TABLE 1.

Nomenclature of members of the Shiga toxin family, as proposed by Calderwood et al. (54)^a

Previous nomenclature	Proposed new nomenclature
	Gene	Protein
Shiga toxin (Stx)	stx	Stx
Shiga-like toxin I (SLT-I) or verotoxin 1 (VT1)	stx1	Stx1
SLT-II or VT2	stx2	Stx2
SLT-IIc or VT2c	stx2c	Stx2c
SLT-IIe or VT2e	stx2e	Stx2e

^aReprinted from reference 54 with permission of the publisher.