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Whole-genome sequence data and analysis of type strains 'Pusillimonas nitritireducens' and 'Pusillimonas subterraneus' isolated from nitrate- and radionuclide-contaminated groundwater in Russia.

ABSTRACT: Two strains, 'Pusillimonas nitritireducens' JR1/69-2-13T and 'Pusillimonas subterraneus' JR1/69-3-13T, of aerobic, motile, Gram-negative, non-spore-forming, organotrophic, psychrotolerant bacteria were isolated from a sample of nitrate- and radionuclide-contaminated groundwater in Russia. Here we describe the draft genomes of these strains. The sequenced and annotated genome of the strain JR1/69-2-13T contained 4.3 Mbp with 4108 protein-coding genes. The genome of the strain JR1/69-3-13T contained 4.5 Mbp with 4260 protein-coding genes. Genome analysis of both strains provides an insight into the genomic basis of their resistance to nitrate, heavy metals and metalloids. The draft genome sequences of strains 'Pusillimonas nitritireducens' JR1/69-2-13T and 'Pusillimonas subterraneus' JR1/69-3-13T are available at DDBJ/EMBL/GenBank under the accession nos. https://www.ncbi.nlm.nih.gov/nuccore/PDNV00000000 and https://www.ncbi.nlm.nih.gov/nuccore/PDNW00000000, respectively.

SUBMITTER: Grouzdev DS

PROVIDER: S-EPMC6222257 | biostudies-other | 2018 Dec

REPOSITORIES: biostudies-other

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Whole-genome sequence data and analysis of type strains 'Pusillimonas nitritireducens' and 'Pusillimonas subterraneus' isolated from nitrate- and radionuclide-contaminated groundwater in Russia.

Grouzdev Denis S DS Tourova Tatiyana P TP Babich Tamara L TL Shevchenko Margarita A MA Sokolova Diyana S DS Abdullin Ruslan R RR Poltaraus Andrey B AB Toshchakov Stepan V SV Nazina Tamara N TN

Data in brief 20181025

Two strains, 'Pusillimonas nitritireducens' JR1/69-2-13T and 'Pusillimonas subterraneus' JR1/69-3-13T, of aerobic, motile, Gram-negative, non-spore-forming, organotrophic, psychrotolerant bacteria were isolated from a sample of nitrate- and radionuclide-contaminated groundwater in Russia. Here we describe the draft genomes of these strains. The sequenced and annotated genome of the strain JR1/69-2-13T contained 4.3 Mbp with 4108 protein-coding genes ...[more]

PMID: 30426040

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Project description:Background and aimHistophilus somni is a Gram-negative bacterium belonging to the Pasteurellaceae family that can cause bovine histophilosis. Histophilus may act as a commensal or opportunistic bacterial cattle pathogen. Comparing genomes of the pathogenic strain 2336 with the non-pathogenic preputial 129Pt isolate revealed some putative virulence factors. The study of the complete genomes of H. somni strains circulating in Russia has never been conducted before. This study aimed to identify genetic features of the H. somni strains isolated in Russia and evaluate the possibility of using strains for vaccine development.Materials and methodsThree strains of H. somni were isolated from different sources. Strain 188-VIEV was isolated from a vaginal swab sample of cattle with endometritis. 532-VIEV and 551-VIEV were cultured from the cryopreserved bull semen samples imported from Canada. Histophilus somni strain ATCC 700025 provided by ATCC (American Type Culture Collection) was also used in the study. DNA extraction was performed using QIAamp DNA Mini Kit (QIAGEN, USA). The whole-genome sequencing of the four strains was performed using Illumina Miseq. The comparison of the resulting sequences with the complete genomes of H. somni 2336 and 129Pt, and detection of the resistance genes and virulence factors, was performed using the ResFinder and Virulence Factor Database web services.ResultsThe genome size of the samples varied from 1.9 to 2.3 Mb. The number of coding sequences varied from 1795 to 2256. The average sequence density was 90%. The total guanine-cytosine (GC) content was 36.8%-37.2%, which coincided with data previously obtained for H. somni. Three out of four studied strains encoded putative virulence factors such as filamentous hemagglutinin homologs, lipooligosaccharide biosynthesis proteins, and proteins involved in iron transport and utilization. The Ser83Ile substitution was identified in the DNA topoisomerase II (gyrA) in H. somni strains 532-VIEV and 551-VIEV cultured from bull semen which led to resistance to fluoroquinolones. The gene (AAC-6-Ia + APH-2'') encoding a bifunctional aminoglycoside modification enzyme was detected in strain 551-VIEV.ConclusionStrains with virulence genes identified could be candidates for designing vaccines and potentially represent antigen sources. The results show that antibiotic-resistant H. somni can be spread with semen used for artificial insemination.

Dataset Information

Whole-genome sequence data and analysis of type strains 'Pusillimonas nitritireducens' and 'Pusillimonas subterraneus' isolated from nitrate- and radionuclide-contaminated groundwater in Russia.

Publications

Whole-genome sequence data and analysis of type strains '<i>Pusillimonas nitritireducens'</i> and '<i>Pusillimonas subterraneus'</i> isolated from nitrate- and radionuclide-contaminated groundwater in Russia.

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