Corn, the world's third largest grain, has many USES, and demand is growing. How to improve the yield of maize is becoming a research focus, and the final yield of maize is closely related to the grain traits, so it is essential to carry out the functional identification and molecular mechanism analysis of BHLH transcription factor abp7-like in maize leaf and grain development. The purpose of this paper is to solve the problem of how to improve maize yield by analyzing and studying in detail the factors related to leaf and grain development. Based on the original study of BHLH transcription factor ABP7, the function identification and molecular mechanism analysis of a homologous gene abp7-like in maize leaf and grain development were discussed. Through sequence comparison with other known BHLH transcription factors and surface analysis of three constructed transgenic maize crops, the important role of BHLH transcription factor abp7-like in the development of maize leaves and embryos and its influencing principle were systematically discussed. The results showed that BHLH transcription factor abp7-like is a g-box binding transcription activator of BHLH, which plays an important role in the development of maize and embryo. In addition, the leaf and embryo development of the three transgenic corn crops constructed according to this method was significantly better than that of the ordinary corn crops. The experimental results showed that the yield of the transgenic corn crops was 25% higher than that of the ordinary corn crops.

Patimah Sprtuk. Functional Identification and Molecular Mechanism Analysis of BHLH Transcription Factor ABP7-like in Maize Leaf and Grain Development. Academic Journal of Agricultural Sciences (2021), Vol. 2, Issue 3: 1-13. https://doi.org/10.38007/AJAS.2021.020301.

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