Query: NC_000917:1778173 Archaeoglobus fulgidus DSM 4304, complete genome Lineage: Archaeoglobus fulgidus; Archaeoglobus; Archaeoglobaceae; Archaeoglobales; Euryarchaeota; Archaea General Information: This is the type strain (DSM 4304) of the Archaeoglobales, and was isolated from a geothermally heated sea floor at Vulcano Island, Italy. Doubling time is four hours under optimal conditions. The organism is an autotrophic or organotrophic sulfate/sulfite respirer. An additional distinguishing characteristic is blue-green fluorescence at 420 nm. This bacterium is the first sulfur-metabolizing organism to have its genome sequence determined. Growth by sulfate reduction is restricted to relatively few groups of prokaryotes; all but one of these are Eubacteria, the exception being the archaeal sulfate reducers in the Archaeoglobales. These organisms are unique in that they are only distantly related to other bacterial sulfate reducers, and because they can grow at extremely high temperatures. The known Archaeoglobales are strict anaerobes, most of which are hyperthermophilic marine sulfate reducers found in hydrothermal environments. High-temperature sulfate reduction by Archaeoglobus species contributes to deep subsurface oil-well 'souring' by iron sulfide, which causes corrosion of iron and steel in oil-and gas-processing systems.
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General Information: Gram-negative, microaerophilic, flagellate, spiral bacterium, Campylobacter species are the leading cause of food-borne gastroenteritis in developed countries. Infection with C. jejuni is the most frequent antecedent to a form of neuromuscular paralysis known as Guillain-Barre syndrome (GBS). Strain ICDCCJ07001 was isolated following a GBS outbreak in Shuangyang, a town in northern China in 2007, from a severely affected 15 year-old girl GBS patient who had been on a ventilator for 180 days. Her clinical symptoms were motor axonal neuropathy. This organism is the leading cause of bacterial food poisoning (campylobacteriosis) in the world, and is more prevalent than Salmonella enteritis (salmonellosis). Found throughout nature, it can colonize the intestines of both mammals and birds, and transmission to humans occurs via contaminated food products. This organism can invade the epithelial layer by first attaching to epithelial cells, then penetrating through them. Systemic infections can also occur causing more severe illnesses.