True about shigella dysenteriae Type-I: (A) Can lead to haemolytic uraemic syndrome, (B) Commonest cause of dysentery, (C) Produce exotoxin which cause invasive gastroenteritis, (D) Lactose fermentation present
Answer is A. (A) Can lead to haemolytic uraemic syndrome # Shigella dysenteriae type-l has several unique features, that contrast it with other members of this family> Catalase is produced by all except Sh. dysenteriae Type-l (Catalase -ve)> Mannitol is fermented by all except Sh. dysentriae Type-l (Mannitol non-fermenter)> It produces a powerful exotoxin, and is an e.g. is an e.g. of an exotoxin produced by Gram -ve bacillus.> It produces the most severe from of bacillary dysentery> It is also the most common cause for HUS in India (although it is a rare complication)