Pre_GI: SWBIT SVG BLASTP

Query: NC_003305:1297785 Agrobacterium tumefaciens str. C58 chromosome linear, complete

Lineage: Agrobacterium tumefaciens; Agrobacterium; Rhizobiaceae; Rhizobiales; Proteobacteria; Bacteria

General Information: Gram-negative soil bacterium. This is the most widely studied species in the genus. Strains of Agrobacterium are classified in three biovars based on their utilisation of different carbohydrates and other biochemical tests. The differences between biovars are determined by genes on the single circle of chromosomal DNA. Biovar differences are not particularly relevant to the pathogenicity of A. tumefaciens, except in one respect: biovar 3 is found worldwide as the pathogen of gravevines. This species causes crown gall disease of a wide range of dicotyledonous (broad-leaved) plants, especially members of the rose family such as apple, pear, peach, cherry, almond, raspberry and roses. Because of the way that it infects other organisms, this bacterium has been used as a tool in plant breeding. Any desired genes, such as insecticidal toxin genes or herbicide-resistance genes, can be engineered into the bacterial DNA, and then inserted into the plant genome. This process shortens the conventional plant breeding process, and allows entirely new (non-plant) genes to be engineered into crops.

Subject: NC_003919:4568892 Xanthomonas axonopodis pv. citri str. 306, complete genome

Lineage: Xanthomonas citri; Xanthomonas; Xanthomonadaceae; Xanthomonadales; Proteobacteria; Bacteria

General Information: This organism is the causal agent of citrus canker, a bacterial infection originating from southeast Asia which now occurs worldwide. Primarily a pathogen of plants in the Citrus genus, the disease is sometimes also found in other members of the Rutaceae. The bacterium survives in leaf, shoot and fruit lesions that develop during the spring, and which also cause secondary infections. During warm, wet weather in spring and early summer, the bacterium oozes out of overwintering lesions and infects new growth via the stomal pores or wounds. The bacterium may also survive for various periods of time in the soil or associated with other hosts.