Dataset Information

Genome Sequence of Cupriavidus metallidurans Strain H1130, Isolated from an Invasive Human Infection.

ABSTRACT: Cupriavidus metallidurans H1130 was repeatedly isolated from different blood culture sets taken from a patient suffering from significant nosocomial septicemia. Here, we announce the H1130 genome sequence for use in comparative analyses and for exploring the adaptation and pathogenic potential of this bacterium.

SUBMITTER: Monsieurs P

PROVIDER: S-EPMC3861436 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Genome Sequence of Cupriavidus metallidurans Strain H1130, Isolated from an Invasive Human Infection.

Monsieurs Pieter P Provoost Ann A Mijnendonckx Kristel K Leys Natalie N Gaudreau Christiane C Van Houdt Rob R

Genome announcements 20131212 6

Cupriavidus metallidurans H1130 was repeatedly isolated from different blood culture sets taken from a patient suffering from significant nosocomial septicemia. Here, we announce the H1130 genome sequence for use in comparative analyses and for exploring the adaptation and pathogenic potential of this bacterium. ...[more]

PMID: 24336383

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Project description:The highly heavy metal resistant strain Cupriavidus metallidurans BS1 was isolated from the Zijin gold-copper mine in China. This was of particular interest since the extensively studied, closely related strain, C. metallidurans CH34 was shown to not be only highly heavy metal resistant but also able to reduce metal complexes and biomineralizing them into metallic nanoparticles including gold nanoparticles. After isolation, C. metallidurans BS1 was characterized and complete genome sequenced using PacBio and compared to CH34. Many heavy metal resistance determinants were identified and shown to have wide-ranging similarities to those of CH34. However, both BS1 and CH34 displayed extensive genome plasticity, probably responsible for significant differences between those strains. BS1 was shown to contain three prophages, not present in CH34, that appear intact and might be responsible for shifting major heavy metal resistance determinants from plasmid to chromid (CHR2) in C. metallidurans BS1. Surprisingly, the single plasmid - pBS1 (364.4 kbp) of BS1 contains only a single heavy metal resistance determinant, the czc determinant representing RND-type efflux system conferring resistance to cobalt, zinc and cadmium, shown here to be highly similar to that determinant located on pMOL30 in C. metallidurans CH34. However, in BS1 another homologous czc determinant was identified on the chromid, most similar to the czc determinant from pMOL30 in CH34. Other heavy metal resistance determinants such as cnr and chr determinants, located on megaplasmid pMOL28 in CH34, were shown to be adjacent to the czc determinant on chromid (CHR2) in BS1. Additionally, other heavy metal resistance determinants such as pbr, cop, sil, and ars were located on the chromid (CHR2) and not on pBS1 in BS1. A diverse range of genomic rearrangements occurred in this strain, isolated from a habitat of constant exposure to high concentrations of copper, gold and other heavy metals. In contrast, the megaplasmid in BS1 contains mostly genes encoding unknown functions, thus might be more of an evolutionary playground where useful genes could be acquired by horizontal gene transfer and possibly reshuffled to help C. metallidurans BS1 withstand the intense pressure of extreme concentrations of heavy metals in its environment.

Dataset Information

Genome Sequence of Cupriavidus metallidurans Strain H1130, Isolated from an Invasive Human Infection.

Publications

Genome Sequence of Cupriavidus metallidurans Strain H1130, Isolated from an Invasive Human Infection.

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