Query: NC_013159:3423500 Saccharomonospora viridis DSM 43017, complete genome Lineage: Saccharomonospora viridis; Saccharomonospora; Pseudonocardiaceae; Actinomycetales; Actinobacteria; Bacteria General Information: This organism has been implicated in a range of hypersensitivity pneumonitides, including farmer's lung disease. Symptoms of the disease develop in susceptible individuals following the inhalation of spores from overheated materials such as moldy hay and bagasse, or from forced-air heating and humidification systems. Prolonged exposure to the antigens results in acute respiratory distress which may lead to irreversible lung damage. Saccharomonospora viridis DSM 43017 was isolated from Irish peat and was originally classified as Thermomonospora viridis.
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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.