Query: NC_005125:4117096 Gloeobacter violaceus PCC 7421, complete genome Lineage: Gloeobacter violaceus; Gloeobacter; ; Gloeobacterales; Cyanobacteria; Bacteria General Information: This organism was isolated from a calcereous (chalky) rock in Switzerland. Photosynthetic bacterium. This organism is an obligate photoautotroph that lacks thylakoid membranes and probably has its photosynthetic machinery in the cytoplasmic membrane with various components exposed to the periplasm whereas in other cyanobacteria the components are situated in the thylakoid membrane and are exposed to the cytoplasm. This unusual arrangement may be due to the lack of various fatty acids that are found in the thylakoid membrane in other cyanobacteria. It has been predicted that this organism was one of the earliest to diverge from the cyanobacterial line.
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General Information: Phytopathogen that causes bacterial wilt and canker of tomato (Lycopersicon esculentum). This is considered to be the most important bacterial disease of tomato causing substantial economic losses worldwide. Bacteria enter the plant by wounds on root or stem and then find their way into the xylem allowing a massive systemic colonization. The first stage of the disease is characterized by unilateral wilting of leaves. Wilting then spreads to all leaves, canker lesions develop on the stem and the plant dies. If infection occurs at a late stage of plant development, plants can survive and yield fruit that may have spots, so called bird's eyes. Often the seeds will be infected and this has been the major source for outbreaks of Clavibacter michiganensis subsp. michiganensis infections in agriculture. Members of the Clavibacter genus are known to produce antimicrobial compounds.