Query: NC_009256:277020 Burkholderia vietnamiensis G4 chromosome 1, complete sequence Lineage: Burkholderia vietnamiensis; Burkholderia; Burkholderiaceae; Burkholderiales; Proteobacteria; Bacteria General Information: B. vietnamiensis strain G4 (formerly B.cepacia strain R1808) is the best trichloroethene (TCE) co-oxidizing strain yet discovered, having been isolated from an industrial waste treatment facility at Pensacola Naval Air Station, Florida, U.S.A. Burkholderia vietnamiensis is a member of the Burkholderia cepacia complex which contains a number of closely related Burkholderia species. Burkholderia vietnamiensis is commonly isolated from soil and water and has been studied as a plant growth promoting bacterium and as a bioremediation agent for aromatic hydrocarbons such as benzene and tolulene.
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General Information: This strain (ATCC BAA-672) is a virulent blackleg isolated from the stem of a potato plant. Causative agent for blackleg and soft rot disease in potatoes. Formerly Erwinia, these organisms are plant-specific pathogens that invade the vascular systems of plants. Both Pectobacterium chrysanthemia and Pectobacterium carotovora cause soft-rot diseases of various plant hosts through degradation of the plant cell walls. Pectobacterium colonize the intercellular spaces of plant cells and deliver potent effector molecules (Avr - avirulence) through a type III secretion system (Hrp - hypersensitive response and pathogenicity). Avr proteins control host-bacterium interactions, including host range. Expression of the plant cell-wall-degrading enzymes is controlled through a quorum-sensing mechanism that quantifies the number of Pectobacterium bacteria through measurement of the concentration of small molecules (acyl homoserine lactones) produced by Pectobacterium. Pectobacterium atrosepticum is an environmentally widespread organism that causes blackleg and soft rot disease in potatoes. This organism produces pectolytic enzymes that destroy plant tissue and allow the bacteria to spread.