Herein, we report the complete genome sequence of Enterococcus faecium QU50, isolated from Egyptian soil and exhibiting intermediate susceptibility to vancomycin. The genome contains a 2,535,796-bp circular chromosome and two plasmids of 196,595?bp and 17,267?bp. IS1062-like sequences were not found.Copyright © 2019 Abe et al.
Lactobacillus plantarum NCIMB 700965 was isolated from cheese in 1939 and is used as an indicator strain for plantaricin production. The complete genome was determined using both long (PacBio) and short (Illumina) read data resulting in a single, circular chromosome with 3,015,426 bp, a G+C content of 45%, and five plasmids.Copyright © 2019 Heeney and Marco.
Melissococcus plutonius attacks honeybee larvae, causing European foulbrood. Based on their virulence toward larvae, M. plutonius isolates were classified into three types, highly virulent, moderately virulent, and avirulent. We herein performed whole-genome sequencing of M. plutonius isolates with different virulence levels to promote an understanding of the pathogenesis of this disease.Copyright © 2019 Okumura et al.
A collection of bacterial endophytes isolated from stem tissues of plants growing in soils highly contaminated with petroleum hydrocarbons were screened for plant growth-promoting capabilities. Twenty-seven endophytic isolates significantly improved the growth of Arabidopsis thaliana plants in comparison to that of uninoculated control plants. The five most beneficial isolates, one strain each of Curtobacterium herbarum, Paenibacillus taichungensis, and Rhizobium selenitireducens and two strains of Plantibacter flavus were further examined for growth promotion in Arabidopsis, lettuce, basil, and bok choy plants. Host-specific plant growth promotion was observed when plants were inoculated with the five bacterial strains. P. flavus strain M251 increased the total biomass and total root length of Arabidopsis plants by 4.7 and 5.8 times, respectively, over that of control plants and improved lettuce and basil root growth, while P. flavus strain M259 promoted Arabidopsis shoot and root growth, lettuce and basil root growth, and bok choy shoot growth. A genome comparison between P. flavus strains M251 and M259 showed that both genomes contain up to 70 actinobacterial putative plant-associated genes and genes involved in known plant-beneficial pathways, such as those for auxin and cytokinin biosynthesis and 1-aminocyclopropane-1-carboxylate deaminase production. This study provides evidence of direct plant growth promotion by Plantibacter flavusIMPORTANCE The discovery of new plant growth-promoting bacteria is necessary for the continued development of biofertilizers, which are environmentally friendly and cost-efficient alternatives to conventional chemical fertilizers. Biofertilizer effects on plant growth can be inconsistent due to the complexity of plant-microbe interactions, as the same bacteria can be beneficial to the growth of some plant species and neutral or detrimental to others. We examined a set of bacterial endophytes isolated from plants growing in a unique petroleum-contaminated environment to discover plant growth-promoting bacteria. We show that strains of Plantibacter flavus exhibit strain-specific plant growth-promoting effects on four different plant species.Copyright © 2019 American Society for Microbiology.
This work reports the draft genome sequence of Agrobacterium fabrum strain 1D159 (also known as ATCC strain 27912). The assembled genome is composed of a 2,861,352-bp circular chromosome, a 2,058,040-bp linear chromosome, a 519,735-bp AT plasmid, and the 223,394-bp Ti virulence plasmid. The wild nondisarmed strain produces small gall-like structures in citrus.
The complete genome sequence of the gammaproteobacterial isolate Serratia quinivorans 124R consists of 5 Mb over 2 scaffolds and a G+C content of 52.85%. Genes relating to aromatic metabolism reflect its isolation on organosolv lignin as a sole carbon source under anoxic conditions as well as the potential for lignin biorefinery applications.
Haematobacter massiliensis OT1 was isolated from human skin. This strain can catabolize 4-hydroxybenzoate. Here, we present the first complete whole-genome sequence of this species, which has one chromosome (2,467 kbp) and nine plasmids (total of 1,765 kbp). The analysis of the H. massiliensis OT1 genome indicated a potential for autotrophic growth.Copyright © 2019 Lim et al.
We report the complete genome sequence of a colistin-resistant strain of uropathogenic Escherichia coli, isolated in January 2013 at King Abdulaziz Medical City (KAMC), Riyadh, Saudi Arabia. The isolate (named SA186) was sequence type 131 (ST131) and belonged to serotype O25b-H4 and clade B (fimH22).Copyright © 2019 Alghoribi et al.
USA300 is a predominant community-associated methicillin-resistant Staphylococcus aureus strain causing significant morbidity and mortality in North America. We present the full annotated genome sequences of two methicillin-resistant Staphylococcus aureus isolates related to the USA300 pulsotype with the goal of studying the evolutionary relationships of this highly successful strain type.Copyright © 2019 McClure and Zhang.
Myxobacteria are a source of unique metabolites, including corallopyronin A (CorA), a promising antibiotic agent in preclinical development for the treatment of filariasis. To investigate the production of CorA on the genetic level, we present the complete 9.6-Mb genome sequence of the CorA producer Corallococcus coralloides B035. Copyright © 2019 Bouhired et al.
Predominant community-associated methicillin-resistant Staphylococcus aureus strain USA300 is believed to have originated from an ancestral methicillin-susceptible strain, although the details of that evolution remain unknown. To help understand the emergence of this highly successful strain, we sequenced the genomes of two methicillin-susceptible Staphylococcus aureus clinical strains that are very closely related to USA300. Copyright © 2019 McClure and Zhang.
Achromobacter spanius UQ283 is a soilborne bacterium found to exhibit plant growth-promoting and disease-suppressing attributes in several plant species. Accordingly, we used long-read sequencing to determine its complete genome sequence. The assembled genome will aid in understanding the multifaceted interactions between plant growth-promoting rhizobacteria, pathogens, and plants. Copyright © 2019 Wass et al.
Here, we present the complete genome sequence of a Shewanella isolate, TH2012, from a shrimp pond in which shrimp exhibited early mortality syndrome (EMS)/acute hepatopancreatic necrosis disease (AHPND). The complete genome of TH2012 has a prophage-like element and a number of potential virulence factors, making TH2012 a possible contributing factor to EMS outbreaks. Copyright © 2019 Wechprasit et al.
Isolated from Aran-Bidgol Lake in Iran, and reported here, Halorubrum ezzemoulense strain Fb21 represents the first complete genome from this archaeal species. Local recombination in this genome is in stark contrast to equidistant recombination events in bacteria. The genome’s GC bias, however, points to a genome architecture and origin that resemble those of a bacterium. Its availability, genome signatures, and frequent intragenomic recombination mean that Fb21 presents an attractive model organism for this species. Copyright © 2019 Feng et al.
Deinococcus wulumuqiensis 479 (formerly known as Deinococcus radiodurans 479) is the original source strain for the restriction enzyme DrdI. Its complete sequence and full methylome were determined using Pacific Biosciences single-molecule real-time (SMRT) sequencing. Copyright © 2019 Fomenkov et al.
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