Query: NC_006677:1596560 Gluconobacter oxydans 621H, complete genome Lineage: Gluconobacter oxydans; Gluconobacter; Acetobacteraceae; Rhodospirillales; Proteobacteria; Bacteria General Information: Industrially useful bacterium. Gluconobacter oxydans is a member of the Acetobacteraceae family within the alpha proteobacteria and can be isolated from flowers, fruits, and fermented beverages. This organism uses membrane-associated dehydrogenases to incompletely oxidize a wide variety of carbohydrates and alcohols. Oxidation occurs in the periplasm with the products being released into the medium via outer membrane porins and the electrons entering the electron transport chain. Able to oxidize large amounts of substrates, making it useful for industrial purposes. Among other applications, it has been used to produce 2-ketogluconic for iso-ascorbic acid production, 5-ketogluconic acid from glucose for tartaric acid production, and L-sorbose from sorbitol for vitamin C synthesis.
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General Information: Gluconacetobacter diazotrophicus strain PAL5 (ATCC 49037) was isolated from sugarcane roots in Brazil and will be used for comparative analysis. Nitrogen-fixing plant symbiont. This acid-tolerant organism is endophytic and colonizes internal plant tissues, establishing a symbiotic relationship with its host. This bacterium has been found in sugarcane, coffee, rice, tea, and other plants. The nitrogen-fixation systems of the bacterium provide the plant with essential nitrogenous compounds while the plant provides a protected environment for the bacterium to grow in. Nitrogen-fixation is important for sugarcane production, and this organism can fix nitrogen even in the presence of nitrate.