Pre_GI Gene

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Host: NC_003366 NEIGHBOURS BLASTN Download Island sequence Download Island gene sequence(s)

NC_003366:2266757 Clostridium perfringens str. 13, complete genome

Host Lineage: Clostridium perfringens; Clostridium; Clostridiaceae; Clostridiales; Firmicutes; Bacteria

General Information: This strain is a type A isolate from the soil. It can establish gas gangrene in a murine experimental model. Causative agent of gas gangrene. This genus comprises about 150 metabolically diverse species of anaerobes that are ubiquitous in virtually all anoxic habitats where organic compounds are present, including soils, aquatic sediments and the intestinal tracts of animals and humans. This shape is attributed to the presence of endospores that develop under conditions unfavorable for vegetative growth and distend single cells terminally or sub-terminally. Spores germinate under conditions favorable for vegetative growth, such as anaerobiosis and presence of organic substrates. It is believed that present day Mollicutes (Eubacteria) have evolved regressively (i.e., by genome reduction) from gram-positive clostridia-like ancestors with a low GC content in DNA. This organism is a causative agent of a wide spectrum of necrotic enterotoxicoses. It also causes such animal diseases as lamb dysentery, ovine enterotoxemia (struck), pulpy kidney disease in lambs and other enterotoxemias in lambs and calves. It is commonly found in the environment (soil, sewage) and in the animal and human gastrointestinal tract as a member of the normal microflora. It is a fast growing (generation time 8-10 min) anaerobic flesh-eater. Active fermentative growth is accompanied by profuse generation of molecular hydrogen and carbon dioxide. It is also oxygen tolerant which makes it an easy object to work with in laboratories. Known isolates belong to five distinct types (A, B, C, D, and E) that are distinguished based on the specific extracellular toxins they produce. Known isolates belong to five distinct types (A, B, C, D, and E) that are distinguished based on the specific extracellular toxins they produce. All types produce the alpha toxin (phospholipase C). Type A strains that cause gas gangrene produce alpha toxin, theta (hemolysin), kappa (collagenase), mu (hyaluronidase), nu (DNAse) and neuraminidase which are all the enzymatic factors aiding the bacterium in invading and destruction of the host tissues. Type C strains produce alpha toxin, beta toxin and prefringolysin enteritis. In addition to alpha toxin, Type B strains produce beta toxin, types B and D produce the pore forming epsilon toxin and type E strains produce iota toxin.


StartEndLengthCDS descriptionQuickGO ontologyBLASTP
22667572267575819hypothetical proteinBLASTP
22676872268064378hypothetical proteinBLASTP
22680572268767711hypothetical proteinBLASTP
22688642269319456hypothetical proteinBLASTP
226953222716942163DNA topoisomerase III-like proteinQuickGO ontologyBLASTP
227193422730911158hypothetical proteinBLASTP
22732542273760507hypothetical proteinBLASTP
227379722758332037two-component sensor histidine kinaseQuickGO ontologyBLASTP
227582322777091887two-component sensor histidine kinaseQuickGO ontologyBLASTP
22778302278765936hypothetical proteinBLASTP
22788862279806921hypothetical proteinBLASTP
22799292280525597probable serinethreonine protein kinaseQuickGO ontologyBLASTP
2280669228075183BLASTP
228081122819411131hypothetical proteinBLASTP
22819782282523546hypothetical proteinBLASTP
22825332283132600dephospho-CoA kinaseQuickGO ontologyBLASTP
228314922857492601DNA polymerase IQuickGO ontologyBLASTP