Characteristics of the Infection of Tilletia laevis Kuhn (syn. Tilletia foetida (Wallr.) Liro.) in Compatible Wheat

文献类型： 外文期刊

第一作者： Ren, Zhaoyu

作者： Ren, Zhaoyu;Zhang, Wei;Wang, Mengke;Shen, Huimin;Liu, Taiguo;Chen, Wanquan;Gao, Li;Zhang, Wei;Wang, Mengke;Wang, Chunping;Gao, Haifeng

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关键词： electron microscopy; Tilletia laevis Kuhn; transmission; wheat common bunt

期刊名称：PLANT PATHOLOGY JOURNAL （ 影响因子：1.795； 五年影响因子：2.314 ）

ISSN： 1598-2254

年卷期： 2021 年 37 卷 5 期

页码：

收录情况： SCI

摘要： Tilletia laevis Kuhn (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.

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