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Related Experiment Video

Updated: Feb 7, 2026

Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

Published on: February 14, 2020

Maize domestication and gene interaction.

Michelle C Stitzer^1,2, Jeffrey Ross-Ibarra^1,2,3

¹Department of Plant Sciences, University of California, Davis, Davis, CA, 95616, USA.

The New Phytologist

|July 24, 2018

Summary

This summary is machine-generated.

Maize domestication involved complex genetic interactions beyond just a few genes. These interactions, including epistasis and pleiotropy, shaped the evolution from wild teosinte to modern maize.

Keywords:

domestication dominance epistasis gene interaction maize pleiotropy teosinte

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Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

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Area of Science:

* Evolutionary genetics
* Plant biology
* Agricultural science

Background:

* Domestication provides a model for studying evolutionary adaptation under human selection.
* Maize (Zea mays) domestication transformed wild teosinte into a vital crop.
* Previous studies identified key genes for major morphological changes.

Purpose of the Study:

* To review the role of gene interactions in maize domestication.
* To explore how genetic background influences adaptation.
* To understand the impact of gene networks on phenotypic evolution.

Main Methods:

* Review of morphological, genetic, and genomic studies on maize domestication.
* Analysis of genetic dissection pinpointing molecular changes.
* Examination of gene interactions like dominance, epistasis, and pleiotropy.

Main Results:

* Maize domestication involved more than five genes, with numerous genomic regions contributing.
* Phenotypic evolution is contingent on genetic background and allele interactions.
* Gene networks reveal complex connections among domestication alleles.

Conclusions:

* Gene interactions are crucial for the dramatic phenotypic changes observed during maize domestication.
* Understanding these interactions provides insights into evolutionary processes and selection pressures.
* Further research into gene networks can illuminate crop improvement strategies.