The complete circularized genome sequences of selected specimens from the largest known Elizabethkingia anophelis outbreak to date are described here. Genomic rearrangements observed among the outbreak strains are discussed. Copyright © 2016 Nicholson et al.
A clinical isolate of Hafnia alvei (strain HUMV-5920) was obtained from a urine sample from an adult patient. We report here its complete genome assembly using PacBio single-molecule real-time (SMRT) sequencing, which resulted in a chromosome with 4.5 Mb and a circular contig of 87 kb. About 4,146 protein-coding genes are predicted from this assembly. Copyright © 2016 Lázaro-Díez et al.
The zoonotic pathogen Borrelia hermsii bears its multiple paralogous genes for variable antigens on several linear plasmids. Application of combined long-read and short-read next-generation sequencing provided complete sequences for antigen-encoding plasmids as well as other linear and circular plasmids and the linear chromosome of the genome. Copyright © 2016 Barbour.
Paenibacillus glucanolyticus 5162, a bacterium isolated from soil, and Paenibacillus glucanolyticus SLM1, a bacterium isolated from pulp mill waste, can utilize cellulose, hemicellulose and lignin as sole carbon sources for growth. These two strains of Paenibacillus glucanolyticus were sequenced using PacBio and Illumina MiSeq technologies. Copyright © 2016 Mathews et al.
Acinetobacter baumannii has emerged as a dangerous nosocomial pathogen, particularly for severely ill patients in intensive care units and patients with hematologic malignancies. Here, we present the complete genome sequence of a multidrug-resistant A. baumannii isolate, recovered from a Mexican hospital and classified as sequence type 422 according to the multilocus sequence typing Pasteur scheme. Copyright © 2016 Castro-Jaimes et al.
Daptomycin-resistant Enterococcus hirae R17 was isolated from retail pork sold at a free-trade market in Beijing, China. The complete genome sequence of R17 contains a circular 2,886,481-bp chromosome and a circular 73,574-bp plasmid. Genes involved in cell envelope homeostasis of this bacterium were identified by whole-genome analysis. Copyright © 2016 Peng et al.
We isolated Pseudomonas putida (P. putida) strain 1A00316 from Antarctica. This bacterium has a high efficiency against Meloidogyne incognita (M. incognita) in vitro and under greenhouse conditions. The complete genome of P. putida 1A00316 was sequenced using PacBio single molecule real-time (SMRT) technology. A comparative genomic analysis of 16 Pseudomonas strains revealed that although P. putida 1A00316 belonged to P. putida, it was phenotypically more similar to nematicidal Pseudomonas fluorescens (P. fluorescens) strains. We characterized the diversity and specificity of nematicidal factors in P. putida 1A00316 with comparative genomics and functional analysis, and found that P. putida 1A00316 has diverse nematicidal factors including protein alkaline metalloproteinase AprA and two secondary metabolites, hydrogen cyanide and cyclo-(l-isoleucyl-l-proline). We show for the first time that cyclo-(l-isoleucyl-l-proline) exhibit nematicidal activity in P. putida. Interestingly, our study had not detected common nematicidal factors such as 2,4-diacetylphloroglucinol (2,4-DAPG) and pyrrolnitrin in P. putida 1A00316. The results of the present study reveal the diversity and specificity of nematicidal factors in P. putida strain 1A00316.
We report here the complete genome sequence of Streptomyces sp. strain RTd22, an endophytic actinobacterium that was isolated from the roots of the Mexican sunflower Tithonia diversifolia The bacterium’s 11.1-Mb linear chromosome is predicted to encode a large number of unknown natural products. Copyright © 2016 Chagas et al.
Carnobacterium sp. strain CP1 was isolated from Antarctic sandy soil and predicted to be a novel species belonging to the genus Carnobacterium Herein, we report the complete genome sequence, which consists of a circular 2,605,518-bp chromosome and an 8,883-bp plasmid with G+C contents of 38.13% and 31.63%, respectively. Copyright © 2016 Zhu et al.
