We report here the complete genome sequence of Lactobacillus johnso- nii strain Byun-jo-01, which was isolated from the murine gastrointestinal tract. The genome was determined using both PacBio and Illumina sequencing. L. johnsonii strain Byun-jo-01 contains a single circular chromosome of 1,959,519 bp, and its GC content is 34.7%.
We have identified the whole-genome sequence of Lactobacillus sali- varius DJ-sa-01, a potential probiotic strain for poultry, isolated from a chicken small intestine. We used the PacBio and Illumina platforms to obtain the sequence of the entire single circular chromosome.
Abyssivirga alkaniphila strain L81T, recently isolated from a black smoker biofilm at the Loki’s Castle hydrothermal vent field, was previously described as a mesophilic, obligately anaerobic heterotroph able to ferment carbohydrates, peptides, and aliphatic hydrocarbons. The strain was classified as a new genus within the family Lachnospiraceae. Herein, its genome is analyzed and A. alkaniphila is reassigned to the genus Vallitalea as a new strain of V. guaymasensis, designated V. guaymasensis strain L81. The 6.4 Mbp genome contained 5651 protein encoding genes, whereof 4043 were given a functional prediction. Pathways for fermentation of mono-saccharides, di-saccharides, peptides, and amino acids were identified whereas a complete pathway for the fermentation of n-alkanes was not found. Growth on carbohydrates and proteinous compounds supported methane production in co-cultures with Methanoplanus limicola. Multiple confurcating hydrogen-producing hydrogenases, a putative bifurcating electron-transferring flavoprotein—butyryl-CoA dehydrogenase complex, and a Rnf-complex form a basis for the observed hydrogen-production and a putative reverse electron-transport in V. guaymasensis strain L81. Combined with the observation that n-alkanes did not support growth in co-cultures with M. limicola, it seemed more plausible that the previously observed degradation patterns of crude-oil in strain L81 are explained by unspecific activation and may represent a detoxification mechanism, representing an interesting ecological function. Genes encoding a capacity for polyketide synthesis, prophages, and resistance to antibiotics shows interactions with the co-occurring microorganisms. This study enlightens the function of the fermentative microorganisms from hydrothermal vents systems and adds valuable information on the bioprospecting potential emerging in deep-sea hydrothermal systems.
Pseudomonas kribbensis is a novel species belonging to the Pseudomonas fluorescens intrageneric group of the genus Pseudomonas. Herein, we report the complete genome sequence of strain 46-2T, isolated from garden soil in Daejeon, South Korea. The 6.32-Mb chromosome contains 5,626 coding sequences with a G+C content of 60.55%.
Bacillus cereus PgBE311, isolated from the root tissue of a 5-year-old Panax ginseng plant, showed activities against the fungal pathogens Cylindrocarpon destructans and Botrytis cinerea. Here, we report the genome sequence of B. cereus PgBE311. The bacterium contains antibiotic-related gene clusters and has the potential to stimulate plant growth.
The extensively antibiotic-resistant Acinetobacter baumannii isolate WM99c recovered in Sydney, Australia, in 1999 is an early representative of a distinct lineage of global clone 2 (GC2) seen on the east coast of Australia. We present the complete 4.121-Mbp genome sequence (chromosome plus 2 plasmids), generated via long-read sequencing (PacBio).
We present here the complete genome sequence of Lactococcus lactis strain 14B4, isolated from almond drupes in northern California. This strain was observed to inhibit the growth of Salmonella enterica serotype Poona strain RM3363 in vitro.
Lactic acid bacteria (LAB) are generally recognized as safe (GRAS) and serve as probiotic bacteria when consumed in adequate amounts. Here, we report the complete genome sequence of Lactobacillus reuteri Byun-re-01, isolated from mouse small intestine.
Clostridium formicoaceticum, a Gram-negative mixotrophic homoacetogen, produces acetic acid as the sole metabolic product from various carbon sources, including fructose, glycerol, formate, and CO2. Its genome of 4.59-Mbp contains a highly conserved Wood-Ljungdahl pathway gene cluster with the same layout as that in other mixotrophic acetogens, including Clostridium aceticum, Clostridium carboxidivorans, and Clostridium ljungdahlii. For energy conservation, C. formicoaceticum does not have all the genes required for the synthesis of cytochrome or quinone used for generating proton gradient in H+-dependent acetogens such as Moorella thermoacetica; instead, it has the Rnf system and a Na+-translocating ATPase similar to the one in Acetobacterium woodii. Its growth in both heterotrophic and autotrophic media were dependent on the sodium concentration. C. formicoaceticum has genes encoding acetaldehyde dehydrogenases, alcohol dehydrogenases, and aldehyde oxidoreductases, which could convert acetyl-CoA and acetate to ethanol and butyrate to butanol under excessive reducing equivalent conditions. Copyright © 2018 Elsevier Inc. All rights reserved.
Lactobacillus reuteri SKKU-OGDONS-01 is a potentially indigenous probiotic strain isolated from the small intestine of a 27-week-old chicken. The complete genome of L. reuteri SKKU-OGDONS-01 comprises a single circular chromosome. Its length is 2,259,968?bp, with a G+C content of 38.9%.
Bacillus subtilis WB800N is a genetically engineered variant of B. subtilis 168, such that all extracellular proteases are disrupted, which enables WB800N to be widely used for the expression of secretory proteins. Here, we report the 4.2-Mb complete genome sequence of WB800N and present all of the disrupted gene structure.
Fusarium oxysporum is a pathogenic fungus that infects hundreds of plant species. This paper reports the improved genome assembly of a reference strain, F. oxysporum f. sp. lycopersici Fol4287, a tomato pathogen.
A Gram-positive, rod-shaped, ivory colored, and motile, Lactobacillus koreensis 26-25 was isolated from Korean kimchi. Strain 26-25 showed the ability of conversion from major ginsenosides into minor ginsenosides for which whole genome was sequenced. The whole genome sequence of Lactobacillus koreensis 26-25 consisted of one circular chromosome comprised of 3,006,812 bp, with a DNA G + C content of 49.23%. The whole genome analysis of strain 26-25 showed many glycosides hydrolase genes, which may contribute to identify the genes responsible for transformation of major ginsenosides into minor ginsenosides for its high pharmacological effects.
The genus of Olsenella has been isolated from vertebrate animal mouth, rumen, and feces. Olsenella sp. KGMB 04489 was isolated from fecal samples obtained from a healthy Korean. The whole-genome sequence of Olsenella sp. KGMB 04489 was analyzed using the PacBio Sequel platform. The genome comprises a 2,108,034 bp chromosome with a G + C content of 65.50%, 1,838 total genes, 13 rRNA genes, and 52 tRNA genes. Also, we found that strain KGMB 04489 had some genes for hydrolysis enzymes, and antibiotic biosynthesis and resistance in its genome based on the result of genome analysis.
Recently, we isolated a multidrug-resistant Escherichia coli strain KBN10P04869 from a patient with acute myeloid leukemia. We report the complete genome of this strain which consists of 5,104,264 bp with 4,457 protein-coding genes, 88 tRNAs, and 22 rRNAs, and the co-occurrence of multidrug- resistant genes including bla CMY-2, bla TEM-1, bla CTX-M-15, bla NDM-5, and blaOXA-18.
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