Yongjing Xi, Zhou Yang, Yukun Jin, Jing Qu, Shuyan Guan, Siyan Liu, Piwu Wang^*

Phyton-International Journal of Experimental Botany, Vol.92, No.4, pp. 1257-1274, 2023, DOI:10.32604/phyton.2023.025918

Abstract PCR detection, quantitative real-time PCR (q-RTPCR), outdoor insect resistance, and disease resistance identification were carried out for the detection of genetic stability and disease resistance through generations (T₂, T₃, and T₄) in transgenic maize germplasms (S3002 and 349) containing the bivalent genes (insect resistance gene Cry1Ab13-1 and disease resistance gene NPR1) and their corresponding wild type. Results indicated that the target genes Cry1Ab13-1 and NPR1 were successfully transferred into both germplasms through tested generations; q-PCR confirmed the expression of Cry1Ab13-1 and NPR1 genes in roots, stems, and leaves of tested maize plants. In addition, S3002 and 349 bivalent gene-transformed lines… More >

Huimin Cui, Shuo Qu, Abraham Lamboro, Yaolei Jiao, Piwu Wang^*

Phyton-International Journal of Experimental Botany, Vol.91, No.7, pp. 1445-1464, 2022, DOI:10.32604/phyton.2022.020010

Abstract In agricultural production, a single insect-resistant and disease-resistant variety can no longer meet the demand. In this study, the expression vector pCAMBIA-3301-PR1 containing the disease-resistant gene PR1 was constructed by means of genetic engineering, and the PR1 gene was genetically transformed to contain the PR1 gene through the pollen tube method. In CryAb-8Like transgenic high-generation T₇ receptor soybean, a new material that is resistant to insects and diseases is obtained. For T₂ transformed plants, routine PCR detection, Southern Blot hybridization, fluorescence quantitative PCR detection, indoor and outdoor pest resistance identification and indoor disease resistance identification were performed. The results showed… More >