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Updated: May 11, 2026

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Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes
Published on: February 14, 2020
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Enhanced pan-genomic resources at the maize genetics and genomics database
Ethalinda K Cannon1, John L Portwood1, Rita K Hayford1
1USDA-ARS, Corn Insects and Crop Genetics Research Unit, Ames, IA 50011, USA.
Genetics
|April 5, 2024
Summary
Pan-genomes offer a comprehensive view of genetic diversity in species like maize (Zea mays). MaizeGDB now features a pan-gene data center with visualization tools to explore this complex genetic data.
Area of Science:
- Genomics
- Bioinformatics
- Plant Science
Background:
- Pan-genomes, representing the complete set of genes in a species, are crucial for understanding genetic diversity.
- Maize (Zea mays) possesses a highly diverse and complex genome, making single reference genomes insufficient for comprehensive study.
- Integrating extensive gene data with pan-genomic information presents significant challenges.
Purpose of the Study:
- To describe the expansion of MaizeGDB to include the genic subset of the Zea pan-genome.
- To introduce a new pan-gene data center for exploring maize and teosinte genomes.
- To provide researchers with tools for analyzing complex pan-genomic data.
Main Methods:
- Incorporation of the genic subset of the Zea pan-genome into MaizeGDB.
- Integration of maize genomes hosted at MaizeGDB and Zea genomes from the Pan-Andropoganeae project.
- Development of browsing and visualization tools, including sequence alignment and gene trees, powered by the Pandagma pipeline.
Main Results:
- A new pan-gene data center is now available at MaizeGDB.
- The data center hosts maize and teosinte genomes, featuring a genic pan-genome subset.
- Enhanced visualization and browsing tools facilitate the exploration of pan-genes.
Conclusions:
- The expanded MaizeGDB facilitates the study of Zea complexity and diversity.
- Comparative functions enable validation of pan-gene relationships.
- This resource supports advanced research into maize genetics and evolution.
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