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Fungus Derived Indole-3-Acetic Acid Controls Developmental Conidial Death in Magnaporthe oryzae.

Molecular plant pathology - 1 Apr 2026

Ma Yuming, Liu Qiao, Shen Qing, Long Ruhui, Xie Xiaofang, Dong Lihong, Liang Zhibin, Deng Yi Zhen

Abstract excerpt

Ferroptotic death of the developing conidia is important for pathogenicity of the blast fungus Magnaporthe oryzae, yet its regulatory mechanism is not fully elucidated in fungal cell. In this study, we found that elevated indole-3-acetic acid (IAA) promoted iron and lipid peroxide accumulation, leading to a higher degree of ferroptotic death of conidia. By characterising the IAA biosynthesis mutant, tam1Δ, we...

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Identifiers

PMID: 41905895
DOI: 10.1111/mpp.70252
PMCID: PMC13140203

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