targeting groEL (chaperonin) (gro1 and gro2) of Burkholderia genus, mprA (serine metalloprotease) (mpr1 and mpr2) gene of B. pseudomallei and zmpA (zinc metalloprotease) (zmp1 and zmp2) gene of B. cepacia, respectively (Table 1, Patent Ref: PI 20083144)