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Related Experiment Video

Updated: Jan 25, 2026

Genome-wide Determination of Mammalian Replication Timing by DNA Content Measurement

Genome-wide Determination of Mammalian Replication Timing by DNA Content Measurement

Published on: January 19, 2017

Genome-wide association analysis for fumonisin content in maize kernels.

L F Samayoa^1,2, A Cao^1,3,4, R Santiago^3,4

¹Misión Biológica de Galicia (MBG - CSIC), Box 28, 36080, Pontevedra, Spain.

BMC Plant Biology

|April 29, 2019

Summary

Maize breeding can reduce fumonisin contamination using marker-assisted selection. This study identified 39 SNPs linked to resistance, aiding in developing healthier crops and safer food products.

Keywords:

Candidate gene Fumonisin Fusarium verticillioides Genome-wide association study Maize Resistance

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Last Updated: Jan 25, 2026

Genome-wide Determination of Mammalian Replication Timing by DNA Content Measurement

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Published on: May 17, 2014

Area of Science:

Agricultural Science
Genetics
Plant Pathology

Background:

Plant breeding is a key strategy for controlling fungal infections and reducing fumonisin accumulation in crops.
Complex genetic factors can hinder conventional breeding for fumonisin resistance.
Marker-assisted selection offers an efficient alternative for breeding resistant maize varieties.

Purpose of the Study:

To conduct a high-resolution Genome-Wide Association Study (GWAS) for identifying quantitative trait loci (QTL) associated with fumonisin accumulation resistance in maize kernels.
To complement existing GWAS data on Fusarium ear rot resistance.

Main Methods:

Genome-Wide Association Study (GWAS) was performed on maize kernels.
Analysis focused on identifying single nucleotide polymorphisms (SNPs) associated with resistance to fumonisin accumulation.
Results were compared with published GWAS data for Fusarium ear rot.

Main Results:

Thirty-nine significant SNPs associated with fumonisin accumulation resistance were identified.
These SNPs were clustered into 17 QTL, including novel QTLs in bins 3.02, 5.02, 7.05, and 8.07.
Genes with potential roles in pathogen resistance were highlighted.

Conclusions:

Breeding strategies can target favorable variants in maize immune response genes.
This approach can reduce kernel fumonisin contamination.
It aims to minimize interference with the beneficial endophytic interactions of Fusarium verticillioides.