Pre_GI: BLASTP Hits

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Query: NC_010674:1986000:1988383 Clostridium botulinum B str. Eklund 17B, complete genome

Start: 1988383, End: 1989168, Length: 786

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

General Information: Clostridium botulinum B str. Eklund 17B is a nonproteolytic botulism neurotoxin B strain. This strain was isolated from marine sediments taken off the coast of Washington, USA and was not associated with botulism. 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 produces one of the most potent and deadly neurotoxins known, a botulinum toxin that prevents the release of acetylcholine at the neuromuscular junction, thereby inhibiting muscle contraction and causing paralysis. In most cases the diseased person dies of asphyxiation as a result of paralysis of chest muscles involved in breathing. The spores are heat-resistant and can survive in inadequately heated, prepared, or processed foods. Spores germinate under favorable conditions (anaerobiosis and substrate-rich environment) and bacteria start propagating very rapidly, producing the toxin.Botulinum toxin, and C. botulinum cells, has been found in a wide variety of foods, including canned ones. Almost any food that has a high pH (above 4.6) can support growth of the bacterium. Honey is the most common vehicle for infection in infants. Food poisoning through C. botulinum is the most frequent type of infection caused by this bacterium. The wound botulism that occurs when C. botulinum infects an individual via an open wound is much rarer and is very similar to tetanus disease. There are several types of botulinum toxin known (type A through type F), all of them being neurotoxic polypeptides. The most common and widely distributed are strains and serovars of C. botulinum that produce type A toxin.




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SubjectStartEndLengthSubject Host DescriptionCDS descriptionE-valueBit score
NC_010674:2817651:2823808282380828249891182Clostridium botulinum B str. Eklund 17B, complete genomecell adhesion domain-containing protein2e-26119
NC_009617:3926843:3933223393322339346501428Clostridium beijerinckii NCIMB 8052 chromosome, complete genomehypothetical protein6e-1684.7
NC_016641:4151403:416191341619134162734822Paenibacillus terrae HPL-003 chromosome, complete genomehypothetical protein5e-1375.1
NC_020291:795500:8305858305858318051221Clostridium saccharoperbutylacetonicum N1-4(HMT), complete genomehypothetical protein2e-1273.2
NC_010674:2817651:2822701282270128237621062Clostridium botulinum B str. Eklund 17B, complete genomecell adhesion domain-containing protein2e-1273.2
NC_012658:2525931:2526196252619625272841089Clostridium botulinum Ba4 str. 657 chromosome, complete genomeIg group 2 domain-containing protein2e-1169.7
NC_012491:648756:6555196555196581252607Brevibacillus brevis NBRC 100599, complete genomehypothetical protein4e-0858.5
NC_012491:4987280:499732749973274998187861Brevibacillus brevis NBRC 100599, complete genomehypothetical protein1e-0757