Cupriavidus metallidurans

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Type strain:. Culture col. Strain history: CIP. Cupriavidus metallidurans CH34 is a facultative anaerobe, mesophilic, Gram-negative bacterium that was isolated from decantation tank of zink factory. Note that changes will be reviewed and judged. If your changes are legitimate, changes will occur within the next Bac Dive update.

Cupriavidus metallidurans

Federal government websites often end in. The site is secure. We describe the first case of invasive human infection a nosocomial septicemia caused by Cupriavidus metallidurans. This metal-resistant bacterium has not been reported to be pathogenic in humans or animals. A year-old Caucasian man, known to have type 2 diabetes, arteriosclerotic heart disease, dyslipidemia, arterial hypertension, and obesity kg , underwent a radical cystoprostatectomy with ileal duct and ileostomy for a vesical high-grade carcinoma with four pelvic lymph nodes positive for neoplasia. A subtotal pancreatectomy and splenectomy were performed simultaneously for a pancreatic neuroendocrine tumor. In each instance, the patient was treated with antimicrobial agents and drainage. Ten weeks after the initial operation, the patient presented with a fever with leukocytosis. At this time, the patient had necrotic abdominal wounds and two abdominal drains. The site of the left subclavian central catheter was normal.

Plasmids for heavy metal resistance in Alcaligenes eutrophus CH mechanisms and applications.

Cadmium is a highly toxic heavy metal for biological systems. Cupriavidus metallidurans CH34 is a model strain to study heavy metal resistance and bioremediation as it is able to deal with high heavy metal concentrations. The aim of this study was to characterize the response of C. Inhibition of the initiation of biofilm formation and EPS production by C. Planktonic and biofilm cells showed similar tolerance to cadmium. During exposure to cadmium an acute decrease of c-di-GMP levels in planktonic and biofilm cells was observed.

Federal government websites often end in. The site is secure. Recent discovery on the potential use of a bacterium has revealed that it can yield carat gold in one week. Scientists from Michigan State University, USA, Kazem Kashefi, assistant professor of microbiology and Adam Brown, associate professor of electronic art and intermedia, found that a bacterium, Cupriavidus metallidurans previously known as Ralstonia metallidurans [ 1 ] that belongs to beta class of proteobacteria can grow on a substantial concentration of toxic gold chloride also known as liquid gold. The bacterium with such potential was first isolated in from the sludge of a metal processing factory located in Belgium [ 3 ]. Its ability to detoxify gold complexes by transforming them into metallic gold was discovered in [ 4 ]. When discovered, the bacterium was initially found to be resistant to cadmium but subsequent studies identified that this strain is multi-metal resistant and has two plasmids pMOL28 and pMOL30 which harbor multiple loci for metal resistance [ 5 ].

Cupriavidus metallidurans

Copper Cu is important for plant growth, but high concentrations can lead to detrimental effects such as primary root length inhibition, vegetative tissue chlorosis, and even plant death. The interaction between plant-soil microbiota and roots can potentially affect metal mobility and availability, and, therefore, overall plant metal concentration. Cupriavidus metallidurans CH34 is a multi metal-resistant bacterial model that alters metal mobility and bioavailability through ion pumping, metal complexation, and reduction processes.

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A Genes involved in c-di-GMP metabolism. Although other Cupriavidus species such as C. Rao, F. Biochemical effects of mercury, cadmium, and lead. When documented in bronchial secretions of two patients with cystic fibrosis, its pathogenic or colonizing role could not be determined, as clinical data were unavailable 4. S2CID Type strain:. Biofilms are also involved in bioreduction processes through electrically conductive components Harrison et al. Regulation of biofilm formation in Pseudomonas and Burkholderia species. Karafin M. IET Nanobiotechnol. Ultrasensitivity and heavy-metal selectivity of the allosterically modulated MerR transcription complex. Two different isolates of this bacterium were identified by nearly full 16S rRNA gene sequencing 1. Appl Microbiol Biotechnol.

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A case of a 74 year old man infected with Cupriavidus metallidurans has been documented, [14] possibly raising concerns about the safety of using the bacteria for industrial purposes. To discard sample processing bias, biofilm cells were suspended in a mixture of 10 mL of LPTMS, separating a 1 mL aliquot for total protein content determination. Automatically annotated from API zym. Hellemans, J. A correction has been applied to this article in:. Nies; H. This artwork received an honorable, mentioned in the world renowned cyber art competition, Prix Ars Electronica , held in Austria [ 7 ]. Geer, L. So, one should not see this as a golden investment in economic crisis. All aforementioned gene products are enzymes that promote EPS production and surface adherence toward robust biofilms.