Volume 9, Number 11—November 2003
Dispatch
Shigella dysenteriae Serotype 1, Kolkata, India
Table 2
Virulence gene profiles of provisional serovars of Shigella spp. isolated from Kolkata, India
Serial no. | New serovars Shigella spp. (n) | Mo and y of isolation | Detection of virulence genes by PCRa |
||||
---|---|---|---|---|---|---|---|
IpaH | ial | set | sen | stx1 | |||
1. 2. 3. 4. 5. 6. 7. | S. dysenteriae 204/96 S. boydii E16553 S. dysenteriae 93-119 S. dysenteriae 204/96 S. dysenteriae E-23507 S. dysenteriae I-9809-93 S. dysenteriae 204/96 | May 2000 June 2000 Oct 2000 Aug 2001 Aug 2001 Dec 2001 Mar 2002 | + + + + + + + | + + + + + + + | - - - - - - - | + + + + + - + | - - - - - - - |
aPCR, polymerase chain reaction; +, positive; -, negative