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Figure 4 | BMC Biology

Figure 4

From: Recombination and insertion events involving the botulinum neurotoxin complex genes in Clostridium botulinum types A, B, E and F and Clostridium butyricumtype E strains

Figure 4

Relative locations of the different bonts within the chromosome or plasmid. Three operons (designated arsC, oppA/brnQ and rarA) within the chromosome of the ATCC 3502 or Beluga strain show where the various bonts are located within the different strains. The bont/a1 of the A1(B) strain, bont/a2 of the Kyoto-F and the bont/f of the Langeland strain are located within the arsC operon. The bont/(b) within the A1(B) strain and the bont/a1 within the Hall strain is located within the oppA/brnQ operon. The rarA operon contains the bont/e complex within the Beluga, Alaska E43 or C. butyricum BL 5262 strains. The relative locations of the bonts in the Group I plasmids are indicated in pCLJ. One site contains either the bont/a3 in the Loch Maree strain, the bont/a4 in the bivalent 657 or the bont/f in the Bf strain. Another site contains either the bont/b1 in the Okra strain, the bont/bv b in 657 or bont/bv b in the Bf strain. The bont/np b location within pCLL within the Eklund 17B strain is indicated. This figure shows the common sites of the bonts in different strains providing evidence that the bonts are not randomly located within the chromosome or plasmid.

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BMC Biology

ISSN: 1741-7007

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