Escherichia coli represents the primary etiological agent responsible for urinary tract infections, one of the most common infections in humans. We report here the complete genome sequence of uropathogenic Escherichia coli strain CI5, a clinical pyelonephritis isolate used for studying pathogenesis. Copyright © 2015 Mehershahi et al.
Resolution of repeats and scaffolding of shorter contigs are critical parts of genome assembly. Modern assemblers usually perform such steps by heuristics, often tailored to a particular technology for producing paired or long reads.We propose a new framework that allows systematic combination of diverse sequencing datasets into a single assembly. We achieve this by searching for an assembly with the maximum likelihood in a probabilistic model capturing error rate, insert lengths, and other characteristics of the sequencing technology used to produce each dataset. We have implemented a prototype genome assembler GAML that can use any combination of insert sizes with Illumina or 454 reads, as well as PacBio reads. Our experiments show that we can assemble short genomes with N50 sizes and error rates comparable to ALLPATHS-LG or Cerulean. While ALLPATHS-LG and Cerulean require each a specific combination of datasets, GAML works on any combination.We have introduced a new probabilistic approach to genome assembly and demonstrated that this approach can lead to superior results when used to combine diverse set of datasets from different sequencing technologies. Data and software is available at http://compbio.fmph.uniba.sk/gaml.
Klebsiella variicola strain DX120E (=CGMCC 1.14935) is an endophytic nitrogen-fixing bacterium isolated from sugarcane crops grown in Guangxi, China and promotes sugarcane growth. Here we summarize the features of the strain DX120E and describe its complete genome sequence. The genome contains one circular chromosome and two plasmids, and contains 5,718,434 nucleotides with 57.1% GC content, 5,172 protein-coding genes, 25 rRNA genes, 87 tRNA genes, 7 ncRNA genes, 25 pseudo genes, and 2 CRISPR repeats.
Erwinia tracheiphila is one of the most economically important pathogens of cucumbers, melons, squashes, pumpkins, and gourds in the northeastern and midwestern United States, yet its molecular pathology remains uninvestigated. Here, we report the first draft genome sequence of an E. tracheiphila strain isolated from an infected wild gourd (Cucurbita pepo subsp. texana) plant. The genome assembly consists of 7 contigs and includes a putative plasmid and at least 20 phage and prophage elements. Copyright © 2015 Shapiro et al.
Here, we report the draft genome sequence of Thermoanerobacter sp. YS13, isolated from a geothermal hot spring in Yellowstone National Park, which consists of 2,713,030 bp with a mean G+C content of 34.05%. A total of 2,779 genes, including 2,707 protein-coding genes, 12 rRNAs, and 59 tRNAs were identified. Copyright © 2015 Peng et al.
Kangiella geojedonensis KCTC 23420(T) is an aerobic, Gram-negative, non-motile, non-spore-forming, rod-shaped bacterium that was isolated from seawater off the southern coast of Korea. We here report the complete genome of K. geojedonensis KCTC 23420(T), which consists of 2,495,242 bp (G+C content of 43.78%) with 2,257 protein-coding genes, 41 tRNAs, 2 rRNA operons. The genome is smaller than the other closely related genomes, indicating that K. geojedonensis has recently experienced reductive evolution. Copyright © 2015 Elsevier B.V. All rights reserved.
Actinobacillus equuli subsp. equuli is a member of the family Pasteurellaceae that is a common resident of the oral cavity and alimentary tract of healthy horses. At the same time, it can also cause a fatal septicemia in foals, commonly known as sleepy foal disease or joint ill disease. In addition, A. equuli subsp. equuli has recently been reported to act as a primary pathogen in breeding sows and piglets. To better understand how A. equuli subsp. equuli can cause disease, the genome of the type strain of A. equuli subsp. equuli, ATCC 19392(T), was sequenced using the PacBio RS II sequencing system. Its genome is comprised of 2,431,533 bp and is predicted to encode 2,264 proteins and 82 RNAs.
Genome sequences of Methylobacter luteus, Methylobacter whittenburyi, Methylosarcina fibrata, Methylomicrobium agile, and Methylovulum miyakonense were generated. The strains represent aerobic methanotrophs typically isolated from various terrestrial ecosystems. Copyright © 2015 Hamilton et al.
We present here the complete genome sequence of a novel species Paenibacillus beijingensis 7188(T) (=DSM 24997(T)) from jujube rhizosphere soil that consists of one circular chromosome of 5,749,967bp with a GC content of 52.5%. On the significance of first genome information in this species, the genome sequence of strain 7188(T) will provide a better comprehension of Paenibacillus species for the practical uses as a biofertilizer in agriculture. Copyright © 2015 Elsevier B.V. All rights reserved.
We disclosed the complete genome sequence of Corynebacterium glutamicum B253, an important lysine-producing strain in China. The genome consists a circular chromosome (3,159,203bp) and a plasmid (24,775bp), encoding 2767 protein coding genes in total. The genome contains all genes for lysine biosynthesis, and some mutations potentially relevant to lysine production were detected in comparison with sequence of other C. glutamicum. Copyright © 2015 Elsevier B.V. All rights reserved.
Here, we report the high-quality draft genome sequence of actinobacterium Kibdelosporangium sp. MJ126-NF4, producer of the type II polyketide azicemicins, obtained using Illumina and PacBio sequencing technologies. The 11.75-Mbp genome contains >11,000 genes and 22 polyketide and nonribosomal peptide natural product gene clusters. Copyright © 2015 Ogasawara et al.
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. Copyright © 2015 Okutani et al.
Within the last several years, Salmonella enterica subsp. enterica serovar Agona has been among the 20 most frequently isolated serovars in clinical cases of salmonellosis. In this report, the complete genome sequence of S. Agona strain 460004 2-1 isolated from unsweetened puffed-rice cereal during a multistate outbreak in 2008 was sequenced using single-molecule real-time DNA sequencing. Copyright © 2015 Hoffmann et al.
The genome of Staphylococcus aureus RKI4, a strain isolated from feces of a patient in a case of staphylococcal food poisoning, was sequenced using combined Illumina and single-molecule real-time sequencing. Hierarchical assembly of the genome resulted in a 2,725,654-bp chromosome and a 17,905-bp mobile genetic element. Copyright © 2015 Stevens et al.
Mannheimia haemolytica is a bacterial pathogen that secretes leukotoxin (LktA) which binds to leukocyte membranes via CD18, causing bacterial pneumonia in ruminants. We report the complete closed genome sequences of a leukotoxin mutant and its parent strain that are frequently used in respiratory disease studies. Copyright © 2015 Heaton et al.
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