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Pathogens
Volume 12
Issue 6
10.3390/pathogens12060779
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Communication

Multi-Trait Genome-Wide Association Studies of Sorghum bicolor Regarding Resistance to Anthracnose, Downy Mildew, Grain Mold and Head Smut

by
Ezekiel Ahn
1,
Louis K. Prom
2 and
Clint Magill
3,*
1
USDA-ARS Plant Science Research Unit, St. Paul, MN 55108, USA
2
USDA-ARS Southern Plains Agricultural Research Center, College Station, TX 77845, USA
3
Department of Plant Pathology and Microbiology, Texas A&M University, College Station, TX 77843, USA
*
Author to whom correspondence should be addressed.
Pathogens 2023, 12(6), 779; https://doi.org/10.3390/pathogens12060779
Submission received: 21 April 2023 / Revised: 18 May 2023 / Accepted: 29 May 2023 / Published: 30 May 2023
(This article belongs to the Special Issue Fungal Pathogens of Crops)
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Abstract

Multivariate linear mixed models (mvLMMs) are widely applied for genome-wide association studies (GWAS) to detect genetic variants affecting multiple traits with correlations and/or different plant growth stages. Subsets of multiple sorghum populations, including the Sorghum Association Panel (SAP), the Sorghum Mini Core Collection and the Senegalese sorghum population, have been screened against various sorghum diseases such as anthracnose, downy mildew, grain mold and head smut. Still, these studies were generally performed in a univariate framework. In this study, we performed GWAS based on the principal components of defense-related multi-traits against the fungal diseases, identifying new potential SNPs (S04_51771351, S02_66200847, S09_47938177, S08_7370058, S03_72625166, S07_17951013, S04_66666642 and S08_51886715) associated with sorghum’s defense against these diseases.
Keywords: Sorghum bicolor; fungal pathogens; multivariate GWAS; principal component analysis Sorghum bicolor; fungal pathogens; multivariate GWAS; principal component analysis

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MDPI and ACS Style

Ahn, E.; Prom, L.K.; Magill, C. Multi-Trait Genome-Wide Association Studies of Sorghum bicolor Regarding Resistance to Anthracnose, Downy Mildew, Grain Mold and Head Smut. Pathogens 2023, 12, 779. https://doi.org/10.3390/pathogens12060779

AMA Style

Ahn E, Prom LK, Magill C. Multi-Trait Genome-Wide Association Studies of Sorghum bicolor Regarding Resistance to Anthracnose, Downy Mildew, Grain Mold and Head Smut. Pathogens. 2023; 12(6):779. https://doi.org/10.3390/pathogens12060779

Chicago/Turabian Style

Ahn, Ezekiel, Louis K. Prom, and Clint Magill. 2023. "Multi-Trait Genome-Wide Association Studies of Sorghum bicolor Regarding Resistance to Anthracnose, Downy Mildew, Grain Mold and Head Smut" Pathogens 12, no. 6: 779. https://doi.org/10.3390/pathogens12060779

APA Style

Ahn, E., Prom, L. K., & Magill, C. (2023). Multi-Trait Genome-Wide Association Studies of Sorghum bicolor Regarding Resistance to Anthracnose, Downy Mildew, Grain Mold and Head Smut. Pathogens, 12(6), 779. https://doi.org/10.3390/pathogens12060779

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