Table 1. The main Trypanosoma cruzi strains used in this study.

Strain	DTU a	Zymodeme b	Isoenzyme type c	1999 nomenclature d	New nomenclature e
SO34 cl4	I	Z1	20	Tc I	TcI
SC13	I	Z1	?	Tc I	TcI
EP 255	IIa	Z3	nd(27)	Tc II	TcIV
CBB cl3	IIb	Z2	32	Tc II	TcII
M6241 cl6	IIc	Z2	35	Tc II	TcIII
SO3 cl5	IId	Z2	39	Tc II	TcV
CL Brener (CL F11F5)	IIe	Z2	43	Tc II	TcVI

^aDiscrete typing unit (DTU) [8];

^b [4];

^c [6];

^d [30];

^e [32].