Query: NC_010676:2720068 Burkholderia phytofirmans PsJN chromosome 2, complete sequence Lineage: Burkholderia phytofirmans; Burkholderia; Burkholderiaceae; Burkholderiales; Proteobacteria; Bacteria General Information: Burkholderia phytofirmans, isolated from surface-sterilized onion roots, is a plant growth-promoting bacterium. Plants inoculated with this organism have larger root systems and are more resistant to pathogens. Cells are gram-negative, non-sporulating rods that grows in the presence of various sugars. The strain does not produce nitrate or nitrite.
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General Information: Originally identified as Pseudomonas sp. LB400 that was found in contaminated soil in upstate New York, USA, this organism is now classified in the genus Burkholderia. Polychlorinated biphenyl-degrading bacterium. Member of the genus Burkholderia are versatile organisms that occupy a surprisingly wide range of ecological niches. These bacteria are exploited for biocontrol, bioremediation, and plant growth promotion purposes. Burkholderia xenovorans has been found on fungi, animals, and from human clinical isolates such as from cystic fibrosis (CF) patients. It may be tightly associated with white-rot fungus, as the degadation of lignin by the fungus results in aromatic compounds the bacterium can then degrade. This organism is exceptionally capable of degradation of polychlorinated biphenyls (PCBs), which are environmental pollutants, and thus it may play a role in bioremediation of polluted and toxic sites and is studied as a model bioremediator. PCBs can be utilized as the sole carbon and energy source by this organism. The pathways for degradation of PCBs have been extensively characterized at both the genetic and the molecular level and have become a model system for the bacterial breakdown of these very persistent environmental contaminants.