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Auto Tag: Genome annotation

July 7, 2019

Complete genome sequence of Mycobacterium avium subsp. hominissuis strain H87 isolated from an indoor water sample.

Mycobacterium avium subsp. hominissuis is an environmentally acquired bacterium known to cause pulmonary and soft tissue infections, lymphadenitis, and disseminated disease in humans. We report here the complete genome sequence of strain H87, isolated from an indoor water sample, as a single circular chromosome of 5,626,623 bp with a G+C content of 68.8%. Copyright © 2017 Zhao et al.

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July 7, 2019

Complete genome sequence of Lactobacillus casei LC5, a potential probiotics for atopic dermatitis.

Probiotics are living microorganisms providing health beneficial effect to the host (1). Probiotics have been used for the treatment or prevention of various diseases related to diarrhea (2), cho- lesterol (3) immune function (4), and inflammatory bowel disease (5). In addition, recent study also presents that probiotic bacteria in the Bifidobacterium and Lactobacillus genera are able to have therapeutic effects in the patients of psychological disorders, such as depression, anxiety, and memory (6).

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July 7, 2019

Complete genome sequence of Kosakonia oryzae type strain Ola 51(T).

Strain Ola 51(T) (=LMG 24251(T)?=?CGMCC 1.7012(T)) is the type strain of the species Kosakonia oryzae and was isolated from surface-sterilized roots of the wild rice species Oryza latifolia grown in Guangdong, China. Here we summarize the features of the strain Ola 51(T) and describe its complete genome sequence. The genome contains one circular chromosome of 5,303,342 nucleotides with 54.01% GC content, 4773 protein-coding genes, 16 rRNA genes, 76 tRNA genes, 13 ncRNA genes, 48 pseudo genes, and 1 CRISPR array.

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July 7, 2019

Complete genome sequence of Bordetella pertussis Pelita III, the production strain for an Indonesian whole-cell pertussis vaccine.

PT Bio Farma, the sole World Health Organization-approved Indonesian vaccine producer, manufactures a whole-cell whooping cough vaccine (wP) that, as part of a pentavalent diphtheria-tetanus-pertussis/hepatitis B/Haemophilus influenzae b (DTP/HB/Hib) vaccine, is used in Indonesia and many other countries. We report here the whole-genome sequence for Bordetella pertussis Pelita III, PT Bio Farma’s wP production strain. Copyright © 2017 Efendi et al.

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July 7, 2019

Complete genome sequence of Lysinibacillus sphaericus LMG 22257, a strain with ureolytic activity inducing calcium carbonate precipitation.

Microbiologically induced calcium carbonate precipitation shows the potential for use in bioremediation and construction consolidation, but the efficiency of this process must be improved. Lysinibacillus sphaericus LMG 22257 is a gram-positive ureolytic strain that has recently been applied for consolidating construction by mediating calcium carbonate precipitation. The complete genome sequence of L. sphaericus LMG 22257 is 3,436,578 base pairs with a GC content of 38.99%. The urea degradation pathway and genes related to extracellular polymeric substance biosynthesis were also identified. The strain can tolerate high alkalinity (pH up to 10) and high urea concentration (up to 3M). These findings provide insights into the microbiologically induced carbonate precipitation and extend the application of the metabolic potential of L. sphaericus LMG 22257 for bioremediation. Copyright © 2017 Elsevier B.V. All rights reserved.

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July 7, 2019

Complete genome sequence of a versatile hydrocarbon degrader, Pseudomonas aeruginosa DN1 isolated from petroleum-contaminated soil.

Pseudomonas aeruginosa DN1 was isolated from a petroleum-contaminated soil from Changqing Oilfield with its capability to degrade high molecular weight polycyclic aromatic hydrocarbons (HMW PAHs) and crude oil. Herein, the whole genome sequence analysis of P. aeruginosa strain DN1 was reported, consisting of a size of 6,641,902 bp chromosome assembled genome (67.09 mol% G + C content) and a 317,349 bp plasmid assembled genome (57.01 mol% G + C content). According to the genome information, strain DN1 encodes various genes related to degradation of aliphatic hydrocarbons and aromatic compounds. In addition, DN1 contains gene clusters for biosynthesis and regulation of biosurfactant rhamnolipids. These genes may serve as a basis of further elucidation of the genetic background of this promising strain, and provide insights into investigating the metabolic and regulatory mechanisms of hydrocarbon biodegradation.

