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Cry Genes B.thuringiensis and their Proteins and Target Insects -

Gene Protein (mol.mass) Bacterial strain Target Remarks
cryIA(a) 133.2 HD-1 Lepidoptera 1. All Cryl proteins have a distinct insecticidal spectrum
cryIA(b) 131.0 Berliner 1715 Lepidoptera 2. Most cry genes are situated on large conjugative plasmids
cryIA(c) 133.3 HD-73 Lepidoptera  
cryIB 138.0 HD-2 Lepidoptera  
cryIC 134.8 HD-110 Lepidoptera  
cryID 132.5 HD-68 Lepidoptera  
cryIE 132.5 HD146 Lepidoptera  
cryIIA 70.9 HD-263 Lepidoptera and Diptera  
cryIIB* 70.8 HD-1 Diptera  
cryIIIA 73.1 tenebrionis Coleoptera  
cryIIIB 74.2 tolworthi Coleoptera  
cryIIIC 129.4 gallariae Coleoptera  
cryIVA 134.4 israelensis Diptera  
cryIVB 127.8 israelensis Diptera  
cryIVC 77.8 israelensis Diptera  
cryIVD 72.4 israelensis Diptera  
cytA** 27.4 israelensis --