Characteristics of the Infection of Tilletia Laevis Kühn (syn. Tilletia Foetida (Wallr.) Liro.) in Compatible Wheat

Overview

Journal Plant Pathol J

Date 2021 Nov 30

PMID 34847630

Citations 1

Authors

Zhaoyu Ren

Wei Zhang

Mengke Wang

Haifeng Gao

Huimin Shen

Chunping Wang

Taiguo Liu

Wanquan Chen

Li Gao

Affiliations

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Abstract

Tilletia laevis Kühn (syn. Tilletia foetida (Wallr.) Liro.) causes wheat common bunt, which is one of the most devastating plant diseases in the world. Common bunt can result in a reduction of 80% or even a total loss of wheat production. In this study, the characteristics of T. laevis infection in compatible wheat plants were defined based on the combination of scanning electron microscopy, transmission electron microscopy and laser scanning confocal microscopy. We found T. laevis could lead to the abnormal growth of wheat tissues and cells, such as leakage of chloroplasts, deformities, disordered arrangements of mesophyll cells and also thickening of the cell wall of mesophyll cells in leaf tissue. What's more, T. laevis teliospores were found in the roots, stems, flag leaves, and glumes of infected wheat plants instead of just in the ovaries, as previously reported. The abnormal characteristics caused by T. laevis may be used for early detection of this pathogen instead of molecular markers in addition to providing theoretical insights into T. laevis and wheat interactions for breeding of common bunt resistance.

Citing Articles

ITRAQ-Based Proteomic Analysis of Wheat () Spikes in Response to Kühn and Kühn Infection, Causal Organisms of Dwarf Bunt and Common Bunt of Wheat.

He T, Xu T, Muhae-Ud-Din G, Guo Q, Liu T, Chen W Biology (Basel). 2022; 11(6).

PMID: 35741386 PMC: 9220156. DOI: 10.3390/biology11060865.

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