Here we report the complete genome sequence of Staphylococcus xylosus S170, strong biofilm-producing strain, which comprised a single circular 2,910,005 bp chromosome and 32.97% G + C content. The genome included 2,674 protein-coding sequences, 22 rRNA genes, and 57 tRNA genes. Gene analysis of S. xylosus S170 could contribute to better understanding of biofilm-forming mechanisms.
Halophilic microorganisms have great potentials towards biotechnological applications. Halomonas hydrothermalis Y2 is a halotolerant and alkaliphilic strain that isolated from the Na+-rich pulp mill wastewater. The strain is dominant in the bacterial community of pulp mill wastewater and exhibits metabolic diversity in utilizing various substrates. Here we present the genome sequence of this strain, which comprises a circular chromosome 3,933,432 bp in size and a GC content of 60.2%. Diverse genes that encoding proteins for compatible solutes synthesis and transport were identified from the genome. With a complete pathway for ectoine synthesis, the strain could produce ectoine from monosodium glutamate and further partially secreted into the medium. In addition, around 20% ectoine was increased by deleting the ectoine hydroxylase (EctD). The genome sequence we report here will provide genetic information regarding adaptive mechanisms of strain Y2 to its harsh habitat, as well as facilitate exploration of metabolic strategies for diverse compatible solutes, e.g., ectoine production. Copyright © 2018 Elsevier B.V. All rights reserved.
Pseudonocardia autotrophica NBRC 12743 contains a cytochrome P450 vitamin D3hydroxylase, and it is used as a biocatalyst for the commercial produc- tion of hydroxyvitamin D3, a valuable compound for medication. Here, we report the complete genome sequence of P. autotrophica NBRC 12743, which could be useful for improving the productivity of hydroxyvitamin D3.
Here, we report the draft genome sequence of Faecalimonas umbilicata JCM 30896T, an acetate-producing bacterium isolated from human feces. The genomic analysis reveals genes for acetate and vitamin B12synthesis and will facili- tate the study of the role of this strain in the human gut.
In the European Union, Salmonella enterica subsp. enterica serovar Derby is the most abundant serotype isolated from pork. Recent studies have shown that this serotype is polyphyletic. However, one main genomic lineage, characterized by sequence type 40 (ST40), the presence of the Salmonella pathogenicity island 23, and showing resistance to streptomycin, sulphonamides, and tetracycline (STR-SSS- TET), is pork associated. Here, we describe the complete genome sequence of a strain from this lineage isolated in France.
Enterococcus gilvus CR1, isolated from raw cow’s milk, can produce carotenoids. The complete genome sequence of this strain was determined using the PacBio RS II platform. The assembly was found to contain a circular chromosome, including carotenoid biosynthesis genes, and comprises 2,863,043 bp, with a GC content of 41.86% and three plasmids.
Here, we report the complete genome sequence of Weissella cibaria M2, a potential probiotic strain isolated from the feces of a giant panda (Ailuropoda melanoleuca). The genome consists of one chromosome of 2.56 Mb and two plas- mids. The genome contains 2,420 genes which make up 86.17% of genome.
We report the complete genome sequences of two strains of the Alphaproteobacteria genus Rhodobacter, Rhodobacter blasticus 28/5, the source of the commercially available enzyme RsaI, and a new isolate of Rhodobacter sphaeroides 2.4.1. Both strains contain multiple restriction-modification systems, and their DNA methylation motifs are included in this report.
Salinisphaera sp. strain LB1 was isolated from Lake Brown, Western Aus- tralia, surface water enriched at pH 4.0 and with 5% (wt/vol) NaCl. The complete ge- nome sequence is presented in this report.
A moderately halophilic and alkalitolerant bacterial strain NKC1-1T was isolated from commercial kimchi in Korea. Strain NKC1-1T was Gram-stain-positive, aerobic, rod-shaped, non-motile, and contained diaminopimelic acid-type murein. Cell growth was observed in a medium containing 0-25% (w/v) NaCl (optimal at 10% [w/v]), at 20-40°C (optimal at 37°C) and pH 6.5-10.0 (optimal at pH 9.0). The major isoprenoid quinone of the isolate was menaquinone-7, and the major polar lipids were phosphatidylglycerol and unidentified phospholipids. Cell membrane of the strain contained iso-C17:0 and anteiso-C15:0 as the major fatty acids. Its DNA G + C content was 45.2 mol%. Phylogenetic analysis indicated the strain to be most closely related to Geomicrobium halophilum with 92.7-92.9% 16S rRNA gene sequence similarity. Based on polyphasic taxonomic evaluation with phenotypic, phylogenetic, and chemotaxonomic analyses, the strain represents a novel species in a new genus, for which the name Salicibibacter kimchii gen. nov., sp. nov. is proposed (= CECT 9537T; KCCM 43276T).
