Pre_GI: SWBIT SVG BLASTN

Query: NC_000911:1358846 Synechocystis sp. PCC 6803, complete genome

Lineage: Synechocystis; Synechocystis; ; Chroococcales; Cyanobacteria; Bacteria

General Information: This cyanobacterium was isolated from a freshwater lake in 1968 and is easily transformed by exogenous DNA. The photosynthetic apparatus is very similar to the one found in plants. This organism also exhibits phototactic movement.

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BLASTN Alignment.txt

Subject: NC_010628:7493599 Nostoc punctiforme PCC 73102, complete genome

Lineage: Nostoc punctiforme; Nostoc; Nostocaceae; Nostocales; Cyanobacteria; Bacteria

General Information: The strain was isolated from a symbiotic association with the gymnosperm cycad Macrozamia sp. It typically grows in freshwater habitats. This genera of cyanobacteria are typically terrestrially-associated and are especially found in limestone or nutrient-poor soils. They are very similar to Anabaena spp. and historically they have been distinguished on the basis of morphological and life cycle characteristics. Nostoc spp. can grow heterotrophically or photoheterotrophically, and form heterocysts for nitrogen fixation. This organism can form nitrogen-fixing symbiotic relationships with plants and fungi such as the bryophyte Anthoceros punctatus. The relationship is relatively simple as compared to the Rhizobial symbiotic relationship. In the presence of the plant, hormogonia (short motile filaments) infect the plant, and then form long heterocyst-containing (nitrogen-fixing differentiated bacterial cells) filaments. The bacterial cell receives carbon sources in exchange for fixed nitrogen.