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Related Experiment Video

Updated: Jan 9, 2026

An Easy and Flexible Inoculation Method for Accurately Assessing Powdery Mildew-Infection Phenotypes of Arabidopsis and Other Plants

An Easy and Flexible Inoculation Method for Accurately Assessing Powdery Mildew-Infection Phenotypes of Arabidopsis and Other Plants

Published on: March 9, 2021

FaMYB63 and FvWYRKY75 Activate FvPR10.14 Boosting Strawberry Immunity Against Powdery Mildew.

Rongyi Jiang¹, Tao Tao¹, Xingbin Xie¹

¹School of Horticulture, Anhui Agricultural University, Hefei, China.

Molecular Plant Pathology

|December 9, 2025

Summary

Scientists identified a key gene module, FaMYB63/FvWRKY75-PR10.14, that enhances strawberry resistance to powdery mildew. This discovery offers a potential alternative to chemical fungicides for sustainable crop protection.

Keywords:

PR10 gene powdery mildew strawberry transcription factor

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An Easy and Flexible Inoculation Method for Accurately Assessing Powdery Mildew-Infection Phenotypes of Arabidopsis and Other Plants

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Published on: March 9, 2021

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Microfluidic Tools for Probing Fungal-Microbial Interactions at the Cellular Level

Microfluidic Tools for Probing Fungal-Microbial Interactions at the Cellular Level

Published on: June 23, 2022

Area of Science:

Plant Pathology
Molecular Biology
Plant Breeding

Background:

Powdery mildew significantly impacts strawberry yield, with chemical controls posing environmental and food safety risks.
Developing resistant strawberry cultivars is crucial for sustainable agriculture.

Purpose of the Study:

To identify and characterize the molecular mechanisms underlying enhanced powdery mildew resistance in strawberry.
To explore the role of the FaMYB63/FvWRKY75-PR10.14 regulatory module in plant defense.

Main Methods:

Gene expression analysis (silencing and overexpression) in transgenic strawberry (Fragaria vesca).
Hormone level quantification (salicylic acid).
Biochemical assays (yeast one-hybrid, electrophoretic mobility shift assay, GUS, luciferase) to confirm protein-DNA interactions.
Pathogen assays (Podosphaera aphanis spore germination).

Main Results:

FaMYB63 transcription factor is induced by P. aphanis and regulates PR10.14 expression, conferring resistance.
PR10.14 directly inhibits P. aphanis and is involved in hypersensitive response via ROS.
FaMYB63 and FvWRKY75 bind to the PR10.14 promoter, activating its transcription.
PR10.14 expression is highest in ripening fruits, suggesting developmental stage-specific defense.

Conclusions:

The FaMYB63/FvWRKY75-PR10.14 module is a critical regulator of salicylic acid-dependent powdery mildew resistance in strawberries.
This regulatory module bridges hormone signaling and plant immunity.
Findings provide a molecular target for breeding disease-resistant strawberry cultivars, reducing reliance on fungicides.