ArticlePlant communications2025
An InDel insertion in the promoter of a UDP-ᴅ-glucuronate 4-epimerase 1 gene enhances maize resistance to Fusarium ear rot.
Article in Plant communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Fine mapping and candidate genes analysis for flesh thickness major locusHorticulture research · 2026Article
- Linkage Mapping Study Reveals Conservative QTL and Candidate Genes forPlants (Basel, Switzerland) · 2026Article
- Achieving High-Density and Stress-Resilient Maize Breeding Via Germplasm Innovation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- A new plant SUMO ligase, MPEL1, synergizes with MAPK16 to regulate resistance against Fusarium pathogens.The EMBO journal · 2026Article
- Integrating BSA-Seq and RNA-Seq to Identify Major QTLs and Candidate Genes Conferring Resistance to Fusarium Ear Rot in Maize.Plants (Basel, Switzerland) · 2026Article
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Authors and funding
19 authors.
Funding
Abstract
Fusarium ear rot (FER), caused by Fusarium verticillioides, results in substantial yield losses and poses a significant threat to maize production worldwide. However, the genetic basis of FER resistance remains poorly understood. Utilizing QTL-seq and association analysis, we identified a gene encoding UDP-ᴅ-glucuronate 4-epimerase 1 (ZmGAE1). A 141-base pair insertion was revealed as the natural functional variation in the promoter of ZmGAE1, which decreases its expression and enhances resistance to FER. Functional validation confirmed that ZmGAE1 acts as a negative regulator of maize resistance to FER. Notably, reduced ZmGAE1 accumulation not only improved FER resistance but also lowered fumonisin content. This effect was attributed to increased cell density within the down-placenta chalaza region, accompanied by the accumulation of galacturonic acid and pectin. Crucially, lines lacking ZmGAE1 exhibited no adverse effects on key agronomic traits and showed resistance to multiple diseases, including maize stalk rot, southern leaf blight, and seed rot. These findings highlight ZmGAE1 as a promising candidate for improving FER resistance in maize, offering a novel approach for crop protection and sustainable agriculture.
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