Water kefir is a traditional fermented beverage made from sucrose, water, kefir granules, dried or fresh fruits. In our water kefir granules, Lactobacillus (L.) hordei is one of the predominant lactic acid bacteria (LAB) species of this presumed symbiotic consortium. It faces abundant sucrose versus limitation of amino- and fatty acids in an acidic environment. Sequencing of the genome of L. hordei TMW 1.1822 revealed one chromosome plus three plasmids. The size of the chromosome was 2.42?Mbp with a GC content of 35% GC and 2461 predicted coding sequences. Furthermore, we identified 1474 proteins upon growth on water kefir medium. Metabolic prediction revealed all enzymes required for the glycolytic Embden-Meyerhof (EMP) and phosphoketolase (PKP) pathways. Genes encoding all enzymes involved in citrate, pyruvate and mannitol metabolism are present. Moreover, it was confirmed that L. hordei is prototrophic for 11 amino acids and auxotrophic for 6 amino acids when combining putative biosynthesis pathways for amino acids with physiological characterization. Still, for glycine, serine and methionine no sure auxotype could be determined. The OppABCDF peptide transport system is complete, and 13 genes encoding peptidases are present. The arginine deiminase system, was predicted to be complete except for carbamate kinase, thus enabling neutralization reactions via ammonium formation but no additional energy generation. Taken together our findings enable prediction of the L. hordei lifestyle in water kefir: Abundant sucrose is consumed directly via parallel EMP and PK pathways and is also extracellularly converted to dextran and fructose by a glucansucrase, leaving fructose as additional carbon source. Essential amino acids (in the form of peptides) and citrate are acquired from fruits. In the lack of FabB unsaturated fatty acids are synthesized by predicted alternative enzymes. Formation of acetoin and diacetyl as well as arginine conversion reactions enable acidification limitation. Other members of the water kefir consortium (yeasts, acetic acid bacteria) likely facilitate or support growth of L. hordei by delivering gluconate, mannitol, amino- and fatty acids and vitamins. Copyright © 2018 Elsevier B.V. All rights reserved.
Rhodobacter sphaeroides consists of two chromosomes and many plasmids and incorporates many environmentally important functional gene. Rhodobacter sphaeroides MBTLJ-8 was derived from R. sphaeroides 2.4.1 using chemical mutagenesis and is characterized by enhanced production of physiological active compounds as well as improved carbon dioxide reduction capacity. We reported the complete genome sequence and characteristics based on genomic information of this bacteria. Therefore, this genome sequence provides elucidation for improved CO2 fixation and enhanced physiological active compounds production, and will be used as the efficient photosynthetic bacteria for the biological CO2 reduction system. Copyright © 2018 Elsevier B.V. All rights reserved.
Streptomyces sp. strain AcE210 exhibited antibacterial activity toward Gram-positive microorganisms and turned out to be a rare producer of the special- ized metabolite xanthocidin. The 10.6-Mb draft genome sequence gives insight into the complete specialized metabolite production capacity and builds the basis to find and locate the biosynthetic gene cluster of xanthocidin.
Chryseobacterium indologenes PgBE177, isolated from the root tissue of a 4-year-old Panax quinquefolius plant, showed antagonistic activity against Pseu- domonas syringae pv. tomato DC3000, a bacterial pathogen. Here, we report the whole-genome sequence of C. indologenes PgBE177. The bacterium contains bacteri- ocin gene clusters and has the potential to stimulate plant growth.
Leptospirosis is a zoonosis caused by Leptospira, a diversified genus containing more than 10 pathogenic species. Tenrecs are small terrestrial mammals endemic in the Malagasy region and are known to be reservoirs of the recently de- scribed species Leptospira mayottensis. We report the complete genome sequences of three L. mayottensis strains isolated from two tenrec species.
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