We present here the complete genome sequence of Bacillus subtilis strain DKU_NT_03 isolated from the traditional Korean food chung-gook-jang, which is made from soybeans. This strain was chosen to identify genetic factors with high-quality nattokinase activity. Copyright © 2018 Jeong et al.
Lactobacillus plantarum LQ80 is a strain isolated from liquid feed for pigs. We determined the complete genome sequence of this strain using the PacBio RS II platform. LQ80 contained a single circular chromosome of 3,230,192 bp, with 44.66% G+C content and seven plasmids. Copyright © 2018 Moriya et al.
We report here the complete genome sequence of the Vibrio cholerae O1 bv. El Tor Ogawa strain V060002, isolated in 1997. The data demonstrate that this clinical strain has a single chromosome resulting from recombination of two prototypical chromosomes. Copyright © 2018 Yamamoto et al.
Flavobacterium columnare MS-FC-4 is a highly virulent genetic group 1 (formerly genomovar I) strain isolated from rainbow trout (Oncorhynchus mykiss). The draft genome consists of three contigs totaling 3,449,277 bp with 2,811 predicted open reading frames. F. columnare MS-FC-4 is a model strain for functional genomic analyses.
Here, we report the complete genome sequence of the pathogenic Aeromonas salmonicida subsp. masoucida strain RFAS1, isolated from black rockfish and showing signs of furunculosis. Sequencing with the PacBio platform yielded a circular chromosome of 4,783,004?bp and two plasmids (70,968?bp and 63,563?bp) harboring 4,411, 67, and 71 protein-coding genes, respectively. Copyright © 2018 Kim et al.
Melissococcus plutonius is the causative agent of European foulbrood, and its isolates were believed to be remarkably genetically homogeneous. However, recent epidemiological and pathogenic studies have shown this pathogen to be more heterogeneous than expected. Herein, we present the whole-genome sequence of M. plutonius DAT561, a representative atypical strain. Copyright © 2018 Okumura et al.
Here, we report the complete genome sequence of Lactobacillus reuteri WHH1689, which was isolated from traditional Chinese highland barley wine in the Tibetan Plateau of China. The genome consists of a circular chromosome (2.04 Mb). Copyright © 2018 Chen et al.
Lactobacillus paracasei EG9 is a strain isolated from well-ripened cheese and accelerates free amino acid production during cheese ripening. Its complete genome sequence was determined using the PacBio RS II platform, revealing a single circular chromosome of 2,927,257 bp, a G+C content of 46.59%, and three plasmids. Copyright © 2018 Asahina et al.
Carbapenem-resistant Pseudomonas aeruginosa is defined as a textquotedblleftcriticaltextquotedblright priority pathogen for the development of new antibiotics. Here we report the complete genome sequence of an extensively drug-resistant, Verona integron-encoded metallo-ß-lactamase-expressing isolate belonging to the high-risk sequence type 233.
In 2014, the first vancomycin-resistant (encoded by vanA) Enterococcus faecium isolate belonging to sequence type 203 (ST203) and complex type 859 (CT859) was detected in Denmark. In 2016, 64% of the Danish clinical vanA E. faecium isolates belonged to ST203 and CT859. Using Pacific Biosciences (PacBio) RS II sequencing, we describe the genome of ST203 CT859 vanA E. faecium.
Nontypeable Haemophilus influenzae (NTHi) is an important bacterial pathogen that causes otitis media and exacerbations of chronic obstructive pulmonary disease (COPD). Here, we report the complete genome sequences of NTHi strains 10P129H1 and 84P36H1, isolated from COPD patients, which contain the phase-variable epigenetic regulators ModA15 and ModA18, respectively.
Produce contaminated with Shiga toxin-producing Escherichia coli (STEC) is a continuing source of foodborne illness in the United States. This report documents the complete genome sequences of eight STEC strains isolated from livestock and water samples taken from a major agricultural region for leafy greens in California.
Root-knot nematodes (Meloidogyne spp.) cause serious damage to many crops globally. We report the high-quality genome sequence of Meloidogyne arenaria genotype A2-O. The genome assembly of M. arenaria A2-O is composed of 2,224 contigs with an N50 contig length of 204,551?bp and a total assembly length of 284.05?Mb. Copyright © 2018 Sato et al.
A bacterium capable of utilizing dimethyl phthalate (DMP), diethyl phthalate (DEP), di-n-butyl phthalate (DBP), and diisobuthyl phthalate (DIBP) as the sole carbon and energy source was isolated from shallow aquifer sediments. The strain was identified as Sphingobium yanoikuyae SHJ based on morphological characteristics, 16S rDNA gene phylogeny, and whole genome average nucleotide identity (ANI). The degradation half-life of DBP with substrate concentration of 8.5 and 50.0 mg/L by strain SHJ was 99.7 and 101.4 hours, respectively. The optimum degradation rate of DBP by SHJ was observed at 30°C and weak alkaline (pH 7.5). Genome sequence of the strain SHJ showed a circular chromosome and additional two circular plasmids with whole genome size of 5,669,383 bp and GC content of 64.23%. Functional annotation of SHJ revealed a total of 5,402 genes, with 5,183 protein-encoding genes, 143 pseudogenes, and 76 noncoding RNA genes. Based on genome annotation, 44 genes were identified to be involved in PAEs hydrolysis potentially. Besides, a region with size of about 6.9 kb comprised of seven ORFs, which is located on the smaller plasmid pSES189, was presumed to be responsible for the biodegradation of phthalate. These results provide insights into the genetic basis of DBP biodegradation in this strain.
Targeted resequencing with high-throughput sequencing (HTS) platforms can be used to efficiently interrogate the genomes of large numbers of individuals. A critical issue for research and applications using HTS data, especially from long-read platforms, is error in base calling arising from technological limits and bioinformatic algorithms. We found that the community standard long amplicon analysis (LAA) module from Pacific Biosciences is prone to substantial bioinformatic errors that raise concerns about findings based on this pipeline, prompting the need for a new method.A single molecule real-time (SMRT) sequencing-error correction and assembly pipeline, C3S-LAA, was developed for libraries of pooled amplicons. By uniquely leveraging the structure of SMRT sequence data (comprised of multiple low quality subreads from which higher quality circular consensus sequences are formed) to cluster raw reads, C3S-LAA produced accurate consensus sequences and assemblies of overlapping amplicons from single sample and multiplexed libraries. In contrast, despite read depths in excess of 100X per amplicon, the standard long amplicon analysis module from Pacific Biosciences generated unexpected numbers of amplicon sequences with substantial inaccuracies in the consensus sequences. A bootstrap analysis showed that the C3S-LAA pipeline per se was effective at removing bioinformatic sources of error, but in rare cases a read depth of nearly 400X was not sufficient to overcome minor but systematic errors inherent to amplification or sequencing.C3S-LAA uses a divide and conquer processing algorithm for SMRT amplicon-sequence data that generates accurate consensus sequences and local sequence assemblies. Solving the confounding bioinformatic source of error in LAA allowed for the identification of limited instances of errors due to DNA amplification or sequencing of homopolymeric nucleotide tracts. For research and development in genomics, C3S-LAA allows meaningful conclusions and biological inferences to be made from accurately polished sequence output.
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