Lysinibacillus sphaericus III(3)7 is a native Colombian strain, the first one isolated from soil samples. This strain has shown high levels of pathogenic activity against Culex quinquefaciatus larvae in laboratory assays compared to other members of the same species. Using Pacific Biosciences sequencing technology we sequenced, annotated (de novo) and described the genome of strain III(3)7, achieving a complete genome sequence status. We then performed a comparative analysis between the newly sequenced genome and the ones previously reported for Colombian isolates L. sphaericus OT4b.31, CBAM5 and OT4b.25, with the inclusion of L. sphaericus C3-41 that has been used as a reference genome for most of previous genome sequencing projects. We concluded that L. sphaericus III(3)7 is highly similar with strain OT4b.25 and shares high levels of synteny with isolates CBAM5 and C3-41.
Carbapenemase-producing Gram-negative bacilli have been a global concern over the past 2 decades because these organisms can cause severe infections with high mortality rates. Carbapenemase genes are often carried by mobile genetic elements, and resistance plasmids can be transferred through conjugation. We conducted whole-genome sequencing (WGS) to demonstrate that the same plasmid harboring a metallo-ß-lactamase gene was detected in two different species isolated from a single patient. Metallo-ß-lactamase-producing Achromobacter xylosoxidans (KUN4507), non-metallo-ß-lactamase-producing Klebsiella pneumoniae (KUN4843), and metallo-ß-lactamase-producing K. pneumoniae (KUN5033) were sequentially isolated from a single patient and then analyzed in this study. Antimicrobial susceptibility testing, molecular typing (pulsed-field gel electrophoresis and multilocus sequence typing), and conjugation analyses were performed by conventional methods. Phylogenetic and molecular clock analysis of K. pneumoniae isolates were performed with WGS, and the nucleotide sequences of plasmids detected from these isolates were determined using WGS. Conventional molecular typing revealed that KUN4843 and KUN5033 were identical, whereas the phylogenetic tree analysis revealed a slight difference. These two isolates were separated from the most recent common ancestor 0.74 years before they were isolated. The same resistance plasmid harboring blaIMP-19 was detected in metallo-ß-lactamase-producing A. xylosoxidans and K. pneumoniae Although this plasmid was not self-transferable, the conjugation of this plasmid from A. xylosoxidans to non-metallo-ß-lactamase-producing K. pneumoniae was successfully performed. The susceptibility patterns for metallo-ß-lactamase-producing K. pneumoniae and the transconjugant were similar. These findings supported the possibility of the horizontal transfer of plasmid-borne blaIMP-19 from A. xylosoxidans to K. pneumoniae in a single patient.
Cyanobium sp. NIES-981 is a marine cyanobacterium isolated from tidal flat sands in Okinawa, Japan. Here, we report the complete 3.0-Mbp genome sequence of NIES-981, which is composed of a single chromosome, and its annotation. This sequence information may provide a basis for developing an ecotoxicological bioassay using this strain. Copyright © 2016 Yamaguchi et al.
The carbapenem-resistant Salmonella enterica subsp. enterica serovar Indiana strain C629 was isolated from a chicken carcass collected from a slaughterhouse in Qingdao, China. The complete genome sequence of C629 contains a circular 4,791,723-bp chromosome and a circular 210,106-bp plasmid. Genes involved in carbapenem resistance of this bacterium were identified by whole-genome analysis. Copyright © 2016 Wang et al.
The sequences of the complete linear chromosome and 7 linear plasmids of the relapsing fever spirochete Borrelia turicatae are presented in this report. The 925,547 bp of chromosome and 380,211 bp of plasmid sequence were predicted to contain a total of 1,131 open reading frames, with an average G+C content of 29.7%. Copyright © 2016 Kingry et al.
The genome sequence of Escherichia coli serotype O157:H7 EDL933, a ground beef isolate from a 1983 hemorrhagic colitis outbreak, is a standard reference for comparative genomic studies of Shiga toxin-producing E. coli strains. Here, we report the genome sequence of a patient stool isolate from that outbreak, strain EDL932. Copyright © 2016 Uhlich et al.
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