDR
The complete genome sequence of O. tsutsugamushi strain Ikeda is determined, which comprises a single chromosome of 2 008 987 bp and contains 1967 protein coding sequences (CDSs), and is a prominent example of the high plasticity of bacterial genomes.
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A complete view of the genetic diversity of the Escherichia coli O-antigen biosynthesis gene cluster
TLDR
A complete sequence set for the O-antigen biosynthesis gene clusters (O-AGCs) from all 184 recognized Escherichia coli O serogroups is presented, showing a stronger association between host phylogenetic lineage and O-serogroup diversification than previously recognized.
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Human Infections with Borrelia miyamotoi, Japan
TLDR
Indigenous relapsing fever should be considered a health concern in Japan by retrospective surveillance of Lyme disease patients and detection of B. miyamotoi DNA in serum samples.
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The GrlR-GrlA Regulatory System Coordinately Controls the Expression of Flagellar and LEE-Encoded Type III Protein Secretion Systems in Enterohemorrhagic Escherichia coli
TLDR
The fact that an EHEC strain constitutively expressing FlhD/FlhC cannot adhere to HeLa cells leads us to hypothesize that GrlA-dependent repression of the flagellar regulon is important for efficient cell adhesion of EH EC to host cells.
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Genomic diversity of enterohemorrhagic Escherichia coli O157 revealed by whole genome PCR scanning
TLDR
Prophages, including Shiga toxin-transducing phages, exhibited extensive structural and positional diversity, implying that variation of bacteriophages is a major factor in generating genomic diversity among the O157 lineage.
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Identification of a Chitin-Induced Small RNA That Regulates Translation of the tfoX Gene, Encoding a Positive Regulator of Natural Competence in Vibrio cholerae
TLDR
It is proposed that in the presence of (GlcNAc)₂, TfoR sRNA is expressed to activate the translation of tfoX(VC), which leads to the induction of natural competence.
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