Query: NC_012881:2957309 Desulfovibrio salexigens DSM 2638, complete genome Lineage: Desulfovibrio salexigens; Desulfovibrio; Desulfovibrionaceae; Desulfovibrionales; Proteobacteria; Bacteria General Information: Isolation: mud in British Guyana; Temp: Mesophile; Temp: 37 C; Habitat: Mud. Desulfovibrio are sulfate-reducing bacteria which reduce sulfate to sulfide found in soil, freshwater, saltwater and the intestinal tract of animals. These organisms typically grow anaerobically, although some can tolerate oxygen, and they utilize a wide variety of electron acceptors, including sulfate, sulfur, nitrate, and nitrite, as well as others. A number of toxic metals are reduced, including uranium (VI), chromium (VI) and iron (III), making these organisms of interest as bioremediators. These organisms are responsible for the production of poisonous hydrogen sulfide gas in marine sediments and in terrestrial environments such as drilling sites for petroleum products.
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General Information: A nematode endosymbiont. This group of bacteria are associated with a variety of invertebrate species, some as pathogens, some in a symbiotic relationship. Typically these organisms are transmitted maternally from mother to daughter transovarially (through the egg) although these bacteria can affect their hosts reproductive capabilities in order to enhance transmission. The net outcome is the increase of hosts carrying the bacteria in the next generation, thereby increasing transmission. This strain naturally infects Brugia malayi, a parasitic filarial nematode that causes lymphatic filariasis, one of the most devastating diseases in humans. The endosymbiont plays important roles in the biology of the nematide host. One of the known such effects are aberrant sex ratios in the host, parthenogenesis and feminization of genetic males, etc.