<prompt> True about shigella dysenteriae Type-ICan lead to haemolytic uraemic syndromeCommonest cause of dysenteryProduce exotoxin which cause invasive gastroenteritisLactose fermentation present  <response>: 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 