GCAT genesT A C G GCAT Article Transgenic Tobacco Expressing the TAT-Helicokinin I-CpTI Fusion Protein Show Increased Resistance and Toxicity to Helicoverpa armigera (Lepidoptera: Noctuidae) Zhou Zhou 1,2,†, Yongli Li 2,†, Chunyan Yuan 2, Yongan Zhang 1 and Liangjian Qu 1,* 1 Key ...