Cloning and characterization of two new Class III peroxidase genes from Catharanthus roseus

► Cloning and characterization of two new peroxidases of Catharanthus roseus is reported. ► Both peroxidases CrPrx3 and CrPrx4 are down-regulated under salt and dehydration stress. ► qRT-PCR data indicate their differential expression pattern in tissue specific manner.