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July 7, 2019

Evolutionary dynamics and genomic features of the Elizabethkingia anophelis 2015 to 2016 Wisconsin outbreak strain.

An atypically large outbreak of Elizabethkingia anophelis infections occurred in Wisconsin. Here we show that it was caused by a single strain with thirteen characteristic genomic regions. Strikingly, the outbreak isolates show an accelerated evolutionary rate and an atypical mutational spectrum. Six phylogenetic sub-clusters with distinctive temporal and geographic dynamics are revealed, and their last common ancestor existed approximately one year before the first recognized human infection. Unlike other E. anophelis, the outbreak strain had a disrupted DNA repair mutY gene caused by insertion of an integrative and conjugative element. This genomic change probably contributed to the high evolutionary rate of the outbreak strain and may have increased its adaptability, as many mutations in protein-coding genes occurred during the outbreak. This unique discovery of an outbreak caused by a naturally occurring mutator bacterial pathogen provides a dramatic example of the potential impact of pathogen evolutionary dynamics on infectious disease epidemiology.

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July 7, 2019

Genomic and phenotypic analyses of Pseudomonas psychrotolerans PRS08-11306 reveal a turnerbactin biosynthesis gene cluster that contributes to nitrogen fixation.

Plant-microbe interactions can provide agronomic benefits, such as enhancing nutrient uptake and providing fixed nitrogen. The Pseudomonas psychrotolerans strain PRS08-11306 was isolated from rice seeds and can enhance plant growth. Here, we analyzed the P. psychrotolerans genome, which is ~5Mb, with 4389 coding sequences, 77 tRNAs, and 7 rRNAs. Genome analysis identified a cluster of turnerbactin biosynthetic genes, which are responsible for the production of a catecholate siderophore and contribute to nitrogen fixation for the host. Analysis of the transcription factor mutant ?rpoS, which does not express this gene cluster, confirmed the relationship between the gene cluster and siderophore production. The nitrogen fixation characteristics of the cluster were confirmed in a plant growth-promoting experiment. The annotated full genome sequence of this strain sheds light on the role of P. psychrotolerans PRS08-11306 as a plant beneficial bacterium. Copyright © 2017. Published by Elsevier B.V.

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July 7, 2019

High-quality de novo assembly of the apple genome and methylome dynamics of early fruit development.

Using the latest sequencing and optical mapping technologies, we have produced a high-quality de novo assembly of the apple (Malus domestica Borkh.) genome. Repeat sequences, which represented over half of the assembly, provided an unprecedented opportunity to investigate the uncharacterized regions of a tree genome; we identified a new hyper-repetitive retrotransposon sequence that was over-represented in heterochromatic regions and estimated that a major burst of different transposable elements (TEs) occurred 21 million years ago. Notably, the timing of this TE burst coincided with the uplift of the Tian Shan mountains, which is thought to be the center of the location where the apple originated, suggesting that TEs and associated processes may have contributed to the diversification of the apple ancestor and possibly to its divergence from pear. Finally, genome-wide DNA methylation data suggest that epigenetic marks may contribute to agronomically relevant aspects, such as apple fruit development.

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July 7, 2019

Complete genome sequence of Staphylococcus epidermidis 1457.

Staphylococcus epidermidis 1457 is a frequently utilized strain that is amenable to genetic manipulation and has been widely used for biofilm-related research. We report here the whole-genome sequence of this strain, which encodes 2,277 protein-coding genes and 81 RNAs within its 2.4-Mb genome and plasmid. Copyright © 2017 Galac et al.

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July 7, 2019

Complete genome sequence of a community-associated methicillin-resistant Staphylococcusaureus hypervirulent strain, USA300-C2406, isolated from a patient with a lethal case of necrotizing pneumonia.

USA300 is a predominant community-associated methicillin-resistant Staphylococcus aureus strain causing significant morbidity and mortality. We present here the full annotated genome of a USA300 hypervirulent clinical strain, USA300-C2406, isolated from a patient with a lethal case of necrotizing pneumonia, to gain a better understanding of USA300 hypervirulence. Copyright © 2017 McClure and Zhang.

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July 7, 2019

Four complete Paenibacillus larvae genome sequences.

Four complete genome sequences of genetically distinct Paenibacillus larvae strains have been determined. Pacific BioSciences single-molecule real-time (SMRT) sequencing technology was used as the sole method of sequence determination and assembly. The chromosomes exhibited a G+C content of 44.1 to 44.2% and a molecular size range of 4.29 to 4.67 Mbp. Copyright © 2017 Dingman.

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