Pre_GI: SWBIT SVG BLASTN

Query: NC_009438:1282022 Shewanella putrefaciens CN-32 chromosome, complete genome

Lineage: Shewanella putrefaciens; Shewanella; Shewanellaceae; Alteromonadales; Proteobacteria; Bacteria

General Information: Shewanella putrefaciens is a Gram-negative bacterium. It has been isolated from marine environments, as well as from anaerobic sandstone in the Morrison formation in New Mexico, USA. S. putrefaciens is also a facultative anaerobe with the ability to reduce iron and manganese metabolically; that is, it can use iron and manganese as the terminal electron acceptor in the electron transport chain (in contrast to obligate aerobes which must use oxygen for this purpose). It is also one of the organisms associated with the odor of rotting fish, as it is a marine organism which produces trimethylamines (hence the species name putrefaciens, from putrid). This genus includes species that inhabit a wide range of environments and are capable of utilizing a wide variety of electron acceptors during anaerobic respiration including some insoluble metal oxides while using very few carbon sources such as lactate or acetate. This group of organisms have been studied extensively for their electron transport systems. This species, along with Shewanella algae, are the only Shewanella spp. to be found in clinical speciments. Normally found in marine environments in warmer temperatures, infections seem to occur more frequently in countries with a warm climate and in other countries during warm summer months.

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BLASTN Alignment.txt

Subject: NC_003197:2720726 Salmonella typhimurium LT2, complete genome

Lineage: Salmonella enterica; Salmonella; Enterobacteriaceae; Enterobacteriales; Proteobacteria; Bacteria

General Information: Causes enteric infections. This group of Enterobactericiae have pathogenic characteristics and are one of the most common causes of enteric infections (food poisoning) worldwide. They were named after the scientist Dr. Daniel Salmon who isolated the first organism, Salmonella choleraesuis, from the intestine of a pig. The presence of several pathogenicity islands (PAIs) that encode various virulence factors allows Salmonella spp. to colonize and infect host organisms. There are two important PAIs, Salmonella pathogenicity island 1 and 2 (SPI-1 and SPI-2) that encode two different type III secretion systems for the delivery of effector molecules into the host cell that result in internalization of the bacteria which then leads to systemic spread.