Genetic variation assessment of stacked-trait transgenic maize via conventional breeding.

ABSTRACT:

Background

The safety assessment and control of stacked transgenic crops is increasingly important due to continuous crop development and is urgently needed in China. The genetic stability of foreign genes and unintended effects are the primary problems encountered in safety assessment. Omics techniques are useful for addressing these problems. The stacked transgenic maize variety 12-5 × IE034, which has insect-resistant and glyphosate-tolerant traits, was developed via a breeding stack using 12-5 and IE034 as parents. Using 12-5 × IE034, its parents (12-5 and IE034), and different maize varieties as materials, we performed proteomic profiling, molecular characterization and a genetic stability analysis.

Results

Our results showed that the copy number of foreign genes in 12-

SUBMITTER: Wang X 

PROVIDER: S-EPMC6686426 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature